Polaron recombination in pristine and annealed bulk heterojunction solar cells

被引：104

作者：

Deibel, C. ^{[1
]}

Baumann, A. ^{[1
]}

Dyakonov, V. ^{[1
,2
]}

机构：

[1] Univ Wurzburg, D-97074 Wurzburg, Germany

[2] Bavarian Ctr Appl Energy Res ZAE Bayern, D-97074 Wurzburg, Germany

来源：

APPLIED PHYSICS LETTERS | 2008年 / 93卷 / 16期

关键词：

D O I：

10.1063/1.3005593

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We determined the dominant polaron recombination loss mechanism in pristine and annealed polythiophene:fullerene blend solar cells by applying the photoinduced charge extraction by linearly increasing voltage method in dependence on temperature. In pristine samples, we find a strongly temperature-dependent bimolecular polaron recombination rate, which is reduced as compared to the Langevin theory. For the annealed sample, we observe a polaron decay rate which follows a third order of carrier concentration almost temperature independently. (C) 2008 American Institute of Physics. [DOI: 10.1063/1.3005593].

引用

页数：3

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