The tradeoff between plasmonic enhancement and optical loss in silicon nanowire solar cells integrated in a metal back reflector | Zendy

Keya Zhou | Zendy; Zhongyi Guo | Zendy; Xiaopeng Li | Zendy; JinYoung Jung | Zendy; SangWon Jee | Zendy; KwangTae Park | Zendy; HanDon Um | Zendy; Ning Wang | Zendy; JungHo Lee | Zendy

Open Access

The tradeoff between plasmonic enhancement and optical loss in silicon nanowire solar cells integrated in a metal back reflector

Author(s) -

Keya Zhou,

Zhongyi Guo,

Xiaopeng Li,

JinYoung Jung,

SangWon Jee,

KwangTae Park,

HanDon Um,

Ning Wang,

JungHo Lee

Publication year - 2012

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.20.00a777

Subject(s) - materials science , reflector (photography) , plasmon , optics , silicon , optoelectronics , plasmonic solar cell , solar cell , nanowire , polymer solar cell , physics , light source

We perform a systematic numerical study to characterize the tradeoff between the plasmonic enhancement and optical loss in periodically aligned, silicon nanowire (SiNW) arrays integrated with a silver back reflector (Ag BR). Optimizing the embedded depth of the wire bottoms into a silver reflector achieved a highly efficient SiNW solar cell. Compared to the SiNW solar cell employing a flat back reflector, the embedded depth of ~20 nm resulted in the relative increase of ~5% in ultimate solar cell efficiency.

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