PHOTOSTABLE SOLAR CONCENTRATORS BASED ON FLUORESCENT GLASS-FILMS

被引：84

作者：

REISFELD, R ^{[1
]}

SHAMRAKOV, D ^{[1
]}

JORGENSEN, C ^{[1
]}

机构：

[1] UNIV GENEVA,DEPT CHIM MINERALE ANALYT & APPL,CH-1211 GENEVA 4,SWITZERLAND

来源：

SOLAR ENERGY MATERIALS AND SOLAR CELLS | 1994年 / 33卷 / 04期

关键词：

D O I：

10.1016/0927-0248(94)90002-7

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：

Efficient luminescent solar concentrators (LSC) were prepared by deposition of organically modified sol-gel films doped by photostable perylimide dyes on plexiglas substrates. The absorption spectra of these dyes extends from 420 to 620 nm covering the visible part of the solar spectrum and the emission is between 550 and 750 nm, close to the optimum response of silicon and gallium arsenide solar cells. The efficiency of this type of collector was calculated from the absorption coefficients, quantum efficiency of the fluorescence and the overlap between emission and absorption spectra by the method of Monte-Carlo and found to be close to 20%. Optimum concentrations are shown to be strongly dependent on the extent of overlap between the absorption and the emission spectra, which also appears to be the limiting factor in respect to the efficiency of the concentrator.

引用

页码：417 / 427

页数：11

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