A contribution to the optical design of dye-sensitized nanocrystalline solar cells

被引:247
作者
Rothenberger, G [1 ]
Comte, P [1 ]
Grätzel, M [1 ]
机构
[1] Ecole Polytech Fed Lausanne, Dept Chim, Lab Photon & Interfaces, CH-1015 Lausanne, Switzerland
关键词
dye-sensitized solar cells; nanoporous films; optical properties of thin films; multiple light scattering;
D O I
10.1016/S0927-0248(99)00015-X
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
The absorption of a large fraction of the incident solar radiation by the photoactive layer of dye-sensitized, liquid-junction photovoltaic cells is an important factor for achieving useful photoelectric conversion efficiencies. A model is presented that estimates the enhancement of optical absorption that can be obtained from light scattering in the porous nanocrystalline films used in these cells and from reflection at the back electrode. The model is applied to the optical characterization of two films, a transparent, and a strongly scattering porous titania sample. (C) 1999 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:321 / 336
页数:16
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