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题名: Efficiency improvement in Si thin film solar cells by employing composite nanocone-shaped grating structure
作者: Zhang, Z; Qiu, BC(仇伯仓); Shao, B(邵彪); Wu, XM; Zhang, RY(张瑞英)
通讯作者: Zhang, Z
刊名: JAPANESE JOURNAL OF APPLIED PHYSICS
发表日期: 2015
DOI: 10.7567/JJAP.54.062301
卷: 54, 期:6, 页:5
收录类别: SCI
部门归属: 纳米器件及相关材料研究部
英文摘要: The improvement in both the light absorption and energy conversion efficiency for thin film silicon solar cells by employing Al2O3/Si or SiN/Si composite nanocone-shaped gratings (CNCG) is theoretically studied. Our results show that the enhancement of the absorption and efficiency for Si thin film solar cells decorated by CNCG is mainly dominated by the nanocone-shaped gratings, but slightly fluctuated with the dielectric cladding layer and its thickness. The performance improvement is more significant using SiN/Si CNCG than using Al2O3/Si CNCG. The highest conversion efficiency of 6.60 and 9.53% are achieved in 1-mu m-thick solar cells with SiN (120 nm)/Si CNCG and 2-mu m-thick Si solar cells with SiN (90 nm)/Si CNCG respectively, which are compared to the conversion efficiencies of 3.23 and 3.96% for their planar counterparts. When the surface passivation effect is considered, the conversion efficiency should be enhanced more. (C) 2015 The Japan Society of Applied Physics
语种: 英语
JCR小类分区: 四区
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内容类型: 期刊论文
URI标识: http://ir.sinano.ac.cn/handle/332007/3361
Appears in Collections:纳米器件及相关材料研究部_董建荣团队_期刊论文

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Recommended Citation:
Zhang, Z,Qiu, BC,Shao, B,et al. Efficiency improvement in Si thin film solar cells by employing composite nanocone-shaped grating structure[J]. JAPANESE JOURNAL OF APPLIED PHYSICS,2015,54(6):5.
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