Current-voltage characteristics of organic photovoltaic cells following deposition of cathode electrode

被引：3

作者：

Saeki, Hiroyuki ^{[1
]}

Hirohara, Kazuto ^{[1
]}

Koshiba, Yasuko ^{[1
]}

Horie, Satoshi ^{[1
]}

Misaki, Masahiro ^{[1
]}

Takeshita, Kimiya ^{[2
]}

Ishida, Kenji ^{[1
]}

Ueda, Yasukiyo ^{[1
]}

机构：

[1] Kobe Univ, Grad Sch Engn, Kobe, Hyogo 6578501, Japan

[2] Mitsubishi Chem Grp Sci & Technol Res Ctr Inc, Kanagawa 2278502, Japan

来源：

APPLIED PHYSICS LETTERS | 2010年 / 97卷 / 19期

关键词：

OPEN-CIRCUIT VOLTAGE; SOLAR-CELLS;

D O I：

10.1063/1.3516469

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The current-voltage characteristics of benzoporphine-fullerene solar cells were measured subsequent to the deposition of Al as a cathode material. Even in vacuum, a shift in the open circuit voltage was observed at 20 min after Al deposition. Moreover, the displacement of inert gases (N-2 or Ar) in the evaporation chamber enhanced the photovoltaic parameters. The power conversion efficiency was increased by 24% over the initial characteristics (from 1.04% to 1.29%), which indicates that the structure of the organic-metal interface changed rapidly after Al deposition, even if the process was performed in an air-free glovebox. (C) 2010 American Institute of Physics. [doi:10.1063/1.3516469]

引用

页数：3

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