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description Publicationkeyboard_double_arrow_right Article 1985 CanadaPublisher:IDRC, Ottawa, ON, CA Authors: Munene, F.;handle: 10625/22213
French version available in IDRC Digital Library: Kimaki jiko
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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=10625/22213&type=result"></script>'); --> </script>
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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 Report 2002 CanadaPublisher:TIPS, Johannesburg, ZA Authors: Eberhard, Anton;handle: 10625/33350
The South African electricity supply industry (ESI) is dominated by a state-owned and vertically integrated utility, Eskom, which ranks seventh in the world in terms of size and electricity sales; 92% of electricity is generated from coal. Data is presented to provide a snapshot of the current situation (2002). The paper examines the rationale for reform and restructuring of the South African ESI.
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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=10625/33350&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=10625/33350&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Other literature type 2022Publisher:Zenodo Pel, Bonno; Vadovics, Edina; Schmid, Benjamin; Markantoni, Marianna; Debourdeau, Ariane; Thalberg, Karin; Losada Puente, Louisa; Kemp, Renatus; Schäfer, Martina; Hajdinjak, Marko;This deliverable includes the methodology in EnergyPROSPECTS for an in-depth study of energy citizenship. It features the criteria used for selecting the cases for indepth study, the list of cases selected for in-depth study as well as key research foci and empirical research questions.
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.10794007&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eu1 citations 1 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=10.5281/zenodo.10794007&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Part of book or chapter of book 2018Publisher:ВНИИ агрохимии Lothar, M.; Winfried, B.; Winfried, S.; Vladimir, R.; Victor, S.; Michael, J.; Ingo, K.; Bruce, B.; Blair, M.; Maria, G.; Nikolai, D.; Lev, K.; Valery, K.; Elena, B.; Denis, C.; Askhad, S.; Abdulla, S.; Konstantin, P.; Jilili, A.; Vladimir, K.; Uwe, S.; Wilfried, M.; Ewald, S.; Gunnar, L.; Frank, E.;Исследование ландшафтов всегда было традиционным научным направлением географии. В России подобная направленность исследований остаётся актуальной, несмотря на то, что термины «геоэкология» и «ландшафтная экология» сегодня более распространены в англоязычном научном сообществе. Наш краткий обзор показывает значительное ускорение антропогенных ландшафтных изменений в Европе, Центральной Азии и азиатской части России за последние пять десятилетий. Ландшафтные исследования в антропоцене должны быть направлены на достижение и сохранение устойчивости ландшафта при его высокой производительности, что включает в себя прекращение деградации ландшафтов, развитие культурных и сохранение природных ландшафтов. Чистая вода и чистый воздух, плодородные и здоровые почвы для производства продуктов питания и других экосистемных услуг, а также биологически разнообразная зеленая среда являются атрибутами ландшафтов, обеспечивающих выживание и благополучие населения. Дисциплинарные и междисциплинарные исследования должны генерировать знания, инновации и правила принятия действенных решений. Генерация знаний в глобализованном мире основана на сборе больших массивов данных и моделировании сценариев. Международные длительные полевые опыты и системы агроэкологического мониторинга будут предоставлять данные для экосистемных моделей и систем поддержки принимаемых решений. Landscape research has been a traditional scientific discipline of geography. This is still the case in Russia, whilst the terms geo-ecology and landscape ecology have become established in the English speaking scientific community. Our short review reveals huge and accelerating anthropogenic landscape transformations in Europe, Central Asia and Asian Russia since the end the 1960s. Landscape research in the Anthropocene has to focus on achieving landscape sustainability at high productivity. This includes halting landscape degradation, developing cultural landscapes, and maintaining semi-natural landscapes. Clean water and air, fertile and healthy soils for food and other ecosystem services and a green and bio-diverse environment are attributes of landscapes for the survival and well-being of humans. Research has to generate knowledge, innovations and decision rules by disciplinary, interdisciplinary and trans-disciplinary work. Knowledge generation in a globalized world is based on big data gathering and scenario modelling. International long-term experiments and agri-environmental monitoring systems will deliver data for ecosystem models and decision support systems.
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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=10.25680/8367.2018.47.69.001&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 Doctoral thesis 2024 SpainPublisher:Universitat Rovira i Virgili Authors: Yang, Luqi;This doctoral thesis focuses on tourism recovery, sustainability and future development under the influence of global industry crisis. Part I provides the introduction. Part II introduces the conceptual framework of three published theoretical papers. The first paper focuses on bibliometric studies of tourism and COVID-19 topics. The current state of the art reveals interdisciplinary research interests on crisis management, tourism sustainability and stakeholder collaborations. It also identifies underexplored topics on the social, environmental, cultural and governance dimensions of sustainable tourism and stresses the function of technology and innovation in helping sustainable governance and protocols. The second paper focuses on the thematic analysis of tourism sustainability and COVID-19 and highlights new growth potentials in high technologies utilization, strategic planning and management. The third paper focuses on the thematic analysis of China’s tourism recovery and resilience strategies. Measures related to tourism industrial reemployment, digitalization, nature, cultural heritages and dark tourism became important factors in the future development of China’s tourism. Part III introduces two empirical studies, with the fourth paper – panel data analysis upon cross-sectional sustainable performances of tourism and hospitality companies, in discovering their relationships with corporate financial performances when moderated by global industrial crises. It contributes to advancing our comprehension of the determinants influencing sustainability in the hospitality sector, with a nuanced understanding of how global industrial crises moderate these dynamics. The fifth paper was an empirical study on tourism sustainability and innovation – in finding the relationships between environmental innovation and tourism sustainable performances, financial performances, and how the relationships would be influenced under the global crisis lens. It has highlighted environmental innovation as a potential worthy investment and green transition opportunity, in dealing with global climate change, innovative capabilities in environmental management, and fulfillment of stakeholder social commitment. Part IV demonstrates the conclusions, implications, limitations and future research. Esta tesis doctoral se centra en la recuperación del turismo, la sostenibilidad y el desarrollo futuro bajo la influencia de la crisis de la industria global. La parte I proporciona la introducción. La Parte II presenta el marco conceptual de tres artículos teóricos publicados. El primer artículo se centra en estudios bibliométricos sobre turismo y temas de COVID-19. El estado actual del arte revela intereses de investigación interdisciplinarios sobre gestión de crisis, sostenibilidad del turismo y colaboraciones de partes interesadas. También identifica temas poco explorados sobre las dimensiones social, ambiental, cultural y de gobernanza del turismo sostenible y destaca la función de la tecnología y la innovación para ayudar a la gobernanza y los protocolos sostenibles. El segundo documento se centra en el análisis temático de la sostenibilidad del turismo y la COVID-19 y destaca nuevos potenciales de crecimiento en la utilización, la planificación estratégica y la gestión de altas tecnologías. El tercer artículo se centra en el análisis temático de las estrategias de recuperación y resiliencia del turismo de China. Las medidas relacionadas con el reempleo industrial del turismo, la digitalización, la naturaleza, los patrimonios culturales y el turismo oscuro se convirtieron en factores importantes en el desarrollo futuro del turismo de China. La Parte III presenta dos estudios empíricos, y el cuarto artículo es un análisis de datos de panel sobre el desempeño sostenible transversal de las empresas de turismo y hotelería, para descubrir sus relaciones con el desempeño financiero corporativo cuando está moderado por crisis industriales globales. El quinto documento fue un estudio empírico sobre la sostenibilidad y la innovación del turismo, para encontrar las relaciones entre la innovación ambiental y el desempeño sostenible del turismo, el desempeño financiero y cómo las relaciones se verían influenciadas bajo la lente de la crisis global. La Parte IV demuestra las conclusiones, implicaciones, limitaciones y futuras investigaciones. Aquesta tesi doctoral se centra en la recuperació del turisme, la sostenibilitat i el desenvolupament futur sota la influència de la crisi global de la indústria. La part I proporciona la introducció. La segona part presenta el marc conceptual de tres articles teòrics publicats. El primer article se centra en estudis bibliomètrics de turisme i temes de COVID-19. L'estat actual de l'art revela interessos de recerca interdisciplinaris sobre gestió de crisi, sostenibilitat turística i col·laboracions amb les parts interessades. També identifica temes poc explorats sobre les dimensions social, ambiental, cultural i de governança del turisme sostenible i subratlla la funció de la tecnologia i la innovació per ajudar a la governança i els protocols sostenibles. El segon article se centra en l'anàlisi temàtica de la sostenibilitat turística i la COVID-19 i destaca els nous potencials de creixement en la utilització de les altes tecnologies, la planificació estratègica i la gestió. El tercer article se centra en l'anàlisi temàtica de les estratègies de recuperació i resiliència turística de la Xina. Les mesures relacionades amb la reocupació industrial del turisme, la digitalització, la natura, els patrimonis culturals i el turisme fosc es van convertir en factors importants en el desenvolupament futur del turisme de la Xina. La part III introdueix dos estudis empírics, amb el quart article: anàlisi de dades de panells sobre el rendiment transversal transversal de les empreses de turisme i hostaleria, per descobrir les seves relacions amb els resultats financers de les empreses quan són moderades per les crisis industrials globals. El cinquè document va ser un estudi empíric sobre la sostenibilitat i la innovació del turisme: per trobar les relacions entre la innovació ambiental i els rendiments sostenibles del turisme, els resultats financers i com es veurien influenciades les relacions sota la lent de la crisi global. La part IV mostra les conclusions, implicacions, limitacions i investigacions futures.
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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 Master thesis , Thesis 2015Embargo end date: 01 Dec 2015 CanadaPublisher:Graduate Studies Authors: Pauls, Jennifer Hamlet;handle: 11023/2652
A comprehensive model was developed to simulate gasification of pine sawdust in the presence of both air and steam. The proposed model was built upon the premise of an existing Aspen Plus-based biomass gasification model with select improvements. These include the addition of a temperature-dependent pyrolysis model, an updated hydrodynamic model, more extensive gasification kinetics and the inclusion of tar formation and reaction kinetics. The Aspen Plus process simulator was used in combination with a more extensive Fortran subroutine to appropriately model a Bubbling Fluidized Bed (“BFB”) gasifier. The validity of the model was compared on two fronts: Firstly, the accuracy of the model’s predictions in comparison with the actual experimental results; and secondly, the relative accuracy of the model prediction in comparison to the original base-model.
PRISM: University of... arrow_drop_down PRISM: University of Calgary Digital RepositoryMaster thesis . 2015Data sources: PRISM: University of Calgary Digital RepositoryPRISM: University of Calgary Digital RepositoryMaster thesis . 2015Data sources: PRISM: University of Calgary Digital RepositoryPRISM: University of Calgary Digital RepositoryMaster thesis . 2015Data sources: Bielefeld Academic Search Engine (BASE)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=10.11575/prism/27785&type=result"></script>'); --> </script>
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more_vert PRISM: University of... arrow_drop_down PRISM: University of Calgary Digital RepositoryMaster thesis . 2015Data sources: PRISM: University of Calgary Digital RepositoryPRISM: University of Calgary Digital RepositoryMaster thesis . 2015Data sources: PRISM: University of Calgary Digital RepositoryPRISM: University of Calgary Digital RepositoryMaster thesis . 2015Data sources: Bielefeld Academic Search Engine (BASE)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=10.11575/prism/27785&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Master thesis 2023 SpainPublisher:Universitat Politècnica de Catalunya Authors: Gas Ferrer, Carlos;handle: 2117/403436
A strontium atomic source is characterized in terms of flux and angular distribution in this project. Beam collimation via a microcapillary nozzle is studied and tested against theoretical models. Further improvement of the atomic beam via one-dimensional transverse cooling is demonstrated.
Recolector de Cienci... arrow_drop_down Recolector de Ciencia Abierta, RECOLECTAMaster thesis . 2023Data sources: Recolector de Ciencia Abierta, RECOLECTAUPCommons. Portal del coneixement obert de la UPCMaster thesis . 2023Data sources: UPCommons. Portal del coneixement obert de la UPCadd 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=2117/403436&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess RoutesGreen 0 citations 0 popularity Average influence Average impulse Average Powered by BIP!
visibility 104visibility views 104 download downloads 61 Powered bymore_vert Recolector de Cienci... arrow_drop_down Recolector de Ciencia Abierta, RECOLECTAMaster thesis . 2023Data sources: Recolector de Ciencia Abierta, RECOLECTAUPCommons. Portal del coneixement obert de la UPCMaster thesis . 2023Data sources: UPCommons. Portal del coneixement obert de la UPCadd 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=2117/403436&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Thesis 2022 CanadaAuthors: Osorio Gonzalez, Carlos Saul;handle: 10315/39635
With an ever-growing population, global energy demand increases, thereby contributing to the depletion of fossil resources and their limited reserves. Thereby, to lessen the environmental damage caused by fossil fuels, there has been a surge of interest in developing and producing biofuels from renewable feedstocks, such as microbial lipids. Typically, they are derived via a biochemical process using liquid hydrolysates obtained from forestry residues as a substrate. However, microbial lipid production using hydrolysates presents numerous challenges, including the need for a strain that can accumulate high lipid titers, consume five-carbon sugars (C5), and tolerate inhibitory compounds (e.g., furans, phenols, and organic acids), among others. Out of several microorganisms, Rhodosporidium toruloides, an oleaginous yeast, could be a potential alternative to produce lipids. It is known to accumulate lipids up to 70% of its dry cell weight, use different carbon sources, and tolerate several inhibitory compounds. In this sense, the current thesis explores the ability of Rhodosporidium toruloides as a bio-factory to produce microbial lipids using C5 and C6 wood hydrolysates as a culture media. Different R. toruloides strains were screened, and R. toruloides-1588 was determined to have the highest lipid accumulation of 35%. Following the culture media, carbon to nitrogen ratio, use of lipid inducers, and sugar concentration optimization, the lipid accumulation increased from 35% to 57.14%, with 95% and 80% of glucose and xylose utilization in hydrolysates, respectively. Likewise, palmitic, stearic, and oleic fatty acids were the most prominently on the produced lipids. Finally, R. toruloides-1588 demonstrates the capacity to grow, accumulate lipids, and transform furfural into furfuryl alcohol and 2-furoic acid. The strain was also assessed for its ability to tolerate inhibitory compounds, such as 5-hydroxymethyl furfural, vanillin, syringaldehyde, levulinic acid, ferulic acid, acetic acid, vanillic acid, and ...
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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=10315/39635&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=10315/39635&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Report 1977 CanadaPublisher:University of Waterloo, Waterloo, ON, CA Authors: Schmidt, William L.;handle: 10625/36211
"A report prepared to review the wind power potential of Eastern Africa and assess its applicability for waterpumping" ; Photocopy ; The viability of wind power as a means of pumping water in Eastern Africa and Botswana is studied. Discusses the activities of several research groups and evaluates projects in terms of feasibility and implementation. Includes a brief state-of-the-art review of wind development programmes in Europe.
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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=10625/36211&type=result"></script>'); --> </script>
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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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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Other literature type , Article 2017 SpainPublisher:OpenAlex Authors: Osbel Almora; Lídia Roca; Germà Garcia Belmonte;El aumento espectacular y sin precedentes de las llamadas células solares de perovskita (PSC) en la eficiencia de conversión con procesos de fabricación de bajo costo ha llamado la atención de la comunidad científica en el campo de la energía fotovoltaica durante los últimos cuatro años. La inclusión de materiales absorbentes de tipo perovskita, típicamente CH 3 NH 3 PbI 3 , ha sido el factor clave para el desarrollo de esta tecnología emergente que ha creado muchas expectativas. Sin embargo, muchos aspectos poco conocidos de sus modos de operación aún necesitan explicaciones confiables. Este documento proporciona una breve introducción a la estructura, materiales y características de las PSC. Además, se proporcionan algunos comentarios sobre la estabilidad de estos dispositivos y se discute el estado del arte de varios temas de interés, como el fenómeno de histéresis de las curvas de corriente-voltaje. L'augmentation spectaculaire et sans précédent de l'efficacité de conversion des cellules solaires dites pérovskites (CSP) avec des procédés de fabrication à faible coût a attiré l'attention de la communauté scientifique dans le domaine du photovoltaïque au cours des quatre dernières années. L'inclusion de matériaux absorbants de type pérovskite, typiquement CH 3 NH 3 PbI 3 , a été le facteur clé pour le développement de cette technologie émergente qui a créé beaucoup d'attentes. Cependant, de nombreux aspects mal compris de ses modes de fonctionnement ont encore besoin d'explications fiables. Cet article fournit une brève introduction à la structure, aux matériaux et aux caractéristiques des CSP. En outre, quelques remarques sur la stabilité de ces dispositifs sont fournies et l'état de l'art de plusieurs sujets d'intérêt est discuté, tels que le phénomène d'hystérésis des courbes courant-tension. The spectacular and unprecedented rise of so-called perovskite solar cells (PSCs) in conversion efficiency with low-cost manufacturing processes has grabbed the attention of the scientific community in the field of photovoltaics during the last four years.The inclusion of perovskite type absorber materials, typically CH 3 NH 3 PbI 3 , has been the key factor for the development of this emerging technology that has created a lot of expectations.However, many poorly understood aspects of its operating modes still need of reliable explanations.This paper provides a brief introduction to the structure, materials and characteristics of PSCs.In addition, some remarks about the stability of these devices are provided and the state-of-the-art of several subjects of interest is discussed, such as the hysteresis phenomenon of current-voltage curves. استحوذ الارتفاع المذهل وغير المسبوق لما يسمى بالخلايا الشمسية البيروفسكيتية (PSCs) في كفاءة التحويل مع عمليات التصنيع منخفضة التكلفة على اهتمام المجتمع العلمي في مجال الخلايا الكهروضوئية خلال السنوات الأربع الماضية. كان إدراج مواد امتصاص من نوع البيروفسكيت، عادةً CH 3 NH 3 PbI 3 ، هو العامل الرئيسي لتطوير هذه التكنولوجيا الناشئة التي خلقت الكثير من التوقعات. ومع ذلك، لا تزال العديد من الجوانب غير المفهومة لأوضاع تشغيلها بحاجة إلى تفسيرات موثوقة. توفر هذه الورقة مقدمة موجزة لهيكل ومواد وخصائص PSC. بالإضافة إلى ذلك، يتم تقديم بعض الملاحظات حول استقرار هذه الأجهزة ومناقشة أحدث ما توصلت إليه العديد من الموضوعات المثيرة للاهتمام، مثل ظاهرة التباطؤ في منحنيات الجهد الحالي.
Recolector de Cienci... arrow_drop_down Recolector de Ciencia Abierta, RECOLECTAArticle . 2017Data sources: Recolector de Ciencia Abierta, RECOLECTARepositori Institucional de la Universitat Jaume IArticle . 2017Data sources: Repositori Institucional de la Universitat Jaume Iadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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visibility 19visibility views 19 download downloads 58 Powered bymore_vert Recolector de Cienci... arrow_drop_down Recolector de Ciencia Abierta, RECOLECTAArticle . 2017Data sources: Recolector de Ciencia Abierta, RECOLECTARepositori Institucional de la Universitat Jaume IArticle . 2017Data sources: Repositori Institucional de la Universitat Jaume Iadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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description Publicationkeyboard_double_arrow_right Article 1985 CanadaPublisher:IDRC, Ottawa, ON, CA Authors: Munene, F.;handle: 10625/22213
French version available in IDRC Digital Library: Kimaki jiko
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Report 2002 CanadaPublisher:TIPS, Johannesburg, ZA Authors: Eberhard, Anton;handle: 10625/33350
The South African electricity supply industry (ESI) is dominated by a state-owned and vertically integrated utility, Eskom, which ranks seventh in the world in terms of size and electricity sales; 92% of electricity is generated from coal. Data is presented to provide a snapshot of the current situation (2002). The paper examines the rationale for reform and restructuring of the South African ESI.
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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 Other literature type 2022Publisher:Zenodo Pel, Bonno; Vadovics, Edina; Schmid, Benjamin; Markantoni, Marianna; Debourdeau, Ariane; Thalberg, Karin; Losada Puente, Louisa; Kemp, Renatus; Schäfer, Martina; Hajdinjak, Marko;This deliverable includes the methodology in EnergyPROSPECTS for an in-depth study of energy citizenship. It features the criteria used for selecting the cases for indepth study, the list of cases selected for in-depth study as well as key research foci and empirical research questions.
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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 Part of book or chapter of book 2018Publisher:ВНИИ агрохимии Lothar, M.; Winfried, B.; Winfried, S.; Vladimir, R.; Victor, S.; Michael, J.; Ingo, K.; Bruce, B.; Blair, M.; Maria, G.; Nikolai, D.; Lev, K.; Valery, K.; Elena, B.; Denis, C.; Askhad, S.; Abdulla, S.; Konstantin, P.; Jilili, A.; Vladimir, K.; Uwe, S.; Wilfried, M.; Ewald, S.; Gunnar, L.; Frank, E.;Исследование ландшафтов всегда было традиционным научным направлением географии. В России подобная направленность исследований остаётся актуальной, несмотря на то, что термины «геоэкология» и «ландшафтная экология» сегодня более распространены в англоязычном научном сообществе. Наш краткий обзор показывает значительное ускорение антропогенных ландшафтных изменений в Европе, Центральной Азии и азиатской части России за последние пять десятилетий. Ландшафтные исследования в антропоцене должны быть направлены на достижение и сохранение устойчивости ландшафта при его высокой производительности, что включает в себя прекращение деградации ландшафтов, развитие культурных и сохранение природных ландшафтов. Чистая вода и чистый воздух, плодородные и здоровые почвы для производства продуктов питания и других экосистемных услуг, а также биологически разнообразная зеленая среда являются атрибутами ландшафтов, обеспечивающих выживание и благополучие населения. Дисциплинарные и междисциплинарные исследования должны генерировать знания, инновации и правила принятия действенных решений. Генерация знаний в глобализованном мире основана на сборе больших массивов данных и моделировании сценариев. Международные длительные полевые опыты и системы агроэкологического мониторинга будут предоставлять данные для экосистемных моделей и систем поддержки принимаемых решений. Landscape research has been a traditional scientific discipline of geography. This is still the case in Russia, whilst the terms geo-ecology and landscape ecology have become established in the English speaking scientific community. Our short review reveals huge and accelerating anthropogenic landscape transformations in Europe, Central Asia and Asian Russia since the end the 1960s. Landscape research in the Anthropocene has to focus on achieving landscape sustainability at high productivity. This includes halting landscape degradation, developing cultural landscapes, and maintaining semi-natural landscapes. Clean water and air, fertile and healthy soils for food and other ecosystem services and a green and bio-diverse environment are attributes of landscapes for the survival and well-being of humans. Research has to generate knowledge, innovations and decision rules by disciplinary, interdisciplinary and trans-disciplinary work. Knowledge generation in a globalized world is based on big data gathering and scenario modelling. International long-term experiments and agri-environmental monitoring systems will deliver data for ecosystem models and decision support systems.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Doctoral thesis 2024 SpainPublisher:Universitat Rovira i Virgili Authors: Yang, Luqi;This doctoral thesis focuses on tourism recovery, sustainability and future development under the influence of global industry crisis. Part I provides the introduction. Part II introduces the conceptual framework of three published theoretical papers. The first paper focuses on bibliometric studies of tourism and COVID-19 topics. The current state of the art reveals interdisciplinary research interests on crisis management, tourism sustainability and stakeholder collaborations. It also identifies underexplored topics on the social, environmental, cultural and governance dimensions of sustainable tourism and stresses the function of technology and innovation in helping sustainable governance and protocols. The second paper focuses on the thematic analysis of tourism sustainability and COVID-19 and highlights new growth potentials in high technologies utilization, strategic planning and management. The third paper focuses on the thematic analysis of China’s tourism recovery and resilience strategies. Measures related to tourism industrial reemployment, digitalization, nature, cultural heritages and dark tourism became important factors in the future development of China’s tourism. Part III introduces two empirical studies, with the fourth paper – panel data analysis upon cross-sectional sustainable performances of tourism and hospitality companies, in discovering their relationships with corporate financial performances when moderated by global industrial crises. It contributes to advancing our comprehension of the determinants influencing sustainability in the hospitality sector, with a nuanced understanding of how global industrial crises moderate these dynamics. The fifth paper was an empirical study on tourism sustainability and innovation – in finding the relationships between environmental innovation and tourism sustainable performances, financial performances, and how the relationships would be influenced under the global crisis lens. It has highlighted environmental innovation as a potential worthy investment and green transition opportunity, in dealing with global climate change, innovative capabilities in environmental management, and fulfillment of stakeholder social commitment. Part IV demonstrates the conclusions, implications, limitations and future research. Esta tesis doctoral se centra en la recuperación del turismo, la sostenibilidad y el desarrollo futuro bajo la influencia de la crisis de la industria global. La parte I proporciona la introducción. La Parte II presenta el marco conceptual de tres artículos teóricos publicados. El primer artículo se centra en estudios bibliométricos sobre turismo y temas de COVID-19. El estado actual del arte revela intereses de investigación interdisciplinarios sobre gestión de crisis, sostenibilidad del turismo y colaboraciones de partes interesadas. También identifica temas poco explorados sobre las dimensiones social, ambiental, cultural y de gobernanza del turismo sostenible y destaca la función de la tecnología y la innovación para ayudar a la gobernanza y los protocolos sostenibles. El segundo documento se centra en el análisis temático de la sostenibilidad del turismo y la COVID-19 y destaca nuevos potenciales de crecimiento en la utilización, la planificación estratégica y la gestión de altas tecnologías. El tercer artículo se centra en el análisis temático de las estrategias de recuperación y resiliencia del turismo de China. Las medidas relacionadas con el reempleo industrial del turismo, la digitalización, la naturaleza, los patrimonios culturales y el turismo oscuro se convirtieron en factores importantes en el desarrollo futuro del turismo de China. La Parte III presenta dos estudios empíricos, y el cuarto artículo es un análisis de datos de panel sobre el desempeño sostenible transversal de las empresas de turismo y hotelería, para descubrir sus relaciones con el desempeño financiero corporativo cuando está moderado por crisis industriales globales. El quinto documento fue un estudio empírico sobre la sostenibilidad y la innovación del turismo, para encontrar las relaciones entre la innovación ambiental y el desempeño sostenible del turismo, el desempeño financiero y cómo las relaciones se verían influenciadas bajo la lente de la crisis global. La Parte IV demuestra las conclusiones, implicaciones, limitaciones y futuras investigaciones. Aquesta tesi doctoral se centra en la recuperació del turisme, la sostenibilitat i el desenvolupament futur sota la influència de la crisi global de la indústria. La part I proporciona la introducció. La segona part presenta el marc conceptual de tres articles teòrics publicats. El primer article se centra en estudis bibliomètrics de turisme i temes de COVID-19. L'estat actual de l'art revela interessos de recerca interdisciplinaris sobre gestió de crisi, sostenibilitat turística i col·laboracions amb les parts interessades. També identifica temes poc explorats sobre les dimensions social, ambiental, cultural i de governança del turisme sostenible i subratlla la funció de la tecnologia i la innovació per ajudar a la governança i els protocols sostenibles. El segon article se centra en l'anàlisi temàtica de la sostenibilitat turística i la COVID-19 i destaca els nous potencials de creixement en la utilització de les altes tecnologies, la planificació estratègica i la gestió. El tercer article se centra en l'anàlisi temàtica de les estratègies de recuperació i resiliència turística de la Xina. Les mesures relacionades amb la reocupació industrial del turisme, la digitalització, la natura, els patrimonis culturals i el turisme fosc es van convertir en factors importants en el desenvolupament futur del turisme de la Xina. La part III introdueix dos estudis empírics, amb el quart article: anàlisi de dades de panells sobre el rendiment transversal transversal de les empreses de turisme i hostaleria, per descobrir les seves relacions amb els resultats financers de les empreses quan són moderades per les crisis industrials globals. El cinquè document va ser un estudi empíric sobre la sostenibilitat i la innovació del turisme: per trobar les relacions entre la innovació ambiental i els rendiments sostenibles del turisme, els resultats financers i com es veurien influenciades les relacions sota la lent de la crisi global. La part IV mostra les conclusions, implicacions, limitacions i investigacions futures.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Master thesis , Thesis 2015Embargo end date: 01 Dec 2015 CanadaPublisher:Graduate Studies Authors: Pauls, Jennifer Hamlet;handle: 11023/2652
A comprehensive model was developed to simulate gasification of pine sawdust in the presence of both air and steam. The proposed model was built upon the premise of an existing Aspen Plus-based biomass gasification model with select improvements. These include the addition of a temperature-dependent pyrolysis model, an updated hydrodynamic model, more extensive gasification kinetics and the inclusion of tar formation and reaction kinetics. The Aspen Plus process simulator was used in combination with a more extensive Fortran subroutine to appropriately model a Bubbling Fluidized Bed (“BFB”) gasifier. The validity of the model was compared on two fronts: Firstly, the accuracy of the model’s predictions in comparison with the actual experimental results; and secondly, the relative accuracy of the model prediction in comparison to the original base-model.
PRISM: University of... arrow_drop_down PRISM: University of Calgary Digital RepositoryMaster thesis . 2015Data sources: PRISM: University of Calgary Digital RepositoryPRISM: University of Calgary Digital RepositoryMaster thesis . 2015Data sources: PRISM: University of Calgary Digital RepositoryPRISM: University of Calgary Digital RepositoryMaster thesis . 2015Data sources: Bielefeld Academic Search Engine (BASE)add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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more_vert PRISM: University of... arrow_drop_down PRISM: University of Calgary Digital RepositoryMaster thesis . 2015Data sources: PRISM: University of Calgary Digital RepositoryPRISM: University of Calgary Digital RepositoryMaster thesis . 2015Data sources: PRISM: University of Calgary Digital RepositoryPRISM: University of Calgary Digital RepositoryMaster thesis . 2015Data sources: Bielefeld Academic Search Engine (BASE)add ClaimPlease grant OpenAIRE to access and update your ORCID works.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 Master thesis 2023 SpainPublisher:Universitat Politècnica de Catalunya Authors: Gas Ferrer, Carlos;handle: 2117/403436
A strontium atomic source is characterized in terms of flux and angular distribution in this project. Beam collimation via a microcapillary nozzle is studied and tested against theoretical models. Further improvement of the atomic beam via one-dimensional transverse cooling is demonstrated.
Recolector de Cienci... arrow_drop_down Recolector de Ciencia Abierta, RECOLECTAMaster thesis . 2023Data sources: Recolector de Ciencia Abierta, RECOLECTAUPCommons. Portal del coneixement obert de la UPCMaster thesis . 2023Data sources: UPCommons. Portal del coneixement obert de la UPCadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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visibility 104visibility views 104 download downloads 61 Powered bymore_vert Recolector de Cienci... arrow_drop_down Recolector de Ciencia Abierta, RECOLECTAMaster thesis . 2023Data sources: Recolector de Ciencia Abierta, RECOLECTAUPCommons. Portal del coneixement obert de la UPCMaster thesis . 2023Data sources: UPCommons. Portal del coneixement obert de la UPCadd ClaimPlease grant OpenAIRE to access and update your ORCID works.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 Thesis 2022 CanadaAuthors: Osorio Gonzalez, Carlos Saul;handle: 10315/39635
With an ever-growing population, global energy demand increases, thereby contributing to the depletion of fossil resources and their limited reserves. Thereby, to lessen the environmental damage caused by fossil fuels, there has been a surge of interest in developing and producing biofuels from renewable feedstocks, such as microbial lipids. Typically, they are derived via a biochemical process using liquid hydrolysates obtained from forestry residues as a substrate. However, microbial lipid production using hydrolysates presents numerous challenges, including the need for a strain that can accumulate high lipid titers, consume five-carbon sugars (C5), and tolerate inhibitory compounds (e.g., furans, phenols, and organic acids), among others. Out of several microorganisms, Rhodosporidium toruloides, an oleaginous yeast, could be a potential alternative to produce lipids. It is known to accumulate lipids up to 70% of its dry cell weight, use different carbon sources, and tolerate several inhibitory compounds. In this sense, the current thesis explores the ability of Rhodosporidium toruloides as a bio-factory to produce microbial lipids using C5 and C6 wood hydrolysates as a culture media. Different R. toruloides strains were screened, and R. toruloides-1588 was determined to have the highest lipid accumulation of 35%. Following the culture media, carbon to nitrogen ratio, use of lipid inducers, and sugar concentration optimization, the lipid accumulation increased from 35% to 57.14%, with 95% and 80% of glucose and xylose utilization in hydrolysates, respectively. Likewise, palmitic, stearic, and oleic fatty acids were the most prominently on the produced lipids. Finally, R. toruloides-1588 demonstrates the capacity to grow, accumulate lipids, and transform furfural into furfuryl alcohol and 2-furoic acid. The strain was also assessed for its ability to tolerate inhibitory compounds, such as 5-hydroxymethyl furfural, vanillin, syringaldehyde, levulinic acid, ferulic acid, acetic acid, vanillic acid, and ...
add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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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=10315/39635&type=result"></script>'); --> </script>
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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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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Report 1977 CanadaPublisher:University of Waterloo, Waterloo, ON, CA Authors: Schmidt, William L.;handle: 10625/36211
"A report prepared to review the wind power potential of Eastern Africa and assess its applicability for waterpumping" ; Photocopy ; The viability of wind power as a means of pumping water in Eastern Africa and Botswana is studied. Discusses the activities of several research groups and evaluates projects in terms of feasibility and implementation. Includes a brief state-of-the-art review of wind development programmes in Europe.
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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.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Other literature type , Article 2017 SpainPublisher:OpenAlex Authors: Osbel Almora; Lídia Roca; Germà Garcia Belmonte;El aumento espectacular y sin precedentes de las llamadas células solares de perovskita (PSC) en la eficiencia de conversión con procesos de fabricación de bajo costo ha llamado la atención de la comunidad científica en el campo de la energía fotovoltaica durante los últimos cuatro años. La inclusión de materiales absorbentes de tipo perovskita, típicamente CH 3 NH 3 PbI 3 , ha sido el factor clave para el desarrollo de esta tecnología emergente que ha creado muchas expectativas. Sin embargo, muchos aspectos poco conocidos de sus modos de operación aún necesitan explicaciones confiables. Este documento proporciona una breve introducción a la estructura, materiales y características de las PSC. Además, se proporcionan algunos comentarios sobre la estabilidad de estos dispositivos y se discute el estado del arte de varios temas de interés, como el fenómeno de histéresis de las curvas de corriente-voltaje. L'augmentation spectaculaire et sans précédent de l'efficacité de conversion des cellules solaires dites pérovskites (CSP) avec des procédés de fabrication à faible coût a attiré l'attention de la communauté scientifique dans le domaine du photovoltaïque au cours des quatre dernières années. L'inclusion de matériaux absorbants de type pérovskite, typiquement CH 3 NH 3 PbI 3 , a été le facteur clé pour le développement de cette technologie émergente qui a créé beaucoup d'attentes. Cependant, de nombreux aspects mal compris de ses modes de fonctionnement ont encore besoin d'explications fiables. Cet article fournit une brève introduction à la structure, aux matériaux et aux caractéristiques des CSP. En outre, quelques remarques sur la stabilité de ces dispositifs sont fournies et l'état de l'art de plusieurs sujets d'intérêt est discuté, tels que le phénomène d'hystérésis des courbes courant-tension. The spectacular and unprecedented rise of so-called perovskite solar cells (PSCs) in conversion efficiency with low-cost manufacturing processes has grabbed the attention of the scientific community in the field of photovoltaics during the last four years.The inclusion of perovskite type absorber materials, typically CH 3 NH 3 PbI 3 , has been the key factor for the development of this emerging technology that has created a lot of expectations.However, many poorly understood aspects of its operating modes still need of reliable explanations.This paper provides a brief introduction to the structure, materials and characteristics of PSCs.In addition, some remarks about the stability of these devices are provided and the state-of-the-art of several subjects of interest is discussed, such as the hysteresis phenomenon of current-voltage curves. استحوذ الارتفاع المذهل وغير المسبوق لما يسمى بالخلايا الشمسية البيروفسكيتية (PSCs) في كفاءة التحويل مع عمليات التصنيع منخفضة التكلفة على اهتمام المجتمع العلمي في مجال الخلايا الكهروضوئية خلال السنوات الأربع الماضية. كان إدراج مواد امتصاص من نوع البيروفسكيت، عادةً CH 3 NH 3 PbI 3 ، هو العامل الرئيسي لتطوير هذه التكنولوجيا الناشئة التي خلقت الكثير من التوقعات. ومع ذلك، لا تزال العديد من الجوانب غير المفهومة لأوضاع تشغيلها بحاجة إلى تفسيرات موثوقة. توفر هذه الورقة مقدمة موجزة لهيكل ومواد وخصائص PSC. بالإضافة إلى ذلك، يتم تقديم بعض الملاحظات حول استقرار هذه الأجهزة ومناقشة أحدث ما توصلت إليه العديد من الموضوعات المثيرة للاهتمام، مثل ظاهرة التباطؤ في منحنيات الجهد الحالي.
Recolector de Cienci... arrow_drop_down Recolector de Ciencia Abierta, RECOLECTAArticle . 2017Data sources: Recolector de Ciencia Abierta, RECOLECTARepositori Institucional de la Universitat Jaume IArticle . 2017Data sources: Repositori Institucional de la Universitat Jaume Iadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.euAccess RoutesGreen 0 citations 0 popularity Average influence Average impulse Average Powered by BIP!
visibility 19visibility views 19 download downloads 58 Powered bymore_vert Recolector de Cienci... arrow_drop_down Recolector de Ciencia Abierta, RECOLECTAArticle . 2017Data sources: Recolector de Ciencia Abierta, RECOLECTARepositori Institucional de la Universitat Jaume IArticle . 2017Data sources: Repositori Institucional de la Universitat Jaume Iadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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