Device lifetime improvement of polymer-based bulk heterojunction solar cells by incorporating copper oxide layer at Al cathode
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摘要Organic solar cells are commonly susceptible to degradation in air. We present that insertion of a thin layer of thermally evaporated copper oxide (CuOx) between the organic active layer and the Al cathode can greatly extend the lifetime of P3HT:PCBM based bulk heterojunction solar cells. The performance can be further improved by applying an interfacial bilayer of CuOx /LiF. Our results suggest that the CuOx functions not only as a charge transport layer but also as a protection layer, which prevents formation of thick organic-Al interdiffusion area. This leads to a more air-resistive cathode/organic interface. © 2011 American Institute of Physics.
著者Wang M., Xie F., Xie W., Zheng S., Ke N., Chen J., Zhao N., Xu J.B.
期刊名稱Applied Physics Letters
出版年份2011
月份5
日期2
卷號98
期次18
出版社American Institute of Physics
出版地United States
國際標準期刊號0003-6951
電子國際標準期刊號1077-3118
語言英式英語

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