High performance organic photovoltaic devices using amorphous molecular materials with high charge-carrier drift mobilities

被引:44
作者
Kageyama, Hiroshi [2 ]
Ohishi, Hitoshi [2 ]
Tanaka, Masatake [2 ]
Ohmori, Yutaka [3 ]
Shirota, Yasuhiko [1 ]
机构
[1] Fukui Univ Technol, Dept Environm & Biotechnol Frontier Engn, Fukui 9108505, Japan
[2] Osaka Univ, Fac Engn, Dept Appl Chem, Suita, Osaka 5650871, Japan
[3] Osaka Univ, Ctr Adv Sci & Innovat, Suita, Osaka 5650871, Japan
关键词
amorphous state; hole mobility; organic compounds; photoelectric devices; photovoltaic effects; SOLAR-CELLS; CONJUGATED SYSTEMS; POLYMER; DONOR; INTERFACES; SEPARATION; EFFICIENCY; BLENDS; DIODES;
D O I
10.1063/1.3079399
中图分类号
O59 [应用物理学];
学科分类号
摘要
pn-Heterojunction organic photovoltaic devices (OPVs) using amorphous molecular materials with high hole drift mobilities of 10(-2) cm(2) V-1 s(-1), tris[4-(2-thienyl)phenyl]amine and tris[4-(5-phenylthiophen-2-yl)phenyl]amine, as electron donors and fullerene as an electron acceptor were fabricated. In spite of the use of amorphous materials instead of crystalline materials, the devices exhibited high performance with fill factors of 0.62-0.71 and power conversion efficiencies of 1.5%-1.7% under air-mass 1.5 G illumination at an intensity of 100 mW cm(-2).
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页数:3
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