Highly concentrated and stable few-layers graphene suspensions in pure and volatile organic solvents

被引：18

作者：

Azani, Mohammad-Reza ^{[1
]}

Hassanpour, Azin ^{[2
]}

Carcelen, Veronica ^{[3
]}

Gibaja, Carlos ^{[1
]}

Granados, Daniel ^{[1
]}

Mas-Balleste, Ruben ^{[2
]}

Zamora, Felix ^{[1
,2
]}

机构：

[1] IMDEA Nanosci, C Faraday 9,Campus Cantoblanco UAM, E-28049 Madrid, Spain

[2] Univ Autonoma Madrid, Dept Quim Inorgan, E-28049 Madrid, Spain

[3] Abengoa Res, Campus Palmas Altas, E-41014 Seville, Spain

来源：

APPLIED MATERIALS TODAY | 2016年 / 2卷

关键词：

Few-layers graphene suspensions; Graphene powder; Graphite exfoliation; Conductive graphene coatings; LIQUID-PHASE EXFOLIATION; GRAPHITE; ELECTRODES;

D O I：

10.1016/j.apmt.2015.12.002

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Highly stable graphene suspensions in pure organic solvents, including volatile solvents such as ethanol, tetrahydrofurane, chloroform, acetone or toluene have been prepared by re-dispersion of a graphenepowder. Such re-dispersable solid is produced by precipitation or solvent elimination from graphene suspensions obtained by sonication of graphite in several organic solvent-water mixtures. Re-dispersion is feasible in a wide range of pure organic solvents, obtaining high quality few-layers graphene flakes stable in suspension for months. As a proof-of-concept, on-glass spray deposition of some of these suspensions, e.g. ethanol or tetrahydrofuran, results on electrically conductive transparent coatings. These results suggest industrial potential use of the scalable technology here developed to fabricate low-cost devices with many different potential applications. (C) 2015 Elsevier Ltd. All rights reserved.

引用

页码：17 / 23

页数：7

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