Effects of solvent-treated PEDOT:PSS on organic photovoltaic devices

被引：58
作者：
Hu, Ziyang [1 ,2 ]
Zhang, Jianjun [2 ]
Zhu, Yuejin [1 ]
机构：
[1] Ningbo Univ, Dept Phys, Ningbo 315211, Zhejiang, Peoples R China
[2] Nankai Univ, Inst Photo Elect Thin Film Devices & Technol, Tianjin 300071, Peoples R China
来源：
RENEWABLE ENERGY | 2014年 / 62卷
基金：
美国国家科学基金会;
关键词：
Organic photovoltaic; Morphology; Conductivity; PEDOT:PSS; POLYMER SOLAR-CELLS; BUFFER LAYERS; CONDUCTIVITY; MORPHOLOGY; PERFORMANCE;
D O I：
10.1016/j.renene.2013.06.042
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
We investigated the effects of poly(3, 4-ethylenedioxythiophene):poly(styrene sulfonate) (PEDOT:PSS) films treated with methoxyethanol (ME) on the performance of polymer solar cells, and the effects were compared with the PEDOT:PSS films treated with dimethyl sulfoxide (DMSO). In particular, a correlation between the performance parameters of polymer solar cells and changes in the conductivity, surface morphology, and work function of treated PEDOT:PSS was investigated as a function of an added ME and DMSO ratio. The enhanced conductivity of the treated PEDOT:PSS improved the short circuit current and reduced the series resistance of solar cells. While the enhanced conductivity and surface roughness of the treated PEDOT:PSS also induced the large leakage current and sacrificed the device FF. The open circuit voltage was almost constant, although the slightly reduced voltage was observed. Crown Copyright (C) 2013 Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：100 / 105
页数：6
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