Fabrication of ultra-low antireflection SiNWs arrays from mc-Si using one step MACE
Fabrication of ultra-low antireflection SiNWs arrays from mc-Si using one step MACE
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使用一步 MACE 从多晶硅制造超低反射 SiNW 阵列
DOI:
10.1007/s10854-017-6573-7
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发表时间:
2017-02
期刊:
影响因子:
--
通讯作者:
Ma WH
中科院分区:
文献类型:
--
作者:
Zhang Cong;Li Shaoyuan;Ma Wenhui;Yang Jia;Zhang Cong;Li Shaoyuan;Ma Wenhui;Wan Xiaohan;Yang Jia;Chen Zhengjie;Zou Yuxin;Qiu Jiajia;Ding Zhao;Li SY;Ma WH;Li SY;Ma WH
In this work, SiNWs arrays were fabricated from mc-Si wafer using one step nano-silver catalyzed chemical etching method. The effect of AgNO3concentration on morphology structure, antireflection property and effective carrier lifetime of textured mc-Si were carefully studied. The results indicate that the length and inter spacing of SiNWs arrays are conducive for improving antireflection property of SiNWs arrays, but the increasing etching seriously deteriorates effective carrier lifetime. Moreover, KOH correction of SiNWs was performed to further reduce the reflectance loss, which is also conducive to reduce the photo-generated carrier recombination. Under preference immersion time of 240 s, a large scale SiNWs arrays with the ultra-low antireflection ability of ~3.4% and excellent effective carrier lifetime of 3.30 μs can be obtained, which shows a great significance for producing high-efficiency polysilicon solar cells.
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影响因子:
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作者:
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通讯作者:
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作者:
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