Liquid-phase exfoliation of fluorinated graphite to produce high-quality graphene sheets
Chen, Li; Meng, Yawen
2019-05
Source PublicationJOURNAL OF VACUUM SCIENCE & TECHNOLOGY B
ISSN2166-2746
Volume37Issue:3
AbstractChemical exfoliation of graphite as a facile method is used to synthesize graphene sheets on a large scale. However, the preparation process including oxidation of graphite and reduction of graphene oxide causes many defects and unnecessary oxygen-containing groups in obtained graphene sheets. In this study, a simple and facile method is proposed to create graphene starting from fluorinated graphite (FGi). Fourier transform infrared spectroscopy, x-ray photoelectron spectroscopy, and transmission electron microscopy were employed to analyze the components and structure of the graphene sheets. The results showed that large and flat graphene sheets with the polycrystalline structure were obtained by the chemical exfoliation of FGi. The F/C ratio can be facilely tuned just by adjusting the refluxing time, and the ratio is almost not decreased when reaction time is more than 8 h. Furthermore, the electrical conductivity and electrochemical properties of the as-prepared graphene have been systematically investigated and exhibited regularity with a variation of the F/C ratio. Published by the AVS.
DOI10.1116/1.5081961
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China (NSFC)[51765036]
WOS Research AreaEngineering ; Science & Technology - Other Topics ; Physics
WOS SubjectEngineering, Electrical & Electronic ; Nanoscience & Nanotechnology ; Physics, Applied
WOS IDWOS:000496258500023
PublisherA V S AMER INST PHYSICS
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.lut.edu.cn/handle/2XXMBERH/64245
Collection石油化工学院
Corresponding AuthorChen, Li
AffiliationLanzhou Univ Technol, Coll Petrochem Technol, Lanzhou 730050, Gansu, Peoples R China
First Author AffilicationColl Petrochem Engn
Corresponding Author AffilicationColl Petrochem Engn
First Signature AffilicationColl Petrochem Engn
Recommended Citation
GB/T 7714
Chen, Li,Meng, Yawen. Liquid-phase exfoliation of fluorinated graphite to produce high-quality graphene sheets[J]. JOURNAL OF VACUUM SCIENCE & TECHNOLOGY B,2019,37(3).
APA Chen, Li,&Meng, Yawen.(2019).Liquid-phase exfoliation of fluorinated graphite to produce high-quality graphene sheets.JOURNAL OF VACUUM SCIENCE & TECHNOLOGY B,37(3).
MLA Chen, Li,et al."Liquid-phase exfoliation of fluorinated graphite to produce high-quality graphene sheets".JOURNAL OF VACUUM SCIENCE & TECHNOLOGY B 37.3(2019).
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