ZnO:Al cathode for highly efficient, semitransparent 4% organic solar cells utilizing TiOx and aluminum interlayers

被引：53

作者：

Bauer, Andreas ^{[1
]}

Wahl, Tina ^{[1
]}

Hanisch, Jonas ^{[1
]}

Ahlswede, Erik ^{[1
]}

机构：

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

来源：

APPLIED PHYSICS LETTERS | 2012年 / 100卷 / 07期

关键词：

CONTACTS; KR; AR;

D O I：

10.1063/1.3685718

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We report on the fabrication of highly efficient, semitransparent bulk heterojunction solar cells comprising poly[[9-(1-octylnonyl)-9h-carbazole-2,7-diyl]-2,5-thiophenediyl-2,1,3-benzothiadiazole-4,7-diyl-2,5-thiophenediyl] (PCDTBT) blended with [6,6]-phenyl-C71-butyric acid methyl (PC71BM) esters as active layer. As semitransparent cathode sputtered aluminum doped ZnO was used in combination with a sputter damage preventing, thin (8 nm) TiOx layer processed from solution and a sputtered aluminum interlayer (ALI). The short circuit current improves for thicker ALIs due to increased reflectance at the cathode leading to average efficiencies of 4.0% for semitransparent solar cells. Comparable results (3.9%) were achieved for devices comprising thick absorbers and thin ALIs. (C) 2012 American Institute of Physics. [doi:10.1063/1.3685718]

引用

页数：3

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