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题名: Effective light trapping by hybrid nanostructure for crystalline silicon solar cells
作者: Liu, Yahui1;  Zi, Wei1;  Liu, Shengzhong (Frank)1, 2;  Yan, Baojie1, 2
关键词: Silicon ;  Solar cell ;  Light trapping ;  Ag nanoparticle ;  Surface plasmon resonance ;  Quantum efficiency
刊名: SOLAR ENERGY MATERIALS AND SOLAR CELLS
发表日期: 2015-09-01
DOI: 10.1016/j.solmat.2015.04.019
卷: 140, 页:180-186
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Technology ;  Physical Sciences
类目[WOS]: Energy & Fuels ;  Materials Science, Multidisciplinary ;  Physics, Applied
研究领域[WOS]: Energy & Fuels ;  Materials Science ;  Physics
英文摘要: Ag nanoparticles (NPs), as etching catalyst,. are applied onto the pyramid textured surface of the semi-finished single crystalline silicon solar cell by spraying a solution containing AgNO3 and sodium citrate. Upon chemical etching, nanopits are formed with the Ag NPs staying inside of the nanopits. Complete solar cells with and without the Ag-assisted etching are fabricated to study the effects of the hybrid nanostructure. It is found that the optical reflection is effectively reduced by the nanostructure and the incident light is harvested more effectively for enhanced external quantum efficiency (EQE) by as much as 17% for the cells before the SiNx anti-reflection coating, and the EQE can be further enhanced by applying an electric bias 1 V during the EQE measurement. It is believed that when the solar cell with the Ag NPs is illuminated, the local surface plasmon resonance (LSPR) is induced at the specific wavelength regions around 405 and 810 nm. For ultraviolet light, the LSPR effect dominates the increases of the EQE while the effective medium effect is also believed to be responsible for the effective light trapping. (C) 2015 Elsevier B.V. All rights reserved.
关键词[WOS]: ENHANCED RAMAN-SCATTERING ;  CORE-SHELL NANOSTRUCTURE ;  PHOTOVOLTAIC DEVICES ;  CHARGE-CARRIERS ;  NANOWIRE ARRAYS ;  SURFACE ;  METAL ;  NANOPARTICLES ;  SEMICONDUCTOR ;  GOLD
语种: 英语
WOS记录号: WOS:000356746800025
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/146358
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Shaanxi Normal Univ, Inst Adv Energy Mat, Sch Mat Sci & Engn, Key Lab Appl Surface & Colloid Chem,Natl Minist E, Xian 710119, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian Natl Lab Clean Energy, Dalian 116023, Peoples R China

Recommended Citation:
Liu, Yahui,Zi, Wei,Liu, Shengzhong ,et al. Effective light trapping by hybrid nanostructure for crystalline silicon solar cells[J]. SOLAR ENERGY MATERIALS AND SOLAR CELLS,2015,140:180-186.
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