Long-term stability of tandem solar cells containing small organic molecules

被引：40

作者：

Franke, R. ^{[1
]}

Maennig, B. ^{[1
]}

Petrich, A. ^{[2
]}

Pfeiffer, M. ^{[1
]}

机构：

[1] Heliatek GmbH, D-01187 Dresden, Germany

[2] Tech Univ Dresden, Inst Angew Photophys, D-01062 Dresden, Germany

来源：

SOLAR ENERGY MATERIALS AND SOLAR CELLS | 2008年 / 92卷 / 07期

关键词：

tandem solar cell; organic molecules; phthalocyanine; fullerene; degradation; stability; photovoltaics;

D O I：

10.1016/j.solmat.2007.12.001

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：

In this paper, we discuss long-term stability measurements of tandem solar cells with mixed phthalocyanine: fullerene photoactive layers that exhibit an initial power conversion efficiency of about 4%. These devices are remarkably stable against exposure to halogen light as their power conversion efficiency decreases by less than 3% within more than 1400 In of permanent illumination at an intensity of approximately 185 mW/cm(2) at 50 degrees C. In addition, long-term stability measurements at an elevated temperature of 85 degrees C are performed. In comparison to the illumination experiment, the cells show a much faster degradation which is attributed to the low glass transition temperature of the hole transport layer. (c) 2007 Elsevier B.V. All rights reserved.

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收藏

页码：732 / 735

页数：4

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