Broadband and omnidirectional, nearly zero reflective photovoltaic glass.

Liu, Li-Qiang; Wang, Xiao-Lin; Jing, Min; Zhang, Shu-Guo; Zhang, Guo-Ying; Dou, Shi-Xue; Wang, Gang · Adv Mater · 2012

basic_science · Level V

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Abstract

A novel two-step etching approach is used to modify the surface layer of photovoltaic glasses, leading to a porous surface layer with a graded refractive index, and nearly 100% transmittance over a broad range of wavelengths, from ultraviolet to near infrared.