Direct inkjet printing of silver electrodes on organic semiconductors for thin-film transistors with top contact geometry

被引：70

作者：

Noguchi, Yoshiaki ^{[1
]}

Sekitani, Tsuyoshi ^{[1
]}

Yokota, Tomoyuki ^{[1
]}

Someya, Takao ^{[1
]}

机构：

[1] Univ Tokyo, Quantum Phase Elect Ctr, Sch Engn, Bunkyo Ku, Tokyo 1138656, Japan

来源：

APPLIED PHYSICS LETTERS | 2008年 / 93卷 / 04期

关键词：

D O I：

10.1063/1.2959728

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We have fabricated high- performance organic thin- film transistors with top contact geometry using silver source and drain electrodes that are directly patterned on pentacene film by inkjet printing. Ink droplets containing Ag nanoparticles were ejected from inkjet nozzles. By controlling wave forms applied to piezoelectric actuators in these nozzles, the volume of the droplets can be changed from 17 to 1.4 pl. When the volume of the droplets is reduced, dc characteristics of manufactured transistors are improved significantly. The transistors manufactured with droplets of 1.4 pl exhibit a mobility of 0.3 cm2 / Vs and an on- off current ratio that exceeding 106. (c) 2008 American Institute of Physics.

引用

页数：3

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