Light Trapping by Ag Nanoparticles Chemically Assembled inside Thin-Film Hydrogenated Microcrystalline Si Solar Cells

被引：11
|
作者：
Mizuno, Hidenori [1 ]
Sai, Hitoshi [1 ]
Matsubara, Koji [1 ]
Kondo, Michio [1 ]
机构：
[1] Natl Inst Adv Ind Sci & Technol, Res Ctr Photovolta Technol, Tsukuba, Ibaraki 3058568, Japan
来源：
JAPANESE JOURNAL OF APPLIED PHYSICS | 2012年 / 51卷 / 04期
关键词：
SILVER NANOPARTICLES; SILICON; PLASMONICS;
D O I：
10.1143/JJAP.51.042302
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
A systematic study on the Ag nanoparticle (NP)-mediated light trapping in thin film hydrogenated microcrystalline Si (mu c-Si:H) solar cells is described. In this study, a unique wet-chemical approach was applied to allow the assembly of light scattering Ag NPs inside the rear ZnO:Ga layer of mu c-Si:H solar cells in a controlled manner. It was confirmed that both the surface coverage by the Ag NPs and the location of the Ag NPs in the ZnO: Ga layer have significant impacts on the final light trapping effect. By optimizing these two parameters, a 75% higher current density generated in the near-infrared range (700-1100 nm) was achieved in a Ag NP-incorporated cell compared with a cell without the Ag NP incorporation. (C) 2012 The Japan Society of Applied Physics
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页数：5
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