Inkjet Printing of High Conductivity, Flexible Graphene Patterns

被引：590

作者：

Secor, Ethan B. ^{[1
]}

Prabhumirashi, Pradyumna L. ^{[1
]}

Puntambekar, Kanan ^{[1
]}

Geier, Michael L. ^{[1
]}

Hersam, Mark C. ^{[1
,2
,3
]}

机构：

[1] Northwestern Univ, Dept Mat Sci & Engn, Evanston, IL 60208 USA

[2] Northwestern Univ, Dept Chem, Evanston, IL 60208 USA

[3] Northwestern Univ, Dept Med, Evanston, IL 60208 USA

来源：

JOURNAL OF PHYSICAL CHEMISTRY LETTERS | 2013年 / 4卷 / 08期

基金：

美国国家科学基金会;

关键词：

AQUEOUS DISPERSIONS; TRANSPARENT; POLYMER; EXFOLIATION; TRANSISTORS; SHEETS; FILMS; OXIDE; PERFORMANCE; ELECTRONICS;

D O I：

10.1021/jz400644c

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：

The ability to print high conductivity, conformal, and flexible electrodes is an important technological challenge in printed electronics, especially for large-area formats with low cost considerations. In this Letter, we demonstrate inkjet-printed, high conductivity graphene patterns that are suitable for flexible electronics. The ink is prepared by solution-phase exfoliation of graphene using an environmentally benign solvent, ethanol, and a stabilizing polymer, ethyl cellulose. The inkjet-printed graphene features attain low resistivity of 4 m Omega.cm after a thermal anneal at 250 degrees C for 30 mm while showing uniform morphology, compatibility with flexible substrates, and excellent tolerance to bending stresses.

引用

页码：1347 / 1351

页数：5

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