Ammonia borane assisted solid exfoliation of graphite fluoride for facile preparation of fluorinated graphene nanosheets

Fluorinated graphene, which combines the unique properties of graphite fluoride and graphene, has attracted considerable attention in recent years. Here, we developed a facile, efficient, and scalable method for high-yield exfoliation of graphite fluoride into fluorinated graphene (fluorographene) n...

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Bibliographic Details
Published in:Carbon (New York) 2015-01, Vol.81, p.702-709
Main Authors: Liu, Lin, Zhang, Miao, Xiong, Zhitao, Hu, Daqiang, Wu, Guotao, Chen, Ping
Format: Article
Language:English
Subjects:
Ammonia
Boranes
Cross-disciplinary physics: materials science
rheology
Exact sciences and technology
Exfoliation
Fluorides
Fluorination
Fullerenes and related materials
diamonds, graphite
Graphene
Graphite
Materials science
Nanostructure
Physics
Specific materials
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Summary:Fluorinated graphene, which combines the unique properties of graphite fluoride and graphene, has attracted considerable attention in recent years. Here, we developed a facile, efficient, and scalable method for high-yield exfoliation of graphite fluoride into fluorinated graphene (fluorographene) nanosheets. The exfoliation approach consists of solid ball milling of graphite fluoride with ammonia borane and followed washing with ethanol to get rid of ammonia borane from the products. The majority of the as-synthesized fluorographene nanosheets consist of 1–6 atomic layers with grain sizes in the range of 0.3–1μm. X-ray diffraction, Raman spectroscopy, Fourier transform infrared spectroscopy, and X-ray photoelectron spectroscopy demonstrated that fluorographene has the same structure as pristine graphite fluoride.
ISSN:0008-6223
1873-3891
DOI:10.1016/j.carbon.2014.10.008