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	Evaluation of thermal radiation dependent performance of gasb thermophotovoltaic cell based on an analytical absorption coefficient model
	Wang, Y.1; Chen, N. F.2; Zhang, X. W.1; Huang, T. M.1; Yin, Z. G.1; Wang, Y. S.1; Zhang, H.1
刊名	Solar energy materials and solar cells
	2010-10-01
卷号	94期号:10页码:1704-1710
关键词	Thermophotovoltaic Gallium antimonide Absorption coefficient
ISSN号	0927-0248
DOI	10.1016/j.solmat.2010.05.032
通讯作者	Wang, y.(ywang@semi.ac.cn)
英文摘要	Applying the model dielectric function method, we have expressed the absorption coefficient of gasb analytically at room temperature relating to the contribution of various critical points of its electronic band structure. the calculated absorption spectrum shows good agreement with the reported experimental data obtained by spectral ellipsometry on nominally undoped sample. based on this analytical absorption spectrum, we have qualitatively evaluated the response of active absorbing layer structure and its photoelectric conversion properties of gasb thermophotovoltaic device on the perturbation of external thermal radiation induced by the varying radiator temperature or emissivity. our calculation has demonstrated that desirable thickness to achieve the maximum conversion efficiency should be decreased with the increment of radiator temperature and the performance degradation brought by any structure deviation from its optimal one would be stronger meanwhile. for the popular radiator temperature, no more than 1500 k in a real solar thermophotovoltaic system, and typical doping profile in gasb cell, a reasonable absorbing layer structure parameter should be controlled within 100-300 nm for the emitter while 3000-5000 nm for the base. (c) 2010 elsevier b.v. all rights reserved.
WOS关键词	OPTICAL DIELECTRIC FUNCTION ; SPECTRAL ELLIPSOMETRY ; DISPERSION-RELATIONS ; TPV CONVERTERS ; GAAS ; INP ; INSB ; ALXGA1-XAS ; SIMULATION ; PARAMETERS
WOS研究方向	Energy & Fuels ; Materials Science ; Physics
WOS类目	Energy & Fuels ; Materials Science, Multidisciplinary ; Physics, Applied
语种	英语
出版者	ELSEVIER SCIENCE BV
WOS记录号	WOS:000281074800022
内容类型	期刊论文
URI标识	http://www.corc.org.cn/handle/1471x/2427909
专题	半导体研究所
通讯作者	Wang, Y.
作者单位	1.Chinese Acad Sci, Inst Semicond, Key Lab Semicond Mat Sci, Beijing 100083, Peoples R China 2.N China Elect Power Univ, Sch Renewable Energy Engn, Beijing 102206, Peoples R China
推荐引用方式 GB/T 7714	Wang, Y.,Chen, N. F.,Zhang, X. W.,et al. Evaluation of thermal radiation dependent performance of gasb thermophotovoltaic cell based on an analytical absorption coefficient model[J]. Solar energy materials and solar cells,2010,94(10):1704-1710.
APA	Wang, Y..,Chen, N. F..,Zhang, X. W..,Huang, T. M..,Yin, Z. G..,...&Zhang, H..(2010).Evaluation of thermal radiation dependent performance of gasb thermophotovoltaic cell based on an analytical absorption coefficient model.Solar energy materials and solar cells,94(10),1704-1710.
MLA	Wang, Y.,et al."Evaluation of thermal radiation dependent performance of gasb thermophotovoltaic cell based on an analytical absorption coefficient model".Solar energy materials and solar cells 94.10(2010):1704-1710.

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