Alloy nanoparticle plasmon resonance for enhancing broadband antireflection of laser-textured silicon surfaces

被引：20
|
作者：
Yang, Lanying [1 ]
Li, Xiong [2 ,3 ]
Tuo, Xianguo [1 ]
Thanh Thi Van Nguyen [4 ]
Luo, Xiangang [3 ]
Hong, Minghui [2 ]
机构：
[1] Chengdu Univ Technol, Coll Appl Nucl Technol & Automat Engn, Chengdu 610059, Peoples R China
[2] Natl Univ Singapore, Dept Elect & Comp Engn, Singapore 117576, Singapore
[3] Chinese Acad Sci, Inst Opt & Elect, State Key Lab Opt Technol Microfabricat, Chengdu 610209, Peoples R China
[4] Singapore MIT Alliance, Adv Mat Micro & Nanosyst Programme, Singapore 117576, Singapore
来源：
OPTICS EXPRESS | 2011年 / 19卷 / 14期
关键词：
SOLAR-CELLS;
D O I：
10.1364/OE.19.00A657
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
In this paper, Ag-Au alloy nanoparticles (NPs) were fabricated by dewetting process to enhance the broadband antireflection performance of textured silicon surfaces. The alloy NPs presented a large range of shapes and sizes, which provided an average reflectance (AR) below 4% over the spectral range of 300 similar to 1200 nm, a decrease of similar to 50% and similar to 90% as compared to the corresponding monometallic NPs and the original flat Si surfaces, respectively. The superior broadband antireflection demonstrated by the alloy NPs are attributed to the enhanced light trapping by alloy nanoparticle plasmon resonance. (C) 2011 Optical Society of America
引用
收藏
页码：A657 / A663
页数：7
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