| Chemical vapor deposition growth behavior of graphene |
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| 作者姓名： | Jie Wang Tengfei Fan Jianchen Lu Xiaoming Cai Lei Gao Jinming Cai |
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| 作者单位： | Faculty of Materials Science and Engineering, Kunming University of Science and Technology, Kunming 650093, China;Faculty of Mechanical and Electrical Engineering, Kunming University of Science and Technology, Kunming 650093, China;Faculty of Science, Kunming University of Science and Technology, Kunming 650093, China |
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| 基金项目： | This work was financially supported by the National Natural Science Foundation of China (Nos. 11674136% 11564022% and 51402138)% the Thousand Talents Plan—The Recruitment Program for Young Professionals (No. 1097816002)% the Strategic Priority Research Program of the Chinese Academy of Sciences (No. XDB30010000)% the Yunnan Province for Recruiting High-Caliber Technological Talents (No. 1097816002)% and the Reserve Talents for Yunnan Young and Middle-aged Academic and Technical Leaders (No. 2017HB010) |
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| 摘 要： | The optimized growth parameters of graphene with different morphologies,such as dendrites,rectangle,and hexagon,have been obtained by low-pressure chemical vapor deposition on polycrystalline copper substrates.The evolution of fractal graphene,which grew on the polycrystalline copper substrate,has also been observed.When the equilibrium growth state of graphene is disrupted,its intrinsic hexagonal symmetry structure will change into a non-hexagonal symmetry structure.Then,we present a systematic and comprehensive study of the evolution of graphene with different morphologies grown on solid copper as a function of the volume ratio of methane to hydrogen in a controllable manner.Moreover,the phenomena of stitching snow-like graphene together and stacking graphene with different angles was also observed.
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| 关 键 词： | GRAPHENE chemical vapor deposition various morphologies DENDRITES METHANE |
Chemical vapor deposition growth behavior of graphene |
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| Jie Wang,Tengfei Fan,Jianchen Lu,Xiaoming Cai,Lei Gao,Jinming Cai.Chemical vapor deposition growth behavior of graphene[J].International Journal of Minerals,Metallurgy and Materials,2022,1(1):136-143. |
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| Authors: | Wang Jie Fan Tengfei Lu Jianchen Cai Xiaoming Gao Lei Cai Jinming |
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| Abstract: | The optimized growth parameters of graphene with different morphologies, such as dendrites, rectangle, and hexagon, have been obtained by low-pressure chemical vapor deposition on polycrystalline copper substrates. The evolution of fractal graphene, which grew on the polycrystalline copper substrate, has also been observed. When the equilibrium growth state of graphene is disrupted, its intrinsic hexagonal symmetry structure will change into a non-hexagonal symmetry structure. Then, we present a systematic and comprehensive study of the evolution of graphene with different morphologies grown on solid copper as a function of the volume ratio of methane to hydrogen in a controllable manner. Moreover, the phenomena of stitching snow-like graphene together and stacking graphene with different angles was also observed. |
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| Keywords: | graphene chemical vapor deposition various morphologies dendrites methane |
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