Cadmium-free copper indium gallium diselenide hybrid solar cells comprising a 2-(4-biphenylyl)-5-(4-tert-butylphenyl)-1,3,4-oxadiazole buffer layer

被引：5

作者：

Reinhard, Manuel ^{[1
]}

Simon, Christoph ^{[1
]}

Kuhn, Johannes ^{[1
]}

Buerkert, Linda ^{[2
]}

Cemernjak, Marco ^{[3
]}

Dimmler, Bernhard ^{[2
]}

Lemmer, Uli ^{[1
]}

Colsmann, Alexander ^{[1
]}

机构：

[1] Karlsruhe Inst Technol, Light Technol Inst, D-76131 Karlsruhe, Germany

[2] Manz CIGS Technol GmbH, D-74523 Schwabisch Hall, Germany

[3] Zentrum Sonnenenergie & Wasserstoff Forsch Baden, D-70565 Stuttgart, Germany

来源：

APPLIED PHYSICS LETTERS | 2013年 / 102卷 / 06期

关键词：

HIGH-EFFICIENCY; DEPOSITION; POLYMER;

D O I：

10.1063/1.4792507

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Copper indium gallium diselenide (CIGS) solar cells are the most efficient thin film photovoltaic devices today. In this work, we investigate CIGS/organic hybrid solar cells comprising a semi-transparent metal top electrode and a wide band gap organic semiconductor as buffer layer. Depositing the organic semiconductor from solution, we fabricate Cd-free solar cells exhibiting about the same efficiency as their counterparts comprising CdS and significantly higher open-circuit voltages as compared to buffer-free devices. Although the organic molecules do not cover the CIGS surface homogeneously, their use enables prolonged charge carrier lifetimes according to impedance spectroscopy measurements. (C) 2013 American Institute of Physics. [http://dx.doi.org/10.1063/1.4792507]

引用

页数：4

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