Morphology Optimization of Silver Nanoparticles Used to Improve the Light Absorption in Thin-Film Silicon Solar Cells

被引：6
|
作者：
Duan, Zhiqiang [1 ,2 ]
Li, Meicheng [2 ,3 ]
Mwenya, Trevor [2 ]
Li, Yingfeng [2 ]
Song, Dandan [2 ]
机构：
[1] North China Elect Power Univ, Sch Math & Phys Sci, Beijing 102206, Peoples R China
[2] North China Elect Power Univ, Sch Renewable Energy, State Key Lab Alternate Elect Power Syst Renewabl, Beijing 102206, Peoples R China
[3] Chongqing Mat Res Inst, Chongqing 400707, Peoples R China
来源：
PLASMONICS | 2018年 / 13卷 / 02期
基金：
中国国家自然科学基金;
关键词：
Antireflection coatings; Geometric optical design; Thin films; Nanomaterials; ENHANCEMENT; FRONT;
D O I：
10.1007/s11468-017-0543-z
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Silver nanoparticle (NP) arrays are used as antireflection coating to enhance light trapping capability of thin-film silicon solar cells. In this paper, we theoretically investigate the differences of light absorption distribution between the silver NP (spherical and hemispherical) array layer and the crystalline silicon (CS) substrate. Compared to the naked silicon of the same thickness, the results show that only the flattened hemispherical silver NPs can really improve the light trapping ability and make the light absorption of CS body increase by 26%; the optimum ratio of lateral (NP diameter divided by the array periodicity) and longitudinal (NP height divided by diameter) are 0.86 and 0.22, respectively.
引用
收藏
页码：555 / 561
页数：7
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