Electrical Transport and Field-Effect Transistors Using Inkjet-Printed SWCNT Films Having Different Functional Side Groups

被引：68

作者：

Gracia-Espino, Eduardo ^{[2
,3
,4
]}

Sala, Giovanni ^{[3
,4
]}

Pino, Flavio ^{[3
,4
]}

Halonen, Niina ^{[3
,4
]}

Luomahaara, Juho ^{[5
]}

Maklin, Jani ^{[3
,4
]}

Toth, Geza ^{[3
,4
]}

Kordas, Krisztian ^{[3
,4
]}

Jantunen, Heli ^{[3
,4
]}

Terrones, Mauricio ^{[6
]}

Helisto, Panu ^{[5
]}

Seppa, Heikki ^{[5
]}

Ajayan, Pulickel M. ^{[1
]}

Vajtai, Robert ^{[1
]}

机构：

[1] Rice Univ, Dept Mech Engn & Mat Sci, Houston, TX 77005 USA

[2] Inst Potosino Invest Cient & Tecnol, Adv Mat Dept, San Luis Potosi 78216, Mexico

[3] Univ Oulu, Microelect Lab, Elect & Informat Engn Dept, FIN-90014 Oulu, Finland

[4] Univ Oulu, Phys Mat Lab, Elect & Informat Engn Dept, FIN-90014 Oulu, Finland

[5] VTT Tech Res Ctr Finland, Espoo 02044, Finland

[6] Univ Carlos III Madrid, Dept Ciencia & Ingn Mat Ingn Quim, Escuela Politecn Super, Madrid 28911, Spain

来源：

ACS NANO | 2010年 / 4卷 / 06期

基金：

芬兰科学院; 美国国家科学基金会;

关键词：

carbon nanotubes; inkjet printing; percolation threshold; nanotube network; Schottky barrier; CARBON NANOTUBE NETWORKS; ELECTRONIC-PROPERTIES; TRANSPARENT; CONDUCTION; CIRCUITS; SENSORS; ARRAYS; LOGIC;

D O I：

10.1021/nn1000723

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The electrical properties of random networks of single-wall carbon nanotubes (SWNTs) obtained by inkjet printing are studied. Water-based stable inks of functionalized SWNTs (carboxylic acid, amide, poly(ethylene glycol), and polyaminobenzene sulfonic acid) were prepared and applied to inkjet deposit microscopic patterns of nanotube films on lithographically defined silicon chips with a back-side gate arrangement. Source-drain transfer characteristics and gate-effect measurements confirm the important role of the chemical functional groups in the electrical behavior of carbon nanotube networks. Considerable nonlinear transport in conjunction with a high channel current on/off ratio of similar to 70 was observed with poly(ethylene glycol)-functionalized nanotubes. The positive temperature coefficient of channel resistance shows the nonmetallic behavior of the inkjet-printed films. Other inkjet-printed field-effect transistors using carboxyl-functionalized nanotubes as source, drain, and gate electrodes, poly(ethylene glycol)-functionalized nanotubes as the channel, and poly(ethylene glycol) as the gate dielectric were also tested and characterized.

引用

页码：3318 / 3324

页数：7

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