Highly conductive PEDOT:PSS transparent electrode prepared by a post-spin-rinsing method for efficient ITO-free polymer solar cells

被引：80
作者：
Zhang, Xiaoqin [1 ,2 ]
Wu, Jiang [1 ]
Wang, Jiantai [1 ,2 ]
Zhang, Jun [1 ,2 ]
Yang, Qingqing [1 ,2 ]
Fu, Yingying [1 ]
Xie, Zhiyuan [1 ]
机构：
[1] Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Polymer Phys & Chem, Changchun 130022, Peoples R China
[2] Univ Chinese Acad Sci, Beijing 100039, Peoples R China
来源：
SOLAR ENERGY MATERIALS AND SOLAR CELLS | 2016年 / 144卷
基金：
中国国家自然科学基金;
关键词：
Conductivity; Spin-rinsing; Transparent electrode; Polymer solar cell; TO-ROLL FABRICATION; THIN-FILMS; PEDOT/PSS FILMS; LARGE-AREA; GRAPHENE;
D O I：
10.1016/j.solmat.2015.08.039
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
We have proposed a post-spin-rinsing method (PSRM) with polar organic solvent dimethyl sulfoxide (DMSO) to prepare highly conductive and transparent PEDOT:PSS films. The PSRM-prepared PEDOT:PSS film exhibits a conductivity of 1335 S cm(-1), much higher than 776 S cm(-1) of the PEDOT:PSS film prepared with the conventional pre-adding method (PAM). In contrast to the PAM, the PSRM with DMSO is more effective to remove the insulating PSS and push the PEDOT chains from coiled to a linear/extended-coil alignment with conformation change from a benzoid structure to a more conductive quinoid structure, leading to an enhanced conductivity of the PEDOT:PSS film. The highly conductive PEDOT:PSS film is used as transparent electrode to fabricate indium tin oxide-free polymer solar cells and a power conversion efficiency of 4.82% is achieved for polymer solar cells based on PCDTBT:PC71BM blend. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码：143 / 149
页数：7
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