Organic donor/acceptor photovoltaics:: The role of C60/metal interfaces

被引：20
作者：
Melzer, C
Krasnikov, VV
Hadziioannou, G
机构：
[1] Univ Groningen, Ctr Mat Sci, Dept Polymer Chem, NL-9747 AG Groningen, Netherlands
[2] Univ Strasbourg 1, Ecole Europeenne Chim Polymeres Mat, F-67087 Strasbourg 2, France
来源：
APPLIED PHYSICS LETTERS | 2003年 / 82卷 / 18期
关键词：
D O I：
10.1063/1.1570936
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The photovoltaic properties of thin films based on donor/acceptor heterojunctions, prepared by means of either consecutive evaporation or co-evaporation, and sandwiched between asymmetric contacts are investigated. (E,E,E,E)-1,4-bis[(4-styryl)styryl]-2-methoxy-5-(2'-ethylhexoxy)benzene (MEH-OPV5) and Buckminster fullerene C-60 are employed as donor and acceptor materials, respectively. Current-voltage measurements and impedance spectroscopy on the donor and the acceptor single-layer cells suggest the presence of a strong dipole layer at the C-60/metal interfaces. The correlation between the photovoltaic performances and film morphologies is discussed. (C) 2003 American Institute of Physics.
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页码：3101 / 3103
页数：3
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