Aqueous-phase exfoliation of graphite in the presence of polyvinylpyrrolidone for the production of water-soluble graphenes

被引：263

作者：

Bourlinos, Athanasios B. ^{[1
]}

Georgakilas, Vasilios ^{[1
]}

Zboril, Radek ^{[2
]}

Steriotis, Theodore A. ^{[3
]}

Stubos, Athanasios K. ^{[4
]}

Trapalis, Christos ^{[1
]}

机构：

[1] NCSR Demokritos, Inst Mat Sci, Athens 15310, Greece

[2] Palacky Univ, Dept Phys Chem, Olomouc 77146, Czech Republic

[3] NCSR Demokritos, Inst Chem Phys, Athens 15310, Greece

[4] NCSR Demokritos, Inst Nucl Technol & Radiat Protect, Environm Res Lab, Athens 15310, Greece

来源：

SOLID STATE COMMUNICATIONS | 2009年 / 149卷 / 47-48期

关键词：

Graphene; Polyvinylpyrrolidone; Aqueous-phase exfoliation; Solution properties; NANOPARTICLES; DISPERSIONS; SHEETS;

D O I：

10.1016/j.ssc.2009.09.018

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

Treatment of crystalline graphite fine powder with an aqueous solution of the harmless and versatile substance polyvinylpyrrolidone under sonication results in water-soluble, polymer-protected graphene single layers without oxidation or destruction of the sp(2) character of the carbon core. The liquid-phase extraction of graphene monolayers was evidenced by TEM and AFM techniques, while their graphitic character was checked with Raman spectroscopy. Besides PVP, the water-soluble biopolymers albumin and sodic carboxymethylcellulose were also employed successfully in the aqueous-phase exfoliation of graphite, thereby supporting the generic character of the present method using a variety of suitable polymeric extractants. (C) 2009 Elsevier Ltd. All rights reserved.

引用

页码：2172 / 2176

页数：5

共 19 条

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