Facile synthesis of graphene on dielectric surfaces using a two-temperature reactor CVD system
Facile synthesis of graphene on dielectric surfaces using a two-temperature reactor CVD system
复制标题
使用双温反应器 CVD 系统在电介质表面轻松合成石墨烯
DOI:
10.1088/0957-4484/24/39/395603
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发表时间:
2013-10
期刊:
影响因子:
3.5
通讯作者:
Chen, X. J.
中科院分区:
文献类型:
--
作者:
Xu, S. C.;Sun, Z. C.;Gao, X. G.;Chen, X. J.
Direct deposition of graphene on a dielectric substrate is demonstrated using a chemical vapor deposition system with a two-temperature reactor. The two-temperature reactor is utilized to offer sufficient, well-proportioned floating Cu atoms and to provide a temperature gradient for facile synthesis of graphene on dielectric surfaces. The evaporated Cu atoms catalyze the reaction in the presented method. C atoms and Cu atoms respectively act as the nuclei for forming graphene film in the low-temperature zone and the zones close to the high-temperature zones. A uniform and high-quality graphene film is formed in an atmosphere of sufficient and well-proportioned floating Cu atoms. Raman spectroscopy, scanning electron microscopy and atomic force microscopy confirm the presence of uniform and high-quality graphene.
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