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Issue 13, 2018
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Large-scale synthesis of fluorinated graphene by rapid thermal exfoliation of highly fluorinated graphite

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Abstract

Weakly fluorinated graphene nanosheets were efficiently prepared via fast thermal exfoliation of highly fluorinated graphite. This scalable method consists of a fast temperature increase (around 10 °C s−1) of fluorinated HOPG performed under an argon atmosphere, without any post-treatment. The mechanism of exfoliation induced by the defluorination step, evolving volatile fluorocarbons, has been highlighted thanks to thermogravimetric analysis (TGA), high temperature X-ray diffraction (HTK-XRD), X-ray Photoelectron Spectrometry (XPS) studies on temperature, and Raman and infrared spectroscopy. The advantages of the described process are its high-yield for the preparation of fluorinated graphene nanosheets, its ease of implementation and scalability. Moreover, the fluorine content drastically decreases during such a process and graphene layers are slightly functionalized, i.e. conductive contrary to the precursor.

Graphical abstract: Large-scale synthesis of fluorinated graphene by rapid thermal exfoliation of highly fluorinated graphite

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Publication details

The article was received on 04 Dec 2017, accepted on 19 Feb 2018 and first published on 22 Feb 2018


Article type: Paper
DOI: 10.1039/C7DT04565D
Citation: Dalton Trans., 2018,47, 4596-4606
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    Large-scale synthesis of fluorinated graphene by rapid thermal exfoliation of highly fluorinated graphite

    M. Herraiz, M. Dubois, N. Batisse, S. Hajjar-Garreau and L. Simon, Dalton Trans., 2018, 47, 4596
    DOI: 10.1039/C7DT04565D

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