Design of a plasmonic back reflector for silicon nanowire decorated solar cells

Rui Ren, Yongxin Guo, Rihong Zhu

Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review

20 Citations (Scopus)

Abstract

This Letter presents a crystalline silicon thin film solar cell model with Si nanowire arrays surface decoration and metallic nanostructure patterns on the back reflector. The nanostructured Ag back reflector can significantly enhance the absorption in the near-infrared spectrum. Furthermore, by inserting a ZnO:Al layer between the silicon substrate and nanostructured Ag back reflector, the absorption loss in the Ag back reflector can be clearly depressed, contributing to a maximum Jsc of 28.4 mA/cm2. A photocurrent enhancement of 22% is achieved compared with a SiNW solar cell with a planar Ag back reflector. © 2012 Optical Society of America.
Original languageEnglish
Pages (from-to)4245-4247
JournalOptics Letters
Volume37
Issue number20
DOIs
Publication statusPublished - 15 Oct 2012
Externally publishedYes

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