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Issue 28, 2010
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Preparation of graphene by exfoliation of graphite using wet ball milling

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Abstract

Wet ball milling was used to exfoliate graphite platelets into graphenes in a liquid medium. Multi-layered graphite nanosheets with a thickness of 30 to 80 nm were dispersed into N,N-dimethylformamide (DMF) and exfoliated by shear-force-dominated ball milling carried out in a planetary mill. After high-speed centrifugation, irregular shaped single- and few-layer graphene sheets (≤3 layers) having a thickness around 0.8–1.8 nm were found from the supernatant. The graphenes were identified and characterized using transmission and scanning electron microscopy, electron diffraction, atomic force microscopy and Raman spectroscopy. The electrical conductivity of the graphene powder was ∼1.2 × 103 S m−1 at room temperature.

Graphical abstract: Preparation of graphene by exfoliation of graphite using wet ball milling

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Publication details

The article was received on 07 May 2010, accepted on 03 Jun 2010 and first published on 17 Jun 2010


Article type: Communication
DOI: 10.1039/C0JM01354D
Citation: J. Mater. Chem., 2010,20, 5817-5819
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    Preparation of graphene by exfoliation of graphite using wet ball milling

    W. Zhao, M. Fang, F. Wu, H. Wu, L. Wang and G. Chen, J. Mater. Chem., 2010, 20, 5817
    DOI: 10.1039/C0JM01354D

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