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description Publicationkeyboard_double_arrow_right Article 1994 SwitzerlandBall, Jacques; Chesny, P.; Combet, M.; Fontaine, J.M.; Lac, C.D.; Sans, J.L.; Bystricky, J.; Lehar, F.; de Lesquen, A.; de Mali, M.; Kunne, F.; van Rossum, L.; Bach, Pierre; Demierre, Philippe; Gaillard, Gérald; Hess, Roger; Kunne, Ronald Alexander; Rapin, David; Sormani, Philippe Raymond; Goudour, J.P.; Binz, R.; Klett, A.; Peschina-Klett, R.; Rossle, E.; Schmitt, H.;We present a total of 191 and 203 data points of the elastic neutron-protonspin correlation parameters Aookk and Aoosk , respectively. Both observables were measured in a large angular interval. The observable Aookk was measured from 0.312 to 1.10 GeV and Aoosk from 0.80 to 1.10 GeV. The SATURNE II polarized beam of free neutrons obtained from the break-up of polarized deuterons was scattered on the polarized Saclay frozen-spin proton target. The beam polarization was oriented either along the beam direction or sideways, the target polarization was oriented longitudinally. Data are compared with phase-shift analyses predictions and with the PSI, LAMPF and SATURNE II results. Present results provide an important contribution to any future theoretical or phenomenological analysis.
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You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 1994 SwitzerlandBall, Jacques; Chesny, P.; Combet, M.; Fontaine, J.M.; Lac, C.D.; Sans, J.L.; Bystricky, J.; Lehar, F.; de Lesquen, A.; de Mali, M.; Kunne, F.; van Rossum, L.; Bach, Pierre; Demierre, Philippe; Gaillard, Gérald; Hess, Roger; Kunne, Ronald Alexander; Rapin, David; Sormani, Philippe Raymond; Goudour, J.P.; Binz, R.; Klett, A.; Peschina-Klett, R.; Rossle, E.; Schmitt, H.;We present a total of 191 and 203 data points of the elastic neutron-protonspin correlation parameters Aookk and Aoosk , respectively. Both observables were measured in a large angular interval. The observable Aookk was measured from 0.312 to 1.10 GeV and Aoosk from 0.80 to 1.10 GeV. The SATURNE II polarized beam of free neutrons obtained from the break-up of polarized deuterons was scattered on the polarized Saclay frozen-spin proton target. The beam polarization was oriented either along the beam direction or sideways, the target polarization was oriented longitudinally. Data are compared with phase-shift analyses predictions and with the PSI, LAMPF and SATURNE II results. Present results provide an important contribution to any future theoretical or phenomenological analysis.
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You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eu0 citations 0 popularity Average influence Average impulse Average Powered by BIP!
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Doctoral thesis , Thesis 2019Embargo end date: 01 Jan 2019 SwitzerlandPublisher:Université de Genève Authors: Pacheco Rodriguez; Maria Natalia;The Paris Agreement, in force since 2016, stipulates the new multilateral foundations for climate actions under the United Nations Convention on Climate Change. This Agreement incorporated Payment for Environmental Services (PES) and Markets for Environmental Services (MES) among its strategies to combat climate change. However, abundant literature has outlined economic, social and environmental equity concerns regarding the implementation of PES and MES under the Kyoto Protocol. How have these concerns been taken into account in the establishment of PES and MES in the Paris Agreement? How can equity considerations be comprehensively assessed in this regard? Through the triangulation of methodologies including literature review, participant observation and interviews with key informants, this thesis explains the consideration of equity in the newly established PES and MES in the Paris Agreement.
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You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.13097/archive-ouverte/unige:120356&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eu0 citations 0 popularity Average influence Average impulse Average Powered by BIP!
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You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.13097/archive-ouverte/unige:120356&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Doctoral thesis , Thesis 2019Embargo end date: 01 Jan 2019 SwitzerlandPublisher:Université de Genève Authors: Pacheco Rodriguez; Maria Natalia;The Paris Agreement, in force since 2016, stipulates the new multilateral foundations for climate actions under the United Nations Convention on Climate Change. This Agreement incorporated Payment for Environmental Services (PES) and Markets for Environmental Services (MES) among its strategies to combat climate change. However, abundant literature has outlined economic, social and environmental equity concerns regarding the implementation of PES and MES under the Kyoto Protocol. How have these concerns been taken into account in the establishment of PES and MES in the Paris Agreement? How can equity considerations be comprehensively assessed in this regard? Through the triangulation of methodologies including literature review, participant observation and interviews with key informants, this thesis explains the consideration of equity in the newly established PES and MES in the Paris Agreement.
add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.13097/archive-ouverte/unige:120356&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eu0 citations 0 popularity Average influence Average impulse Average Powered by BIP!
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You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Conference object 2013 SwitzerlandAuthors: Maertens, Lucile;Since the first studies by Ole Waever and the Copenhagen School, securitization theories have been criticized, revised and completed. Based on a specific empirical case study, this paper intends to do the same. Focused on the original case of environmental securitization within the United Nations (UN), this article aims to address the often-eluded question of the role of International Organizations in the securitization process. This example helps us to rethink securitization as well as politicization as discussed by securitization scholars and in environmental security studies. Contrary to the original definition of the Copenhagen School of depoliticization – understood as dedemocratisation –, this article argues that if, indeed, securitization can lead to depoliticization, the way we think depoliticization has to be revised. It can be an intentional strategic move by international securitizing actors to frame environment as an apolitical issue that requires a non-politicized scientific approach. Therefore, UN activities could reveal an attempt of a securitization without politicization, but not understood as a dedemocratisation.
add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=dedup_wf_002::d66b556a9fdec7ba1816c4bb241eb690&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eu0 citations 0 popularity Average influence Average impulse Average Powered by BIP!
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You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=dedup_wf_002::d66b556a9fdec7ba1816c4bb241eb690&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Conference object 2013 SwitzerlandAuthors: Maertens, Lucile;Since the first studies by Ole Waever and the Copenhagen School, securitization theories have been criticized, revised and completed. Based on a specific empirical case study, this paper intends to do the same. Focused on the original case of environmental securitization within the United Nations (UN), this article aims to address the often-eluded question of the role of International Organizations in the securitization process. This example helps us to rethink securitization as well as politicization as discussed by securitization scholars and in environmental security studies. Contrary to the original definition of the Copenhagen School of depoliticization – understood as dedemocratisation –, this article argues that if, indeed, securitization can lead to depoliticization, the way we think depoliticization has to be revised. It can be an intentional strategic move by international securitizing actors to frame environment as an apolitical issue that requires a non-politicized scientific approach. Therefore, UN activities could reveal an attempt of a securitization without politicization, but not understood as a dedemocratisation.
add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=dedup_wf_002::d66b556a9fdec7ba1816c4bb241eb690&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eu0 citations 0 popularity Average influence Average impulse Average Powered by BIP!
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You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=dedup_wf_002::d66b556a9fdec7ba1816c4bb241eb690&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Research , Report 2015 SwitzerlandPublisher:Leuphana Universität Lüneburg Authors: Brieger, Steven A.; Seidel, Jan; Strathoff, Pepe; Sundermann, Anna;handle: 20.500.14171/106986
This paper identifies three major gaps in the debate on sustainable management behavior. It explores, first, the relevance of a person's understanding of sustainability and, second, the importance and role he or she attributes to sustainability with regard to management issues (here referred to as "sustainability rationales") in order to explain preferences for specific management practices. Third, this paper considers the importance of socio-cultural contexts, which play a major role in determining value systems, as well as of the connection between individual values and management preferences for sustainability. Introducing a framework to explore all of these relations, this paper contributes to the emerging discourse on responsible leadership. Potential implications for further research are discussed.
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You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=dedup_wf_002::a2ce062797c28d5f0124a61489ded159&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eu0 citations 0 popularity Average influence Average impulse Average Powered by BIP!
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You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Research , Report 2015 SwitzerlandPublisher:Leuphana Universität Lüneburg Authors: Brieger, Steven A.; Seidel, Jan; Strathoff, Pepe; Sundermann, Anna;handle: 20.500.14171/106986
This paper identifies three major gaps in the debate on sustainable management behavior. It explores, first, the relevance of a person's understanding of sustainability and, second, the importance and role he or she attributes to sustainability with regard to management issues (here referred to as "sustainability rationales") in order to explain preferences for specific management practices. Third, this paper considers the importance of socio-cultural contexts, which play a major role in determining value systems, as well as of the connection between individual values and management preferences for sustainability. Introducing a framework to explore all of these relations, this paper contributes to the emerging discourse on responsible leadership. Potential implications for further research are discussed.
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You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=dedup_wf_002::a2ce062797c28d5f0124a61489ded159&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eu0 citations 0 popularity Average influence Average impulse Average Powered by BIP!
more_vert add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Conference object , Other literature type 2020Publisher:Zenodo Authors:Santti, Ulla;
Santti, Ulla
Santti, Ulla in OpenAIREHapponen, Ari;
Happonen, Ari
Happonen, Ari in OpenAIREAuvinen, Harri;
Räsänen, Teemu; +1 AuthorsAuvinen, Harri
Auvinen, Harri in OpenAIRESantti, Ulla;
Santti, Ulla
Santti, Ulla in OpenAIREHapponen, Ari;
Happonen, Ari
Happonen, Ari in OpenAIREAuvinen, Harri;
Räsänen, Teemu; Eskelinen, Tuomo;Auvinen, Harri
Auvinen, Harri in OpenAIREThis study is a follow-up on the the implementation of a business model, which was created in a co-creation process between two universities and an established SME specialized in monitoring municipal and industrial water distribution systems.. A shared collaboration sustainability innovation project between two universities and SME company on research, development and innovation context results was analyzed. A product was innovated for water systems monitoring service's needs and generated from two universities and SMEs shared RDI pilot. Authors elaborate findings for commercialization possibilities success factors and challenges for the co-creation concept. Evaluation criteria used are implementation feasibility and environmental & economical value. InTo tool is utilized for after commercialization phase to evaluate business model in this case study. Literature review focuses on collaboration enhanced sustainability innovations, which is used as comparison frame. Authors suggest efficient actions for collaborative innovation and hurdles to stay away for smooth environmental area innovation commercialization.
add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.5281/zenodo.4290135&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eu5 citations 5 popularity Top 10% influence Average impulse Average Powered by BIP!
visibility 6visibility views 6 Powered bymore_vert add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.5281/zenodo.4290135&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Conference object , Other literature type 2020Publisher:Zenodo Authors:Santti, Ulla;
Santti, Ulla
Santti, Ulla in OpenAIREHapponen, Ari;
Happonen, Ari
Happonen, Ari in OpenAIREAuvinen, Harri;
Räsänen, Teemu; +1 AuthorsAuvinen, Harri
Auvinen, Harri in OpenAIRESantti, Ulla;
Santti, Ulla
Santti, Ulla in OpenAIREHapponen, Ari;
Happonen, Ari
Happonen, Ari in OpenAIREAuvinen, Harri;
Räsänen, Teemu; Eskelinen, Tuomo;Auvinen, Harri
Auvinen, Harri in OpenAIREThis study is a follow-up on the the implementation of a business model, which was created in a co-creation process between two universities and an established SME specialized in monitoring municipal and industrial water distribution systems.. A shared collaboration sustainability innovation project between two universities and SME company on research, development and innovation context results was analyzed. A product was innovated for water systems monitoring service's needs and generated from two universities and SMEs shared RDI pilot. Authors elaborate findings for commercialization possibilities success factors and challenges for the co-creation concept. Evaluation criteria used are implementation feasibility and environmental & economical value. InTo tool is utilized for after commercialization phase to evaluate business model in this case study. Literature review focuses on collaboration enhanced sustainability innovations, which is used as comparison frame. Authors suggest efficient actions for collaborative innovation and hurdles to stay away for smooth environmental area innovation commercialization.
add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.5281/zenodo.4290135&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eu5 citations 5 popularity Top 10% influence Average impulse Average Powered by BIP!
visibility 6visibility views 6 Powered bymore_vert add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.5281/zenodo.4290135&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Doctoral thesis , Other literature type 2011 SwitzerlandPublisher:Lausanne, EPFL Authors: Steubing, Bernhard;This thesis addresses the availability and environmentally optimal use of bioenergy. A life cycle perspective is adopted to consider the supply, the technical conversion, and the final use of bioenergy as well as its use for the substitution of fossil energy. In order to determine the sustainable energetic biomass potential in Switzerland, which is the geographic focus of this thesis, a bioenergy potential assessment is conducted using a sustainability constraints approach. Life cycle assessment (LCA) is performed to analyse the suitability of the conversion of wood to synthetic natural gas (SNG). However, individual technology LCAs are not sufficient to provide answers to the question of "how energetically available biomass resources can be used optimally for bioenergy from an environmental perspective". Instead, more comprehensive trans-sectoral assessments are required including all relevant bioenergy technologies and end-uses, as well as fossil energy technologies that can be substituted. To enable such analyses, an LCA-based system optimization (LCA-SO) framework is developed and applied to the Swiss and European cases. Finally, also spatial aspects need to be considered to determine optimal plant sizes. Therefore, a spatially explicit bioenergy value chain model was developed for the case of SNG plants in Switzerland. One of the main findings of this thesis is that 82 PJ of biomass is available in Switzerland, which corresponds to approximately 7% of its primary energy demand. Half of this potential has yet to be realized. By 2035, when optimally used in the business as usual scenario defined by the Swiss Energy Perspectives, biomass could mitigate about 5 megatons of CO2, which would be equal to 13% of Switzerland's total emissions. Simultaneously, the demand of fossil energy for heat, electricity, and transportation would be reduced by 13%, 3%, and 2%, respectively. In the European Reference Scenario (2030) 9%, 13%, and 1%, respectively, of fossil heat, electricity, and transportation could be replaced and 600 Mt of CO2, equal to about 15% of the EU's total emissions, could be avoided. To achieve these goals, woody biomass should be used mainly for heating and combined heat and power (CHP) generation. The production of SNG from wood to substitute fossil energy has been found environmentally beneficial from the GHG, Ecological Scarcity, and Eco-indicator 99 perspectives. However, the production of transportation fuel from woody biomass is, at the current technological development state, associated with important efficiency losses and is therefore not considered an optimal solution. For non-woody biomass (by which we refer to agricultural residues, manure, bio- and food industry wastes, and sewage sludge) the optimal use is to a large degree determined by the substitution of fossil energy and varies according to the environmental indicator applied. For all biomass, it is vital that a high substitution efficiency is achieved, which implies an efficient conversion of biomass and the choice of optimal substitutions. Finally, the spatially explicit bioenergy modelling conducted in this work indicates that smaller bioenergy plant sizes are slightly preferable in terms of overall environmental benefits, mainly due to reduced transportation distances. However, further analyses would be required to generalise this finding.
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You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eu1 citations 1 popularity Average influence Average impulse Average Powered by BIP!
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Doctoral thesis , Other literature type 2011 SwitzerlandPublisher:Lausanne, EPFL Authors: Steubing, Bernhard;This thesis addresses the availability and environmentally optimal use of bioenergy. A life cycle perspective is adopted to consider the supply, the technical conversion, and the final use of bioenergy as well as its use for the substitution of fossil energy. In order to determine the sustainable energetic biomass potential in Switzerland, which is the geographic focus of this thesis, a bioenergy potential assessment is conducted using a sustainability constraints approach. Life cycle assessment (LCA) is performed to analyse the suitability of the conversion of wood to synthetic natural gas (SNG). However, individual technology LCAs are not sufficient to provide answers to the question of "how energetically available biomass resources can be used optimally for bioenergy from an environmental perspective". Instead, more comprehensive trans-sectoral assessments are required including all relevant bioenergy technologies and end-uses, as well as fossil energy technologies that can be substituted. To enable such analyses, an LCA-based system optimization (LCA-SO) framework is developed and applied to the Swiss and European cases. Finally, also spatial aspects need to be considered to determine optimal plant sizes. Therefore, a spatially explicit bioenergy value chain model was developed for the case of SNG plants in Switzerland. One of the main findings of this thesis is that 82 PJ of biomass is available in Switzerland, which corresponds to approximately 7% of its primary energy demand. Half of this potential has yet to be realized. By 2035, when optimally used in the business as usual scenario defined by the Swiss Energy Perspectives, biomass could mitigate about 5 megatons of CO2, which would be equal to 13% of Switzerland's total emissions. Simultaneously, the demand of fossil energy for heat, electricity, and transportation would be reduced by 13%, 3%, and 2%, respectively. In the European Reference Scenario (2030) 9%, 13%, and 1%, respectively, of fossil heat, electricity, and transportation could be replaced and 600 Mt of CO2, equal to about 15% of the EU's total emissions, could be avoided. To achieve these goals, woody biomass should be used mainly for heating and combined heat and power (CHP) generation. The production of SNG from wood to substitute fossil energy has been found environmentally beneficial from the GHG, Ecological Scarcity, and Eco-indicator 99 perspectives. However, the production of transportation fuel from woody biomass is, at the current technological development state, associated with important efficiency losses and is therefore not considered an optimal solution. For non-woody biomass (by which we refer to agricultural residues, manure, bio- and food industry wastes, and sewage sludge) the optimal use is to a large degree determined by the substitution of fossil energy and varies according to the environmental indicator applied. For all biomass, it is vital that a high substitution efficiency is achieved, which implies an efficient conversion of biomass and the choice of optimal substitutions. Finally, the spatially explicit bioenergy modelling conducted in this work indicates that smaller bioenergy plant sizes are slightly preferable in terms of overall environmental benefits, mainly due to reduced transportation distances. However, further analyses would be required to generalise this finding.
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You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eu1 citations 1 popularity Average influence Average impulse Average Powered by BIP!
more_vert add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Doctoral thesis , Other literature type 2012 SwitzerlandPublisher:Lausanne, EPFL Authors: Gerber, Léda;Life Cycle Assessment (LCA) is a well-established methodology that has been extensively used for the environmental evaluation of emerging technologies in the field of renewable energy conversion systems. In order to identify effective solutions for impact mitigation already at the conceptual process design stage, it is necessary to take into account the environmental aspects in the process design procedure, in consistency with economic and thermodynamic criteria. This thesis presents a systematic methodology for the integration of LCA in the conceptual design of renewable energy systems, using process design, process integration and multi-objective optimization techniques. The developed methodology is illustrated by three application case studies. The first one concerns the evaluation of different candidate technologies for the combined production of Synthetic Natural Gas and electricity from lignocellulosic biomass by thermochemical conversion. The second case study treats of the environomic optimal configurations of Enhanced Geothermal Systems for combined heat and power production, considering different potential conversion technologies. The third case study deals with the design and the synthesis of an urban energy system, accounting for the different energy services to be supplied, the different potential resources, the candidate conversion technologies, and the waste to be treated. In this last case study, the overall supply chains from resources or wastes to services are synthesized, accounting for the industrial ecology possibilities. A first major outcome of these application case studies is that accounting for the process integration in the evaluation of the environmental impacts leads to an important impact reduction. Secondly, the developed methodology allows for calculating the trade-offs between the environmental criteria and the thermo-economic ones. Therefore, the optimal promising configurations of an emerging technology or of a system considering its environmental performances can be identified. Finally, it is demonstrated that integrating the environmental impacts in the process design procedure leads to a different decision-making than if only thermo-economic criteria are considered.
add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.5075/epfl-thesis-5564&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eu12 citations 12 popularity Top 10% influence Top 10% impulse Top 10% Powered by BIP!
more_vert add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.5075/epfl-thesis-5564&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Doctoral thesis , Other literature type 2012 SwitzerlandPublisher:Lausanne, EPFL Authors: Gerber, Léda;Life Cycle Assessment (LCA) is a well-established methodology that has been extensively used for the environmental evaluation of emerging technologies in the field of renewable energy conversion systems. In order to identify effective solutions for impact mitigation already at the conceptual process design stage, it is necessary to take into account the environmental aspects in the process design procedure, in consistency with economic and thermodynamic criteria. This thesis presents a systematic methodology for the integration of LCA in the conceptual design of renewable energy systems, using process design, process integration and multi-objective optimization techniques. The developed methodology is illustrated by three application case studies. The first one concerns the evaluation of different candidate technologies for the combined production of Synthetic Natural Gas and electricity from lignocellulosic biomass by thermochemical conversion. The second case study treats of the environomic optimal configurations of Enhanced Geothermal Systems for combined heat and power production, considering different potential conversion technologies. The third case study deals with the design and the synthesis of an urban energy system, accounting for the different energy services to be supplied, the different potential resources, the candidate conversion technologies, and the waste to be treated. In this last case study, the overall supply chains from resources or wastes to services are synthesized, accounting for the industrial ecology possibilities. A first major outcome of these application case studies is that accounting for the process integration in the evaluation of the environmental impacts leads to an important impact reduction. Secondly, the developed methodology allows for calculating the trade-offs between the environmental criteria and the thermo-economic ones. Therefore, the optimal promising configurations of an emerging technology or of a system considering its environmental performances can be identified. Finally, it is demonstrated that integrating the environmental impacts in the process design procedure leads to a different decision-making than if only thermo-economic criteria are considered.
add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.5075/epfl-thesis-5564&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eu12 citations 12 popularity Top 10% influence Top 10% impulse Top 10% Powered by BIP!
more_vert add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Review 2016 SwitzerlandPetrou, Katherina; Kranz, Sven A; Trimborn, Scarlett; Hassler, Christel; Blanco Ameijeiras, Sonia; Sackett, Olivia; Ralph, Peter J; Davidson, Andrew T;The Southern Ocean (SO) is a major sink for anthropogenic atmospheric carbon dioxide(CO2), potentially harbouring even greater potential for additional sequestration of CO2 through enhanced phytoplankton productivity. In the SO, primary productivity is primarily driven by bottom up processes (physical and chemical conditions) which are spatially and temporally heterogeneous. Due to a paucity of trace metals (such as iron) and high variability in light, much of the SO is characterised by an ecological paradox of high macronutrient concentrations yet uncharacteristically low chlorophyll concentrations. It is expected that with increased anthropogenic CO2 emissions and the coincident warming, the major physical and chemical process that govern the SO will alter, influencing the biological capacity and functioning of the ecosystem. This review focuses on the SO primary producers and the bottom up processes that underpin their health and productivity. It looks at the major physicochemical drivers of change in the SO, and based on current physiological knowledge, explores how these changes will likely manifest in phytoplankton, specifically, what are the physiological changes and floristic shifts that are likely to ensue and how this may translate into changes in the carbon sink capacity, net primary productivity and functionality of the SO.
add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=od______1400::c4a6a6db066f2bc3426c29d4051fbf05&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eu0 citations 0 popularity Average influence Average impulse Average Powered by BIP!
more_vert add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=od______1400::c4a6a6db066f2bc3426c29d4051fbf05&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Review 2016 SwitzerlandPetrou, Katherina; Kranz, Sven A; Trimborn, Scarlett; Hassler, Christel; Blanco Ameijeiras, Sonia; Sackett, Olivia; Ralph, Peter J; Davidson, Andrew T;The Southern Ocean (SO) is a major sink for anthropogenic atmospheric carbon dioxide(CO2), potentially harbouring even greater potential for additional sequestration of CO2 through enhanced phytoplankton productivity. In the SO, primary productivity is primarily driven by bottom up processes (physical and chemical conditions) which are spatially and temporally heterogeneous. Due to a paucity of trace metals (such as iron) and high variability in light, much of the SO is characterised by an ecological paradox of high macronutrient concentrations yet uncharacteristically low chlorophyll concentrations. It is expected that with increased anthropogenic CO2 emissions and the coincident warming, the major physical and chemical process that govern the SO will alter, influencing the biological capacity and functioning of the ecosystem. This review focuses on the SO primary producers and the bottom up processes that underpin their health and productivity. It looks at the major physicochemical drivers of change in the SO, and based on current physiological knowledge, explores how these changes will likely manifest in phytoplankton, specifically, what are the physiological changes and floristic shifts that are likely to ensue and how this may translate into changes in the carbon sink capacity, net primary productivity and functionality of the SO.
add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=od______1400::c4a6a6db066f2bc3426c29d4051fbf05&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eu0 citations 0 popularity Average influence Average impulse Average Powered by BIP!
more_vert add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=od______1400::c4a6a6db066f2bc3426c29d4051fbf05&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Conference object , Part of book or chapter of book , Journal , Contribution for newspaper or weekly magazine 2013 DenmarkPublisher:Wiley Authors:Wessberg, Nina;
Wessberg, Nina
Wessberg, Nina in OpenAIRELeinonen, Anna;
Eerola, Annele; Bolwig; +2 AuthorsLeinonen, Anna
Leinonen, Anna in OpenAIREWessberg, Nina;
Wessberg, Nina
Wessberg, Nina in OpenAIRELeinonen, Anna;
Eerola, Annele; Bolwig; Simon;Leinonen, Anna
Leinonen, Anna in OpenAIRETuominen, Anu;
Tuominen, Anu
Tuominen, Anu in OpenAIREIf the Nordic energy and transport sectors are to meet the 2050 energy and climate policy targets, major systemic changes are necessary. Along with new technologies, changes are required also in other societal functions such as business models and consumer habits. The transition requires cooperation between public and private actors. This paper discusses the paradigm change towards 2050 Nordic road transport system based on renewable energy. More precisely, it proposes an approach for creation and analysis of prospective value chains up to the year 2050. The value networks arise from three alternative, but partly overlapping technology platforms, namely electricity, biofuels and hydrogen. The approach outlined in the paper combines elements from the fields of system level changes (transitions), value chain analysis and forward looking policy design. It presents a novel, policy relevant application with a set of practical tools to support development of implementation strategies and policy programmes in the fields of energy and transport.
Online Research Data... arrow_drop_down Online Research Database In TechnologyContribution for newspaper or weekly magazine . 2013Data sources: Online Research Database In TechnologyVTT Research Information SystemConference object . 2014Data sources: VTT Research Information SystemVTT Research Information SystemConference object . 2013Data sources: VTT Research Information SystemVTT Research Information SystemPart of book or chapter of book . 2016Data sources: VTT Research Information Systemadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1002/9781119307761.ch12&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eu0 citations 0 popularity Average influence Average impulse Average Powered by BIP!
more_vert Online Research Data... arrow_drop_down Online Research Database In TechnologyContribution for newspaper or weekly magazine . 2013Data sources: Online Research Database In TechnologyVTT Research Information SystemConference object . 2014Data sources: VTT Research Information SystemVTT Research Information SystemConference object . 2013Data sources: VTT Research Information SystemVTT Research Information SystemPart of book or chapter of book . 2016Data sources: VTT Research Information Systemadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1002/9781119307761.ch12&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Conference object , Part of book or chapter of book , Journal , Contribution for newspaper or weekly magazine 2013 DenmarkPublisher:Wiley Authors:Wessberg, Nina;
Wessberg, Nina
Wessberg, Nina in OpenAIRELeinonen, Anna;
Eerola, Annele; Bolwig; +2 AuthorsLeinonen, Anna
Leinonen, Anna in OpenAIREWessberg, Nina;
Wessberg, Nina
Wessberg, Nina in OpenAIRELeinonen, Anna;
Eerola, Annele; Bolwig; Simon;Leinonen, Anna
Leinonen, Anna in OpenAIRETuominen, Anu;
Tuominen, Anu
Tuominen, Anu in OpenAIREIf the Nordic energy and transport sectors are to meet the 2050 energy and climate policy targets, major systemic changes are necessary. Along with new technologies, changes are required also in other societal functions such as business models and consumer habits. The transition requires cooperation between public and private actors. This paper discusses the paradigm change towards 2050 Nordic road transport system based on renewable energy. More precisely, it proposes an approach for creation and analysis of prospective value chains up to the year 2050. The value networks arise from three alternative, but partly overlapping technology platforms, namely electricity, biofuels and hydrogen. The approach outlined in the paper combines elements from the fields of system level changes (transitions), value chain analysis and forward looking policy design. It presents a novel, policy relevant application with a set of practical tools to support development of implementation strategies and policy programmes in the fields of energy and transport.
Online Research Data... arrow_drop_down Online Research Database In TechnologyContribution for newspaper or weekly magazine . 2013Data sources: Online Research Database In TechnologyVTT Research Information SystemConference object . 2014Data sources: VTT Research Information SystemVTT Research Information SystemConference object . 2013Data sources: VTT Research Information SystemVTT Research Information SystemPart of book or chapter of book . 2016Data sources: VTT Research Information Systemadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1002/9781119307761.ch12&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eu0 citations 0 popularity Average influence Average impulse Average Powered by BIP!
more_vert Online Research Data... arrow_drop_down Online Research Database In TechnologyContribution for newspaper or weekly magazine . 2013Data sources: Online Research Database In TechnologyVTT Research Information SystemConference object . 2014Data sources: VTT Research Information SystemVTT Research Information SystemConference object . 2013Data sources: VTT Research Information SystemVTT Research Information SystemPart of book or chapter of book . 2016Data sources: VTT Research Information Systemadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1002/9781119307761.ch12&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Doctoral thesis 2020 SwitzerlandPublisher:Lausanne, EPFL Authors: Saris, Seryio;The development of sustainable, renewable and economic chemical processes lies in the centre of todayâ s global energy challenge. Like in plants, artificial photosynthesis offers an auspicious solution in harvesting solar energy and storing it in chemical bonds. A number of potential architectures and material systems have been proposed. Among these, the construction of light harvesting antennas funnelling energy towards a catalytic center is a promising idea that mimics the natural photosynthetic system. Semiconductor nanocrystals (NCs) and plasmonic metal NCs are ideal candidates to develop such a concept. The former possesses a tunability of optical properties which is superior to other light absorbers. The latter are interesting photocatalysts able to steer reaction selectivities in a unique way related to their plasmon decay. Among semiconductor NCs, the recently emerged lead halide perovskite NCs represent ideal FRET-type donors due to their high quantum yields and short photoluminescence lifetimes. Yet, incorporating them into a multicomponent light harvesting assemblies is challenging due to their inherent instability issues in conditions which are normally used to drive water splitting or CO2 reduction. Hence, this thesis focuses on exploring the viability of a photocatalytic assembly including perovskite and metal NCs, starting from enhancing the environmental stability of perovskite NC films, then moving towards investigating the optical and structural changes resulting from their interfacing with plasmonic metal NCs, and finally demonstrating an exemplary assembly platform to study energy transfer between perovskite and metal NCs that ultimately reveals improved photocatalytic efficiencies compared to the single components. Firstly, the fabrication of CsPbX3 NC aluminium oxide (AlOx) nanocomposites by a low temperature atomic layer deposition (ALD) process is proposed as a novel protection scheme. The nucleation and growth of AlOx on the NC surface was investigated by a miscellanea of techniques, highlighting the importance of the interaction between the ALD precursors and the NC surface to uniformly coat the film. These nanocomposites show enhanced stability under exposure in air, irradiation, heat, and upon immersion in water for 1 hour. A deeper understanding of the perovskiteâ metal chemistry is crucial to elucidate the instability problems at the assembly and device level. In the second part, we study the reactions occurring between CsPbX3 (X = Br, BrI, I) perovskite and plasmonic metals (M = Ag, Cu, Au) NCs. We demonstrate a fast optical and structural degradation of perovskites, particularly of iodine containing analogs, driven by the formation of metal halides. While the encapsulation of perovskite NCs in inorganic matrices has been shown to be effective in enhancing their stability, the feasibility of extracting electronic energy from these composite systems still needs to be studied. In this final part, we explore the capacity of CsPbBr3 NC/AlOx nanocomposite films to drive chemical reactions by coupling them to plasmonic Ag NCs. AlOx is used both as a stabilizing layer and as a spacer to study distance-dependent energy transfer, which reveals a migration of energy from the perovskite toward the AgNCs. We then utilize this pooled energy for a plasmon-mediated dye desorption where we demonstrate enhancement effects of spectral and spatial absorption on the reaction outcome due to the coupling to perovskites NCs.
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You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.5075/epfl-thesis-10336&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eu0 citations 0 popularity Average influence Average impulse Average Powered by BIP!
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Doctoral thesis 2020 SwitzerlandPublisher:Lausanne, EPFL Authors: Saris, Seryio;The development of sustainable, renewable and economic chemical processes lies in the centre of todayâ s global energy challenge. Like in plants, artificial photosynthesis offers an auspicious solution in harvesting solar energy and storing it in chemical bonds. A number of potential architectures and material systems have been proposed. Among these, the construction of light harvesting antennas funnelling energy towards a catalytic center is a promising idea that mimics the natural photosynthetic system. Semiconductor nanocrystals (NCs) and plasmonic metal NCs are ideal candidates to develop such a concept. The former possesses a tunability of optical properties which is superior to other light absorbers. The latter are interesting photocatalysts able to steer reaction selectivities in a unique way related to their plasmon decay. Among semiconductor NCs, the recently emerged lead halide perovskite NCs represent ideal FRET-type donors due to their high quantum yields and short photoluminescence lifetimes. Yet, incorporating them into a multicomponent light harvesting assemblies is challenging due to their inherent instability issues in conditions which are normally used to drive water splitting or CO2 reduction. Hence, this thesis focuses on exploring the viability of a photocatalytic assembly including perovskite and metal NCs, starting from enhancing the environmental stability of perovskite NC films, then moving towards investigating the optical and structural changes resulting from their interfacing with plasmonic metal NCs, and finally demonstrating an exemplary assembly platform to study energy transfer between perovskite and metal NCs that ultimately reveals improved photocatalytic efficiencies compared to the single components. Firstly, the fabrication of CsPbX3 NC aluminium oxide (AlOx) nanocomposites by a low temperature atomic layer deposition (ALD) process is proposed as a novel protection scheme. The nucleation and growth of AlOx on the NC surface was investigated by a miscellanea of techniques, highlighting the importance of the interaction between the ALD precursors and the NC surface to uniformly coat the film. These nanocomposites show enhanced stability under exposure in air, irradiation, heat, and upon immersion in water for 1 hour. A deeper understanding of the perovskiteâ metal chemistry is crucial to elucidate the instability problems at the assembly and device level. In the second part, we study the reactions occurring between CsPbX3 (X = Br, BrI, I) perovskite and plasmonic metals (M = Ag, Cu, Au) NCs. We demonstrate a fast optical and structural degradation of perovskites, particularly of iodine containing analogs, driven by the formation of metal halides. While the encapsulation of perovskite NCs in inorganic matrices has been shown to be effective in enhancing their stability, the feasibility of extracting electronic energy from these composite systems still needs to be studied. In this final part, we explore the capacity of CsPbBr3 NC/AlOx nanocomposite films to drive chemical reactions by coupling them to plasmonic Ag NCs. AlOx is used both as a stabilizing layer and as a spacer to study distance-dependent energy transfer, which reveals a migration of energy from the perovskite toward the AgNCs. We then utilize this pooled energy for a plasmon-mediated dye desorption where we demonstrate enhancement effects of spectral and spatial absorption on the reaction outcome due to the coupling to perovskites NCs.
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more_vert add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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