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One‐Step Ionic‐Liquid‐Assisted Electrochemical Synthesis of Ionic‐Liquid‐Functionalized Graphene Sheets Directly from Graphite

Liu, Na, Luo, Fang, Wu, Haoxi, Liu, Yinghui, Zhang, Chao, Chen, Ji·2008·Advanced Functional Materials

Abstract

Graphite, inexpensive and available in large quantities, unfortunately does not readily exfoliate to yield individual graphene sheets. Here a mild, one‐step electrochemical approach for the preparation of ionic‐liquid‐functionalized graphite sheets with the assistance of an ionic liquid and water is presented. These ionic‐liquid‐treated graphite sheets can be exfoliated into functionalized graphene nanosheets that can not only be individuated and homogeneously distributed into polar aprotic solvents, but also need not be further deoxidized. Different types of ionic liquids and different ratios of the ionic liquid to water can influence the properties of the graphene nanosheets. Graphene nanosheet/polystyrene composites synthesized by a liquid‐phase blend route exhibit a percolation threshold of 0.1 vol % for room temperature electrical conductivity, and, at only 4.19 vol %, this composite has a conductivity of 13.84 S m−1, which is 3–15 times that of polystyrene composites filled with single‐walled carbon nanotubes.

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Metadata

Authors
Liu, N., Luo, F., Wu, H., Liu, Y., Zhang, C., & Chen, J.
Venue
Advanced Functional Materials
Publisher
Wiley
Published
2008-05-23
Volume
18
Issue
10
Pages
1518-1525
ISSN
  • 1616-301X (ISSN-L)
  • 1616-3028
OpenAlex
W2023318824
Cited by
1,070
References
4
FWCI
19.70
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: One‐Step Ionic‐Liquid‐Assisted Electrochemical Synthesis of Ionic‐Liquid‐Functionalized Graphene Sheets Directly from Graphite. https://app.cochat.ai/papers/10.1002/adfm.200700797
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Liu, N., Luo, F., Wu, H., Liu, Y., Zhang, C., & Chen, J. (2008). One‐Step Ionic‐Liquid‐Assisted Electrochemical Synthesis of Ionic‐Liquid‐Functionalized Graphene Sheets Directly from Graphite. Advanced Functional Materials. https://doi.org/10.1002/adfm.200700797

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