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ADVANCED TOPICS IN ELECTRICAL ENGINEERING – ATEE 2017

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Improvement of Polycrystalline Solar Cells Operation under Low Solar Radiation Conditions by Using ZnO Nanostructured Materials

The paper presents a complex process used for obtaining ZnO nanostructures for antireflective coatings. The process is suitable to silicone solar cells and can be used in order to increase their efficiency under low solar radiation, allowing the control of the morphological and optical properties of ZnO nanostructures deposited on glass through ZnO seed layer deposition process. During the research, numerous characterizations have been carried out regarding the ZnO seed layers and nanowires samples like X-ray diffraction analysis and SEM images. Also, development of the spectrophotometric analysis, consisting in the variation of optical reflection and transmission with wavelengths in the range of 400-800 nm, for the ZnO seed layers and nanowires was carried out. The photovoltaic modular system with antireflective coating was tested for different amounts of radiation starting from 100 W/m2 to 1000 W/m2 in order to evaluate the efficiency under low solar radiation conditions.

Author(s):

Elena CHITANU    
National Institute for Research and Development in Electrical Engineering ICPE-CA
Romania

Lucian PISLARU-DANESCU    
National Institute for Research and Development in Electrical Engineering ICPE-CA
Romania

Lucia-Andreea EL-LEATHEY    
National Institute for Research and Development in Electrical Engineering ICPE-CA
Romania

Dorian MARIN    
National Institute for Research and Development in Electrical Engineering ICPE-CA
Romania

Rareș-Andrei CHIHAIA    
National Institute for Research and Development in Electrical Engineering ICPE-CA
Romania

Corina Alice BABUTANU    
National Institute for Research and Development in Electrical Engineering ICPE-CA
Romania

Virgil MARINESCU    
National Institute for Research and Development in Electrical Engineering ICPE-CA
Romania

Beatrice-Gabriela SBARCEA    
National Institute for Research and Development in Electrical Engineering ICPE-CA
Romania

 

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