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机构地区:[1]Center for Nanochemistry,Beijing Science and Engineering Center for Nanocarbons,Beijing National Laboratory for Molecular Sciences,College of Chemistry and Molecular Engineering,Peking University,Beijing 100871 [2]Beijing Graphene Institute,Beijing 100095
出 处:《CCS Chemistry》2021年第4期1058-1077,共20页中国化学会会刊(英文)
基 金:This research was supported by the Ministry of Science and Technology of China(2016YFA0200101);the National Natural Science Foundation of China(grant no.51720105003).
摘 要:The preparation of graphene with high quality serves as a prerequisite for its usage.Traditional methods of graphene production,represented by liquid-phase exfoliation and chemical vapor deposition,either sacrifice the quality and purity of graphene or are limited by the substrate and catalyst.Developing simple and scalable preparation methods of high-quality and high-purity graphene remains a big challenge.Herein,we have reviewed the gas-phase methods including carbonization,combustion,arc discharge,and atmospheric plasma for scalable preparation of free-standing graphene,which are catalyst-,substrate-,solvent-free,and without the need for complex post-treatment methods.The obtained graphene exhibits characteristics of high quality and high purity.Moreover,applications of free-standing graphene were also summarized.Finally,perspectives on opportunities and challenges of free-standing graphene have been discussed.
关 键 词:scalable production gas-phase growth free-standing graphene high-quality graphene atmospheric plasma
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