Exfoliated graphite: room temperature exfoliation and their applications

The preparation and exfoliation of graphite oxide at low temperatures (near room temperature) to produce exfoliated graphite (EG) instead of rapid heating to a high temperature (conventional process) are reviewed. The exfoliation by microwave irradiation, electrochemical exfoliation and surfactant-a...

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Bibliographic Details
Published in:Carbon Letters 2023-03, Vol.33 (2), p.335-362
Main Authors: Toyoda, Masahiro, Hou, Shiyu, Huang, Zheng-Hong, Inagaki, Michio
Format: Article
Language:English
Subjects:
Adsorptivity
Electrochemistry
Energy consumption
Exfoliation
Flakes
Graphene
Graphite
High temperature
Irradiation
Low temperature
Microwave radiation
Oxidation
Pollutants
Reagents
Room temperature
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Summary:The preparation and exfoliation of graphite oxide at low temperatures (near room temperature) to produce exfoliated graphite (EG) instead of rapid heating to a high temperature (conventional process) are reviewed. The exfoliation by microwave irradiation, electrochemical exfoliation and surfactant-assisted exfoliation of graphite are also included because these techniques can be applied under ambient atmosphere, although last two techniques were mainly applied for thinning the graphite flakes to obtain “graphene” flakes. The applications of the resultant exfoliated graphite (EG) for oil/water separation, adsorptive removal of the environment pollutants and microwave shielding are shortly reviewed.
ISSN:1976-4251
2233-4998
DOI:10.1007/s42823-022-00450-7