Long-lasting flexible organic solar cells stored and tested entirely in air

被引：12

作者：

Omrane, B. ^{[1
]}

Landrock, C. K. ^{[1
]}

Chuo, Y. ^{[1
]}

Hohertz, D. ^{[2
]}

Aristizabal, J. ^{[1
]}

Kaminska, B. ^{[1
]}

Kavanagh, K. L. ^{[2
]}

机构：

[1] Simon Fraser Univ, Dept Engn Sci, Burnaby, BC V5A 1S6, Canada

[2] Simon Fraser Univ, Dept Phys, Burnaby, BC V5A 1S6, Canada

来源：

APPLIED PHYSICS LETTERS | 2011年 / 99卷 / 26期

基金：

加拿大自然科学与工程研究理事会;

关键词：

diffusion; indium; indium compounds; oxidation; polymers; solar cells; X-ray photoelectron spectra; RAY PHOTOELECTRON-SPECTROSCOPY; INDIUM-TIN-OXIDE; ELECTRONIC-PROPERTIES; POLYMER; POLY(3-HEXYLTHIOPHENE); STABILITY; CHEMISTRY; LAYER;

D O I：

10.1063/1.3672222

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We report on improved stability of poly(3-hexylthiopene) (P3HT) and [6,6]-phenyl C-61 butyric acid methyl ester bulk heterojunction solar cells using an indium tin oxide (ITO) anode and an indium metal cathode. Except for the ITO anode the devices are fabricated, stored, and tested entirely in air without encapsulation, exhibiting less than 10% loss in power conversion efficiency after 200 days. X-ray photoelectron spectroscopy shows that this improvement in ambient stability is correlated with the diffusion of indium from the cathode into the active polymer. The In oxidizes presumably resulting in a reduction in P3HT polymer chain degradation. (C) 2011 American Institute of Physics. [doi: 10.1063/1.3672222]

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