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李伟,刘林涛,李争显,王彦峰,刘家欢,李龙博.CVD在介电材料表面直接制备石墨烯进展[J].稀有金属材料与工程(英文),2020,49(11):3987~3997.[Li Wei,Liu Lintao,Li zhengxian,Wang Yanfeng,Liu Jiahaun and Li Longbo.Progress in direct preparation of graphene on the surface of dielectric substrate by CVD[J].Rare Metal Materials and Engineering,2020,49(11):3987~3997.]
Progress in direct preparation of graphene on the surface of dielectric substrate by CVD
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Received:April 12, 2020  Revised:June 22, 2020
DOI:
Key words: Graphene  dielectric materials  metal-free catalysis  electrical properties
Foundation item:陕西省创新人才计划项目(2017CKT-06);科技部国际合作项目(2014DFR50450);陕西省自然科学基础研究计划(2019JQ-940);面向苛刻环境的材料制备与防护技术工业和信息化部重点实验室
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Li Wei,Liu Lintao,Li zhengxian,Wang Yanfeng,Liu Jiahaun and Li Longbo  
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Abstract:
      Graphene, a one-atom-thick layer of carbon with sp2 hybrid orbital bonding and two-dimensional structure material ,has excellent electrical, mechanical, and optical properties. With its extraordinary structure and excellent properties,graphene has great application potential in many fields such as semiconductors, electronics, optics, and sensors. While graphene can be prepared by direct exfoliation from mother materials or growth on transition metals, the uncontrolled production or the additional complex transfer process has been challenging for graphene applications, therefore the direct preparation of graphene on the dielectric substrate by CVD has become an interesting research direction. This paper reviews the research progress of direct preparation of graphene by CVD on dielectric substrates surface at home and abroad, systematically introduces the main methods of direct preparation of graphene on dielectric material surface, and expounds that the catalytic conditions and growth parameters during the growth process are the key to the preparation of graphene on dielectric substrates. In addition, due to the weak catalysis on the surface of dielectric materials, the direct preparation of graphene on the surface has small domain size and poor electrical properties. Therefore, the realization of high quality and controllable preparation of graphene on the surface of dielectric materials is the future research direction.