Efficiency enhancement of solar cells by luminescent up-conversion of sunlight

被引:254
作者
Trupke, T. [1 ]
Shalav, A.
Richards, B. S.
Wuerfel, P.
Green, M. A.
机构
[1] Univ New S Wales, Ctr Excellence Adv Silicon Photovolta & Photon, Sydney, NSW 2052, Australia
[2] Univ Karlsruhe, Karlsruhe, Germany
关键词
up-conversion; silicon solar cells; limiting efficiency; QUANTUM EFFICIENCY; DIODES; LIGHT;
D O I
10.1016/j.solmat.2005.09.021
中图分类号
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号
0807 ; 0820 ;
摘要
Significant improvements in the efficiency of solar cells by combination with luminescent up- or down-converters have recently been predicted theoretically. Here, we extend the theoretical analysis of the limiting efficiency of the up-conversion (UC)-system to realistic Airmass spectra and analyse the spectral robustness of the UC-system. We also present initial experimental results from prototypes involving bifacial silicon solar cells with UC-phosphors attached to the rear surface, and discuss the possibility of realizing efficient UC with low-band-gap solar cells in combination with a light emitting diode. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码:3327 / 3338
页数:12
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