Highly concentrated graphene solutions via polymer enhanced solvent exfoliation and iterative solvent exchange

Yu Teng Liang; Mark C. Hersam

doi:10.1021/ja107661g

Highly concentrated graphene solutions via polymer enhanced solvent exfoliation and iterative solvent exchange

Yu Teng Liang, Mark C. Hersam

Northwestern University

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

195 Citations (Scopus)

Abstract

Efficient graphene exfoliation in a nontraditional solvent, ethanol, is achieved through the addition of a stabilizing polymer, ethyl cellulose. Iterative solvent exchange is further demonstrated as a rapid, room-temperature, ultracentrifugation-free approach to concentrate the graphene solution to a level exceeding 1 mg/mL. The outstanding processability and electrical properties of these graphene inks are verified through the realization of aligned graphene-polymer nanocomposites and transparent conductive graphene thin films.

Original language	English
Pages (from-to)	17661-17663
Number of pages	3
Journal	Journal of the American Chemical Society
Volume	132
Issue number	50
DOIs	https://doi.org/10.1021/ja107661g
Publication status	Published - Dec 22 2010

ASJC Scopus subject areas

Catalysis
Chemistry(all)
Biochemistry
Colloid and Surface Chemistry

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Highly concentrated graphene solutions via polymer enhanced solvent exfoliation and iterative solvent exchange

Abstract

ASJC Scopus subject areas

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