Flexible organic photovoltaic devices based on oligothiophene derivatives

Ping Liu; Tu Hua Chen; Wan Zhang Pan; Ming Sheng Huang; Wen Ji Deng; Yu Liang Mai; An Bo Luan

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Flexible organic photovoltaic devices based on oligothiophene derivatives

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For the purpose of developing flexible organic photovoltaic devices, we have fabricated two flexible devices using 5-formyl- 2,20:50,200:500,2000-quaterthiophene (4T-CHO), 5-formyl-2,20:50, 200:500,2000:5000,20000-quinquethiophene (5T-CHO) and 3,4,9,10-peryle- netertracarboxylic dianhydride (PTCDA). The PET-ITO/4T-CHO/PTCDA/Al device has an open circuit voltage (Voc) of 1.56 V, photoelectric conversion efficiency of 0.77%. The PET-ITO/5T-CHO/PTCDA/Al device has a Voc of 1.70 V, photoelectric conversion efficiency of 0.84%. The two flexible devices have high Voc (1.56 and 1.70 V). It is possible that intermolecular hydrogen bonding between-CHO group of nT-CHO and carboxylic dianhydride of PTCDA contributes to enhancing the efficiency by promoting interfacial electron transfer and eliminating the subconducting band trap sites.

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来源
《中国化学快报：英文版》 |2008年第2期|207-210|共4页
作者
Ping Liu; Tu Hua Chen; Wan Zhang Pan; Ming Sheng Huang; Wen Ji Deng; Yu Liang Mai; An Bo Luan;
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作者单位

Research Institute of Materials Science;

South China University of Technology;

Guangzhou 510640;

China;

Department of Applied Physics;

South China University of Technology;

Guangzhou 510640;

China;

Guangdong Province Petroleum Chemicals Institute;

Guangzhou 510665;

China;

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原文格式 PDF
正文语种 chi
中图分类电化学工业;
关键词
有机光电设置; 衍生物; 光电效应; 化学工业;

机译：柔性有机光伏器件;低聚噻吩衍生物;

Flexible organic photovoltaic devices based on oligothiophene derivatives

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