Directly Drawn Poly(3-hexylthiophene) Field-Effect Transistors by Electrohydrodynamic Jet Printing: Improving Performance with Surface Modification

被引：54

作者：

Jeong, Yong Jin ^{[1
,2
]}

Lee, Hyungdong ^{[3
]}

Lee, Byoung-Sun ^{[2
]}

Park, Seonuk ^{[1
]}

Yudistira, Hadi Teguh ^{[3
]}

Choong, Chwee-Lin ^{[2
]}

Park, Jong-Jin ^{[2
]}

Park, Chan Eon ^{[1
]}

Byun, Doyoung ^{[3
]}

机构：

[1] Pohang Univ Sci & Technol, Dept Chem Engn, Polymer Res Inst, POSTECH Organ Elect Lab, Pohang 790784, South Korea

[2] Samsung Adv Inst Technol SAIT, Yongin 449712, South Korea

[3] Sungkyunkwan Univ, Dept Mech Engn, Suwon 440746, Gyeonggi, South Korea

来源：

ACS APPLIED MATERIALS & INTERFACES | 2014年 / 6卷 / 13期

基金：

新加坡国家研究基金会;

关键词：

electrohydrodynamic printing; low voltage; flexible device; P3HT; organic field-effect transistors; THIN-FILM TRANSISTORS; ORGANIC TRANSISTORS; ELECTRICAL-PROPERTIES; ELECTRONICS; STABILITY; NANOFIBERS; SENSOR; PEN;

D O I：

10.1021/am502595a

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

In this study, direct micropatterning lines of poly(3-hexylthiophene) (P3HT) without any polymer binder were prepared by electrohydrodynamic jet printing to form organic field-effect transistors (OFETs). We controlled the dielectric surface by introducing self-assembled monolayers and polymer thin films to investigate the effect of surface modifications on the characteristics of printed P3HT lines and electrical performances of the OFETs. The morphology of the printed P3HT lines depended on the surface energy and type of substrate. The resulting OFETs exhibited high performance on octadecyltrichlorosilane-modified substrates, which was comparable to that of other printed P3HT OFETs. In order to realize the commercialization of the OFETs, we also fabricated a large-area transistor array, including 100 OFETs and low-operating-voltage flexible OFETs.

引用

页码：10736 / 10743

页数：8

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