Effective light trapping in thin film silicon solar cells from textured Al doped ZnO substrates with broad surface feature distributions
Effective light trapping in thin film silicon solar cells from textured Al doped ZnO substrates with broad surface feature distributions
复制标题
具有宽表面特征分布的织构化 Al 掺杂 ZnO 基板在薄膜硅太阳能电池中的有效光捕获
DOI:
10.1063/1.4731775
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发表时间:
2012-06
影响因子:
4
通讯作者:
Zhao, Ying
中科院分区:
文献类型:
--
作者:
Wang, Yanfeng;Zhang, Xiaodan;Bai, Lisha;Huang, Qian;Wei, Changchun;Zhao, Ying
We used a multi-step process to make aluminum-doped ZnO (AZO) films with a wide range distribution of textures for light trapping in thin film silicon solar cells, which includes AZO deposition, HCl etching, AZO re-deposition, and HCl re-etching. The large features created by the first etching provide an effective light trapping for long wavelength light; the small features from the second etching enhances the short wavelength light trapping. Microcrystalline silicon solar cells deposited on the above-mentioned AZO show an improved photocurrent density without loss in the open-circuit voltage and fill factor, resulting in an overall increase in efficiency by 14.64%.
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