Inverted and transparent polymer solar cells prepared with vacuum-free processing

被引:141
|
作者
Zhou, Yinhua [1 ,2 ]
Li, Fenghong [1 ]
Barrau, Sophie [1 ]
Tian, Wenjing [2 ]
Inganas, Olle [1 ,3 ]
Zhang, Fengling [1 ,3 ]
机构
[1] Linkoping Univ, Dept Phys Chem & Biol, IFM, SE-58183 Linkoping, Sweden
[2] Jilin Univ, State Key Lab Supramol Struct & Mat, Changchun 130012, Peoples R China
[3] Linkoping Univ, Ctr Organ Elect, SE-58183 Linkoping, Sweden
关键词
Inverted polymer solar cells; Vacuum-free processing; PEO; Open-circuit voltage; OPEN-CIRCUIT VOLTAGE; PHOTOELECTRON-SPECTROSCOPY; CATHODE; PHOTOVOLTAICS; BLENDS;
D O I
10.1016/j.solmat.2008.11.002
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
Inverted transparent polymer solar cells were fabricated by sequentially depositing several organic layers from fluids, on ITO/glass substrates. ITO was used as a cathode to collect electrons. The photovoltage of these diodes can be increased by up to 400 mV by inserting a buffer layer of polyethylene oxide between ITO and the active layers, which results in 4-fold enhancement of power conversion efficiency under the illumination of 100 mW/cm(2) simulated AM1.5 solar light. The enhancement of V., is consistent with the work function change between ITO and ITO/PEO measured by photoelectron spectroscopy. Solar cell production without vacuum processing may lower production costs. (C) 2008 Elsevier B.V. All rights reserved.
引用
收藏
页码:497 / 500
页数:4
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