Using an easy interface passivation layer to improve performance of inverted polymer solar cells

被引：1
|
作者：
Lu, Fangbin [1 ]
Han, Wenbin [1 ]
Ren, Guanhua [1 ]
Guo, Jiaxin [1 ]
Zhou, Yue [1 ]
Shen, Liang [1 ]
Guo, Wenbin [1 ]
机构：
[1] Jilin Univ, Coll Elect Sci & Engn, State Key Lab Integrated Optoelect, 2699 Qianjin St, Changchun 130012, Jilin, Peoples R China
来源：
MATERIALS LETTERS | 2019年 / 250卷
基金：
中国国家自然科学基金;
关键词：
Solar energy materials; Interfaces; Thin films; CS2CO3;
D O I：
10.1016/j.matlet.2019.04.126
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this letter, the efficiency enhancement of polymer solar cells is achieved via interface modification. The Cs2CO3 is incorporated onto TiO2 electron transport layer, which leads to an increase of power conversion efficiency from 5.25% to 6.88%. The introduction of Cs2CO3 modification layer can improve the contact between active layer and electron transport layer, and the ultrathin Cs2CO3 layer hardly hinders the electron transport due to the quantum tunneling effect, resulting in the improvement of short circuit current and the fill factor. (C) 2019 Elsevier B.V. All rights reserved.
引用
收藏
页码：112 / 115
页数：4
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