Formation of Photoconductive Nanowires of Tetracene Derivative in Composite Thin Film

被引：13

作者：

Suzuki, Tsuyoshi ^{[1
]}

Okamoto, Toshihiro ^{[1
]}

Saeki, Akinori ^{[2
]}

Seki, Shu ^{[2
]}

Sato, Hiroyasu ^{[3
]}

Matsuo, Yutaka ^{[1
]}

机构：

[1] Univ Tokyo, Sch Sci, Dept Chem, Bunkyo Ku, Tokyo 1130033, Japan

[2] Osaka Univ, Grad Sch Engn, Dept Appl Chem, Suita, Osaka 5650871, Japan

[3] Rigaku Corp, Akishima, Tokyo 1968666, Japan

来源：

ACS APPLIED MATERIALS & INTERFACES | 2013年 / 5卷 / 06期

关键词：

organic semiconductor; tetracene; nanowire; intermolecular interaction; charge transport; FIELD-EFFECT TRANSISTORS; ORGANIC PHOTOVOLTAIC CELLS; SOLAR-CELLS; DEVICE PERFORMANCE; FABRICATION; SEMICONDUCTORS; POLYTHIOPHENES; ARCHITECTURES; CONDUCTIVITY; ELECTRONICS;

D O I：

10.1021/am302914w

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Nanowires of tetracene dicarboxylic imide disulfide with an N-hexyl substituent (HexylTIDS) were successfully constructed in composite thin film containing poly(3-hexylthiophene) (P3HT). The nanowire structures were investigated by atomic force microscopy and scanning electron microscopy. The photoconductivity of the composite films was evaluated by time-resolved microwave conductivity measurements, revealing that the film containing a 1:1 w/w ratio of HexylTIDS and P3HT exhibited the highest photoconductivity (2.1 X 10(-7) m(2)/(V s)). The intermolecular interactions of HexylTIDS molecules were important in nanowire formation. These results suggest a one-step method for fabricating small-molecule-based nanowires in composite films from a blended solution. This type of composite film, and its fabrication method, will be useful for developing organic thin-film photoelectronic devices.

引用

页码：1937 / 1942

页数：6

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