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中文摘要：
石墨烯作为一种新兴的碳素材料，从一出现就引起了众多学者的关注．石墨烯具有许多新奇的特性，使得石墨烯在光电领域及微电子工业等有极大的应用潜力．但是目前难以实现大尺寸、高质量、宏量石墨烯的可控制备，限制了石墨烯的广泛应用．本文分析了各种石墨烯制备方法的利弊，重点从层数控制及大面积制备等方面对金属催化法进行了阐述，固态碳源金属催化法可以实现宏量制备大尺寸、高质量、薄且均匀的石墨烯．综述了金属催化制备石墨烯的相关机理研究，指出了目前研究的局限，并对石墨烯相变机理的下一步研究方向进行了展望．
英文摘要：
Graphene, which is regarded as a new carbon material, has attracted much attention of scientists. Graphene holds the promise for applications in optoelectronics and microelectronics, owing to many unique physical and chemical properties. The large-scale applications are restricted by controllable synthesis of large-size graphene. In this paper we present the advantages and disadvantages of preparation processes of graphene. The recent advances in the process of metal-catalyzed graphene in terms of lay number control and large area synthesis are discussed. The graphene prepared by metal-catalyzed solid carbon source has large area and high quality and is thin and homogeneous. We review the latest progress in graphene transformation mechanism, point out the limitations of current study and prospect the future development in the graphene transformation mechanism.
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