Enhancement of inverted polymer solar cells with solution-processed ZnO-TiOx composite as cathode buffer layer

被引：50

作者：

Liu, Jian ^{[1
]}

Shao, Shuyan ^{[1
]}

Meng, Bin ^{[1
]}

Fang, Gang ^{[1
]}

Xie, Zhiyuan ^{[1
]}

Wang, Lixiang ^{[1
]}

Li, Xinglin ^{[2
]}

机构：

[1] Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Polymer Phys & Chem, Grad Sch, Changchun 130022, Peoples R China

[2] Chinese Acad Sci, Changchun Inst Appl Chem, Natl Analyt Ctr Electrochem & Spect, Changchun 130022, Peoples R China

来源：

APPLIED PHYSICS LETTERS | 2012年 / 100卷 / 21期

基金：

中国国家自然科学基金;

关键词：

PHOTOVOLTAIC CELLS; EFFICIENT; DEGRADATION; INTERLAYER; NETWORK;

D O I：

10.1063/1.4722800

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Solution-processed zinc oxide (ZnO) nanocrystal modified with titanium oxide (TiOx) precursor is introduced as cathode interfacial layer in inverted bulk-heterojunction polymer solar cells. The resultant inverted polymer solar cell exhibits an open-circuit voltage of 0.87 V, a fill factor of 0.67, and an overall power conversion efficiency of 6.53%, respectively, higher than those of the control cells with sole ZnO or TiOX as the cathode interfacial layers. Further studies verify that the improved morphology and electronic structure of ZnO-TiOX composite layer favors reducing shunt loss and interfacial charge recombination and hence enhancing the photovoltaic performance. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4722800]

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页数：3

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