Performance improvement of polymer solar cells by using a solvent-treated poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) buffer layer

被引：62
|
作者：
Peng, Bo [1 ,2 ]
Guo, Xia [1 ]
Cui, Chaohua [1 ]
Zou, Yingping [2 ]
Pan, Chunyue [2 ]
Li, Yongfang [1 ]
机构：
[1] Chinese Acad Sci, Inst Chem, CAS Key Lab Organ Solids, Beijing Natl Lab Mol Sci, Beijing 100190, Peoples R China
[2] Cent South Univ, Coll Chem & Chem Engn, Changsha 410083, Peoples R China
来源：
APPLIED PHYSICS LETTERS | 2011年 / 98卷 / 24期
关键词：
ENHANCEMENT; MORPHOLOGY; NETWORK;
D O I：
10.1063/1.3600665
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Photovoltaic performance of the polymer solar cell (PSC) based on poly(3-hexylthiophene) (P3HT) as donor and [6,6]-phenyl-C-61-butyric acid methyl ester (PCBM) as acceptor was improved by using the poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS) modification layer treated by ethanol or 2-propanol. Power conversion efficiency (PCE) of the PSC based on P3HT: PCBM (1:1, w/w) with the 2-propanol-treated PEDOT: PSS modification layer reached 4.74%, in comparison with a PCE of 3.39% for the PSC with the PEDOT: PSS layer without the organic solvent treatment. The enhanced performance of the PSCs is attributed to higher conductivity and optimized surface morphology of the PEDOT:PSS layers treated by the organic solvent. (C) 2011 American Institute of Physics. [doi:10.1063/1.3600665]
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页数：3
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