Journal
SOLAR ENERGY MATERIALS AND SOLAR CELLS
Volume 262, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.solmat.2023.112560
Keywords
Solar; Soiling; Self-cleaning; Coating; Nanoporous; Sol-gel
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This paper presents the application and field trial results of nanoporous metal oxide ceramic coatings prepared using sol-gel techniques on solar photovoltaic modules. The coatings impart anti-static properties, improve wetting behavior, and degrade soiling deposits through photocatalytic activity. The results of the trial are significant for the commercialization of this coating technology and provide motivation for further research and development efforts.
Nanoporous metal oxide ceramic coatings, deposited using sol-gel techniques, have the potential to impart selfsintering and self-cleaning coatings to silicon oxide glass. When used on solar photovoltaic modules, these coatings can impart anti-static properties, improve wetting behavior, and degrade soiling deposits through photocatalytic activity. This paper reports on a field trial of a mixed silicon and titanium oxide thin film coating conducted in the upper midwestern U.S. Coated modules demonstrated increased electrical generation relative to uncoated controls. The results are encouraging for the commercialization of this coating technology, and provide a strong motivation for further research and development efforts.
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