Light-Soaking-Free Inverted Polymer Solar Cells with an Efficiency of 10.5% by Compositional and Surface Modifications to a Low-Temperature-Processed TiO₂ Electron-Transport Layer

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• 作者：Yu Yan ; Feilong Cai ; Liyan Yang ; Jinghai Li ; Yiwei Zhang ; Fei Qin ; Chuanxi Xiong ; Yinhua Zhou ; David G. Lidzey and Tao Wang
• 刊名：Advanced Materials
• 出版年：2017
• 出版时间：January 4, 2017
• 年：2017
• 卷：29
• 期：1
• 全文大小：1399K
• ISSN：1521-4095

文摘

Compositional modification and surface treatments of a TiO₂ film prepared by a low-temperature route are carried out by a new promising method. Inverted polymer solar cells incorporating the post-treated TiO₂:TOPD electron-transport layer achieve the highest efficiency of 10.5%, and more importantly, eliminate the light-soaking problem that is commonly observed in metal-oxide-based inverted polymer solar cells.