Layer-by-Layer Films of Graphene and Ionic Liquids for Highly Selective Gas Sensing

被引：296

作者：

Ji, Qingmin ^{[1
]}

Honma, Itaru ^{[3
]}

Paek, Seung-Min ^{[4
]}

Akada, Misaho ^{[1
]}

Hill, Jonathan P. ^{[1
,2
]}

Vinu, Ajayan ^{[1
]}

Ariga, Katsuhiko ^{[1
,2
]}

机构：

[1] Natl Inst Mat Sci, World Premier Int WPI Res Ctr Mat Nanoarchitecton, 1-1 Namiki, Tsukuba, Ibaraki 3050044, Japan

[2] CREST, JST, Tsukuba, Ibaraki 3050044, Japan

[3] Tohoku Univ, Inst Multidisciplinary Res Adv Mat, Sendai, Miyagi 9808577, Japan

[4] Kyungpook Natl Univ, Dept Chem, Taegu 702701, South Korea

来源：

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2010年 / 49卷 / 50期

关键词：

graphene; ionic liquids; layered compounds; layer-by-layer assembly; sensors; GRAPHITE OXIDE; SHEETS; RECOGNITION; NANOTUBES;

D O I：

10.1002/anie.201004929

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The best of both worlds: Graphene/ionic liquid (G-IL) layered films were obtained by direct reduction of graphene oxide in the presence of ionic liquids, followed by reassembly through electrostatic layer-by-layer (LbL) adsorption (see picture). The layer spacing of the graphene sheets is regularly expanded upon insertion of ionic liquid molecules (green discs). Selective sensing of aromatic compounds (red spheres) by using the G-IL LbL films was also achieved. Copyright © 2010 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

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页码：9737 / 9739

页数：3

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