Fabrication of broadband quasi-omnidirectional antireflective surface on glass for photovoltaic application

Kumar, A and Kumar, P and Srinivas, G and Khan, G H J and Siju, - and Barshilia, Harish C (2016) Fabrication of broadband quasi-omnidirectional antireflective surface on glass for photovoltaic application. In: AIP Conference Proceedings.

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Official URL: https://aip.scitation.org/doi/abs/10.1063/1.494788...

Abstract

In this paper, we have demonstrated a simple and cost effective HF-vapor phase etching method to fabricate the broadband quasi-omnidirectional antireflective surface on glass substrate. Both-sides etched sodalime glass substrates under optimized conditions showed a broadband enhancement in the transmittance spectra with maximum transmittance as high as ~97% at 598 nm. FESEM results confirmed the formation of a graded nanoporous surface, which lowers it refractive index. The etched surface exhibited excellent AR property over a wide range of incidence angles (8°-48°), which is attributed due to the formation of graded porosity. Silicon solar cell covered with plain glass showed Isc of 0.123A and efficiency of 8.76%, while it showed Isc of 0.130A and efficiency of 9.2% when it was covered by etched glass. Furthermore, it exhibited an excellent anti-soiling property as compared to plain glass. All these results show its strong potential in the photovoltaic application.

Item Type: Conference or Workshop Item (Paper)
Subjects: CHEMISTRY AND MATERIALS > Chemistry and Materials (General)
CHEMISTRY AND MATERIALS > Composite Materials
Depositing User: Mrs SK Pratibha
Date Deposited: 29 Mar 2019 04:45
Last Modified: 29 Mar 2019 04:45
URI: http://nal-ir.nal.res.in/id/eprint/12982

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