Inkjet Printing of High Conductivity, Flexible Graphene Patterns

被引：573
|
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
收藏
页码：1347 / 1351
页数：5
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