Ambipolar organic phototransistor

被引：31

作者：

Saragi, Tobat P. I.

Onken, Kristian

Suske, Irina

Fuhrmann-Lieker, Thomas

Salbeck, Josef

机构：

[1] Univ Kassel, Dept Sci, D-34109 Kassel, Germany

[2] Univ Kassel, CINSaT, D-34109 Kassel, Germany

来源：

OPTICAL MATERIALS | 2007年 / 29卷 / 11期

关键词：

organic phototransistors; light responsive; spiro compound;

D O I：

10.1016/j.optmat.2006.07.001

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We report on the fabrication and characterization of ambipolar organic phototransistors based on amorphous thin films of donor/ acceptor dyad N-[7-(NN-diphenylamino)-9,9'-spirobifluoren-2-yl]-N'-(2,5-di-tert-butylphenyl)-3,4:9,10-perylenetetracarboxylicdiimide. The mechanism of light enhanced photocurrent is based on photoinduced charge transfer between the donor and the acceptor unit. The photoresponsivity of up to 0.2 A/W can be obtained. The drain current is significantly increased by a factor of nearly 100 as the light is used as an additional control parameter, making the device interesting for sensor applications. (c) 2006 Elsevier B.V. All rights reserved.

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页码：1332 / 1337

页数：6

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