Light absorption enhancement of amorphous silicon film coupled with metal nanoshells

被引：11
|
作者：
Cheng, Peihong [1 ]
Zhao, Hongxia [1 ]
Bao, Jilong [1 ]
Wu, Ligang [1 ]
Li, Dongsheng [2 ,3 ]
Yang, Deren [2 ,3 ]
机构：
[1] Ningbo Univ Technol, Sch Elect & Informat Engn, Ningbo 315016, Zhejiang, Peoples R China
[2] Zhejiang Univ, State Key Lab Silicon Mat, Hangzhou 310027, Zhejiang, Peoples R China
[3] Zhejiang Univ, Dept Mat Sci & Engn, Hangzhou 310027, Zhejiang, Peoples R China
来源：
JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS | 2013年 / 30卷 / 02期
基金：
中国国家自然科学基金;
关键词：
SOLAR-CELL; DESIGN;
D O I：
10.1364/JOSAB.30.000405
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Increasing the light absorption in the weakly absorbing near-bandgap region is of great significance for improving efficiency in a thin-film silicon solar cell. In this study, light absorption enhancement near the infrared domain was realized by coating Ag nanoshells on the front side of amorphous silicon film. Detailed investigations prove that the enhancement can be related to the excitation of localized surface plasmons (LSPs). LSP scattering-induced light coupling in the guided mode, intense in-phase interference between the scattering field and the transmitted field, and the Floquet mode were observed in the simulated E-field profile, and the significant absorption enhancement was accounted for by these effects. (C) 2013 Optical Society of America
引用
收藏
页码：405 / 409
页数：5
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