Advanced photon-harvesting concepts for low-energy gap organic solar cells

被引:84
作者
Koeppe, R.
Bossart, O.
Calzaferri, G.
Sariciftci, N. S.
机构
[1] Linz Inst Organ Solar Cells, A-4040 Linz, Austria
[2] Univ Bern, Dept Chem & Biochem, CH-3012 Bern, Switzerland
基金
奥地利科学基金会;
关键词
photon harvesting; energy transfer; organic; solar cell; zeolite L;
D O I
10.1016/j.solmat.2007.01.008
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
Organic semiconductors usually show high absorption coefficients only over a limited spectral range. This has to be taken into account when designing organic solar cells with low-energy gap absorbers, as it is likely that these cells will have reduced harvesting abilities for photons of higher energy. We will present two routes to tackle this problem via luminescence and energy transfer and outline three novel concepts of how to integrate these mechanisms. We use an efficient low-energy gap organic solar cell based on zinc-phthalocyanine and fullerene C-60 as a model system. (c) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码:986 / 995
页数:10
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