Length-Sorted Semiconducting Carbon Nanotubes for High-Mobility Thin Film Transistors

被引：116

作者：

Miyata, Yasumitsu ^{[1
,2
]}

Shiozawa, Kazunari ^{[1
,2
]}

Asada, Yuki ^{[1
,2
]}

Ohno, Yutaka ^{[3
]}

Kitaura, Ryo ^{[1
,2
]}

Mizutani, Takashi ^{[3
]}

Shinohara, Hisanori ^{[1
,2
]}

机构：

[1] Nagoya Univ, Dept Chem, Nagoya, Aichi 4648602, Japan

[2] Nagoya Univ, Inst Adv Res, Nagoya, Aichi 4648602, Japan

[3] Nagoya Univ, Dept Quantum Engn, Nagoya, Aichi 4648603, Japan

来源：

NANO RESEARCH | 2011年 / 4卷 / 10期

基金：

日本学术振兴会;

关键词：

Single-walled carbon nanotubes; separation; thin-film transistors; gel filtration; dispersion; optical absorption; carrier mobility; FIELD-EFFECT TRANSISTORS; ELECTRONIC-PROPERTIES; INTEGRATED-CIRCUITS; SEPARATION; NETWORKS; ARRAYS; GEL;

D O I：

10.1007/s12274-011-0152-7

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

We have developed a process for chemical purification of carbon nanotubes for solution-processable thin-film transistors (TFTs) having high mobility. Films of the purified carbon nanotubes fabricated by simple drop coating showed carrier mobilities as high as 164 cm(2)V(-1)s(-1), normalized transconductances of 0.78 Sm-1, and on/off current ratios of 10(6). Such high performance requires the preparation of a suspension of micrometer-long and highly purified semiconducting single-walled carbon nanotubes (SWCNTs). Our purification process includes length and electronic-type selective trapping of SWCNTs using recycling gel filtration with a mixture of surfactants. The results provide an important milestone toward printed high-speed and large-area electronics with roll-to-roll and ink-jet device fabrication.

引用

页码：963 / 970

页数：8

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