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

被引：16

作者：

Zhou, Keya ^{[1
,2
]}

Guo, Zhongyi ^{[3
]}

Li, Xiaopeng ^{[1
]}

Jung, Jin-Young ^{[1
]}

Jee, Sang-Won ^{[1
]}

Park, Kwang-Tae ^{[1
]}

Um, Han-Don ^{[1
]}

Wang, Ning ^{[1
]}

Lee, Jung-Ho ^{[1
]}

机构：

[1] Hanyang Univ, Dept Chem Engn, Ansan 426791, Gyeonggi, South Korea

[2] Harbin Inst Technol, Dept Phys, Harbin 150001, Peoples R China

[3] Hefei Univ Technol, Sch Comp & Informat, Hefei 230009, Peoples R China

来源：

OPTICS EXPRESS | 2012年 / 20卷 / 19期

基金：

新加坡国家研究基金会;

关键词：

PHOTOVOLTAIC APPLICATIONS; ABSORPTION ENHANCEMENT; ARRAYS; LIGHT; GROWTH;

D O I：

10.1364/OE.20.00A777

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

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 similar to 20 nm resulted in the relative increase of similar to 5% in ultimate solar cell efficiency. (C) 2012 Optical Society of America

引用

页码：A777 / A787

页数：11

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