Synthesis of phase transferable graphene sheets using ionic liquid polymers

Tae Young Kim; Hyun Wook Lee; Jong Eun Kim; Kwang S. Suh

doi:10.1021/nn901525e

Synthesis of phase transferable graphene sheets using ionic liquid polymers

Tae Young Kim, Hyun Wook Lee, Jong Eun Kim, Kwang S. Suh

Department of Materials Science and Engineering

Research output: Contribution to journal › Article › peer-review

229 Citations (Scopus)

Abstract

A practical route to the production of solution phase transferable graphene sheets using ionic liquid polymers (PIL) as a transferring medium is developed. Chemically converted graphene sheets decorated with PIL were found to be stable against the chemical reduction and well dispersed in the aqueous phase without any agglomeration. Upon the anion exchange of the PIL on graphene sheets, these PIL-modified graphene sheets in aqueous phase are readily transferred into the organic phase by changing their properties from hydrophilic to hydrophobic.

Original language	English
Pages (from-to)	1612-1618
Number of pages	7
Journal	ACS nano
Volume	4
Issue number	3
DOIs	https://doi.org/10.1021/nn901525e
Publication status	Published - 2010 Mar 23

Keywords

Graphene oxide
Graphene sheets
Ionic liquid polymers
Phase transfer

ASJC Scopus subject areas

Materials Science(all)
Engineering(all)
Physics and Astronomy(all)

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10.1021/nn901525e

Cite this

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AU - Suh, Kwang S.

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AB - A practical route to the production of solution phase transferable graphene sheets using ionic liquid polymers (PIL) as a transferring medium is developed. Chemically converted graphene sheets decorated with PIL were found to be stable against the chemical reduction and well dispersed in the aqueous phase without any agglomeration. Upon the anion exchange of the PIL on graphene sheets, these PIL-modified graphene sheets in aqueous phase are readily transferred into the organic phase by changing their properties from hydrophilic to hydrophobic.

KW - Graphene oxide

KW - Graphene sheets

KW - Ionic liquid polymers

KW - Phase transfer

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Synthesis of phase transferable graphene sheets using ionic liquid polymers

Abstract

Keywords

ASJC Scopus subject areas

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