Synthesis and photovoltaic properties of oligothiophene derivatives

被引:20
作者
Liu, P [1 ]
Wang, XB
Zhang, YM
Zhou, XP
Deng, WH
机构
[1] S China Univ Technol, Res Inst Mat Sci, Guangzhou 510640, Peoples R China
[2] S China Univ Technol, Dept Appl Phys, Guangzhou 510640, Peoples R China
关键词
photovoltaic; oligothiophene; bipyridine; rare earth complex;
D O I
10.1016/j.synthmet.2005.09.041
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
In order to develop novel photovoltaic materials, 5-formyl-2,2':5',2 ''-terthiophene (3T-CHO) and rare earth (terbium) complex based on the 5,5'-bis(5-(2,2'-bithiophene))-2,2'-bipyridine (B2TBPY) ligand, were synthesized. The photovoltaic properties of 3T-CHO and Tb complex based on B2TBPY ligand were studied. Under 78.2 mW/cm(2) illumination, the ITO/3T-CHO/PCH/Al device has a short circuit current of 1.81 mA/cm(2), an open circuit voltage of 2.25 V, fill fact of 48.3% and photoelectric conversion efficiency of 2.52%. The ITO/B2TBPY-Tb/PCH/Al device has a short circuit current of 2.47 mA/cm(2), an open circuit voltage of 0.57 V, fill fact of 29.1% and photoelectric conversion efficiency of 0.52%. (C) 2005 Elsevier B.V. All rights reserved.
引用
收藏
页码:565 / 568
页数:4
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