Low temperature efficient interconnecting layer for tandem polymer solar cells

被引:34
|
作者
Mitul, Abu Farzan [1 ]
Mohammad, Lal [1 ]
Venkatesan, Swaminathan [1 ]
Adhikari, Nirmal [1 ]
Sigdel, Sudhan [1 ]
Wang, Qi [1 ]
Dubey, Ashish [1 ]
Khatiwada, Devendra [1 ]
Qiao, Qiquan [1 ]
机构
[1] S Dakota State Univ, Dept Elect Engn, Ctr Adv Photovolta, Brookings, SD 57007 USA
基金
美国国家科学基金会;
关键词
Tandem structure; Interconnecting layer; Polymer solar cells; PEIE; PERFORMANCE;
D O I
10.1016/j.nanoen.2014.09.026
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Tandem solar cells are found to be promising in organic photovoltaic research because they can double open-circuit voltage (V-oc) and utilize photon energy efficiently, as compared to single junction solar cells. In a typical tandem polymer solar cell, two single subcells are staked and connected by an interconnecting layer, which is a prerequisite to achieving high photo-electron conversion efficiency. In this work, a low temperature solution processed and chemically stable PEDOT:PSS/AZO/PEIE interconnecting layer is reported. Tandem polymer solar cells based on this efficient layer can realize a high V-oc, which can sum the V-oc's of subcells. Furthermore, the operation mechanism of the interconnecting layer is discussed to help better understand the electron recombination process in the interconnecting layer. (C) 2014 Published by Elsevier Ltd.
引用
收藏
页码:56 / 63
页数:8
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