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题名: Nanostructured semiconductor solar absorbers with near 100% absorption and related light management picture
作者: Li, YL; Gao, PQ; Chen, Q; Yang, JM; Li, JS(栗军帅); He, DY(贺德衍)
收录类别: SCIE ; EI
出版日期: 2016-06-02
刊名: JOURNAL OF PHYSICS D-APPLIED PHYSICS
卷号: 49, 期号:21
出版者: IOP
出版地: BRISTOL
英文摘要: Optical behaviors of both polycrystalline silicon (Si) and gallium arsenide (GaAs) nanocone (NC)-capped nanowire (NW) arrays are systematically investigated and a full light management picture is presented. The study demonstrates that compared to shape-and environment-sensitive optical resonance modes, including leaky modes and guided longitudinal resonances, optimization of light harvesting based on light scattering is more operable to guide related device fabrication. Under this consideration, near 100% absorption above the bandgap energy is realized for GaAs NC-capped NW arrays with an effective thickness of only similar to 1000 nm through balancing antireflection and light scattering in the optical systems. Further study under oblique incidence shows that light absorption for the optimized NC-capped NW arrays is almost insensitive to the incident angle, indicating excellent omnidirectional light management in the NC-capped NW configuration.
关键词: light management ; semiconductor nanostructures ; light scattering ; antireflection ; optical resonances
作者部门: [Li, Yali ; Yang, Jiaming ; Li, Junshuai ; He, Deyan] Lanzhou Univ, Key Lab Special Funct Mat & Struct Design, Key Lab Magnetism & Magnet Mat, Minist Educ, 222 South Tianshui Rd, Lanzhou 730000, Peoples R China ; [Li, Yali ; Yang, Jiaming ; Li, Junshuai ; He, Deyan] Lanzhou Univ, Sch Phys Sci & Technol, 222 South Tianshui Rd, Lanzhou 730000, Peoples R China ; [Gao, Pingqi] Chinese Acad Sci, Ningbo Inst Mat Technol & Engn, Ningbo 315201, Zhejiang, Peoples R China ; [Chen, Qiang] Xiamen Univ, Inst Electromagnet & Acoust, Dept Elect Sci, Xiamen 361005, Peoples R China ; [Chen, Qiang] Xiamen Univ, Fujian Prov Key Lab Plasma & Magnet Resonance, Xiamen 361005, Peoples R China
通讯作者: Li, JS ; He, DY (reprint author), Lanzhou Univ, Key Lab Special Funct Mat & Struct Design, Key Lab Magnetism & Magnet Mat, Minist Educ, 222 South Tianshui Rd, Lanzhou 730000, Peoples R China. ; Li, JS ; He, DY (reprint author), Lanzhou Univ, Sch Phys Sci & Technol, 222 South Tianshui Rd, Lanzhou 730000, Peoples R China.
学科分类: Physics
文章类型: Article
所属项目编号: National Natural Science Foundation of China [11304132, 11304133, 61376068, 11405144] ; Specialized Research Fund of the Doctoral Program of Higher Education [20120211120003, 20130211120009] ; Fundamental Research Funds for the Central Universities [lzujbky-2013-36, lzujbky-2014-30]
所属项目名称: 国家自然科学基金项目 ; 高等学校博士学科点专项科研基金 ; 中央高校基本科研业务费专项资金
项目资助者: NSFC ; MOE ; LZU
语种: 英语
DOI: 10.1088/0022-3727/49/21/215104
ISSN号: 0022-3727
WOS记录号: WOS:000375265400009
EI记录号: 20162202446639
IR记录号: WOS:000375265400009
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内容类型: 期刊论文
URI标识: http://ir.lzu.edu.cn/handle/262010/181607
Appears in Collections:物理科学与技术学院_期刊论文

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Recommended Citation:
Li, YL,Gao, PQ,Chen, Q,et al. Nanostructured semiconductor solar absorbers with near 100% absorption and related light management picture[J]. JOURNAL OF PHYSICS D-APPLIED PHYSICS,2016,49(21).
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