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Optical absorption measurements of oxide nanoparticles for application as nanofluid in direct absorption solar power systems – Part II: ZnO, CeO 2 , Fe 2 O 3 nanoparticles behavior

descriptionPublicationkeyboard_double_arrow_right Article , Journal 01 Apr 2016 Italy Publisher:Elsevier BVJournal:Solar Energy Materials and Solar Cells, volume 147, pages 321-326 (issn: 0927-0248,

Authors: MILANESE, Marco; COLANGELO, Gianpiero; CRETI', ARIANNA; Lomascolo, M.; IACOBAZZI, FABRIZIO; DE RISI, Arturo;

doi: 10.1016/j.solmat.2015.12.030

handle: 20.500.14243/308894 , 11587/397112

Optical absorption measurements of oxide nanoparticles for application as nanofluid in direct absorption solar power systems – Part II: ZnO, CeO 2 , Fe 2 O 3 nanoparticles behavior

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Abstract

The use of nanofluids as working fluids in direct absorption solar collector is growing up and the study of optical properties of nanoparticles is an important step for the success of this new technology. In this paper we report optical absorption measurements performed on several metal oxide nano- particles (ZnO,CeO2, andFe2O3) as a function of temperature in the range 25-500 °C, in order to study their optical properties, and to investigate how several heating cycles could affect nanoparticle structural stability and absorption characteristics. These are quite important issues to be investigated in order to assess the possibility to use such metal-oxide nanoparticles as gas-based high temperature nanofluid in Concentrated Solar Power (CSP).

Country

Italy

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Keywords

Nanoparticles Nanofluid Direct Absorption Solar Collector ParabolicTrough Collector, Nanoparticles, Nanofluid, Parabolic Trough Collector, Direct Absorption Solar Collector

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