High-throughput production of pristine graphene in an aqueous dispersion assisted by non-ionic surfactants

被引：378

作者：

Guardia, L. ^{[1
]}

Fernandez-Merino, M. J. ^{[1
]}

Paredes, J. I. ^{[1
]}

Solis-Fernandez, P. ^{[1
]}

Villar-Rodil, S. ^{[1
]}

Martinez-Alonso, A. ^{[1
]}

Tascon, J. M. D. ^{[1
]}

机构：

[1] CSIC, Inst Nacl Carbon, E-33080 Oviedo, Spain

来源：

CARBON | 2011年 / 49卷 / 05期

关键词：

SCANNING-TUNNELING-MICROSCOPY; LIQUID-PHASE EXFOLIATION; GRAPHITE; OXIDE; CARBON; GRAPHITIZATION; SUSPENSIONS; GENERATION; NANOSHEETS; EVOLUTION;

D O I：

10.1016/j.carbon.2010.12.049

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 preparation of aqueous graphene dispersions by exfoliation of pristine graphite in the presence of a wide range of surfactants is reported. High graphene concentrations, up to about 1 mg mL(-1), were obtained with the use of some non-ionic surfactants. The dispersions consisted of single- and few-layer graphene platelets with their basal planes virtually free of even atomic-sized (point) defects. The potential utility of such highly concentrated dispersions toward the low-cost, large-scale manipulation and processing of graphene was demonstrated by processing them into electrically conductive, freestanding paper-like films. (C) 2010 Elsevier Ltd. All rights reserved.

引用

收藏

页码：1653 / 1662

页数：10

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