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作者:

Wang, Le (Wang, Le.) | Sun, Jie (Sun, Jie.) | Guo, Weiling (Guo, Weiling.) | Dong, Yibo (Dong, Yibo.) | Xie, Yiyang (Xie, Yiyang.) | Xiong, Fangzhu (Xiong, Fangzhu.) | Du, Zaifa (Du, Zaifa.) | Li, Longfei (Li, Longfei.) | Deng, Jun (Deng, Jun.) | Xu, Chen (Xu, Chen.) (学者:徐晨)

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摘要:

Arc discharge is traditionally used to synthesize randomly arranged graphene flakes. In this paper, we substantially modify it into a glow discharge method so that the discharge current is much more reduced. The H-2 and/or Ar plasma etching of the graphitic electrode (used to ignite the plasma) is hence much gentler, rendering it possible to grow graphene in thin film format. During the growth at a few mbar, there is no external carbon gas precursor introduced. The carbon atoms and/or carbon containing particles as a result of the plasma etching are emitted in the chamber, some of which undergo gas phase scattering and deposit onto the metallic catalyst substrates (Cu-Ni alloy thin films or Cu foils) as graphene sheets. It is found that high quality monolayer graphene can be synthesized on Cu foil at 900 degrees C. On Cu-Ni, under the same growth condition, somewhat more bilayer regions are observed. It is observed that the material quality is almost indifferent to the gas ratios, which makes the optimization of the deposition process relatively easy. Detailed study on the deposition procedure and the material characterization have been carried out. This work reveals the possibility of producing thin film graphene by a gas discharge based process, not only from fundamental point of view, but it also provides an alternative technique other than standard chemical vapor deposition to synthesize graphene that is compatible with the semiconductor planar process. As the process uses solid graphite as a source material that is rich in the crust, it is a facile and relatively cheap method to obtain high quality graphene thin films in this respect.

关键词:

chemical vapor deposition glow discharge graphene graphite metal catalyst plasma solid carbon source

作者机构:

  • [ 1 ] [Wang, Le]Beijing Univ Technol, Key Lab Optoelect Technol, Beijing 100124, Peoples R China
  • [ 2 ] [Guo, Weiling]Beijing Univ Technol, Key Lab Optoelect Technol, Beijing 100124, Peoples R China
  • [ 3 ] [Dong, Yibo]Beijing Univ Technol, Key Lab Optoelect Technol, Beijing 100124, Peoples R China
  • [ 4 ] [Xie, Yiyang]Beijing Univ Technol, Key Lab Optoelect Technol, Beijing 100124, Peoples R China
  • [ 5 ] [Xiong, Fangzhu]Beijing Univ Technol, Key Lab Optoelect Technol, Beijing 100124, Peoples R China
  • [ 6 ] [Du, Zaifa]Beijing Univ Technol, Key Lab Optoelect Technol, Beijing 100124, Peoples R China
  • [ 7 ] [Li, Longfei]Beijing Univ Technol, Key Lab Optoelect Technol, Beijing 100124, Peoples R China
  • [ 8 ] [Deng, Jun]Beijing Univ Technol, Key Lab Optoelect Technol, Beijing 100124, Peoples R China
  • [ 9 ] [Xu, Chen]Beijing Univ Technol, Key Lab Optoelect Technol, Beijing 100124, Peoples R China
  • [ 10 ] [Sun, Jie]Fuzhou Univ, Natl & Local United Engn Lab Flat Panel Display T, Coll Phys & Informat Engn, Fuzhou 350100, Peoples R China
  • [ 11 ] [Sun, Jie]Fujian Sci & Technol Innovat Lab Optoelect Inform, Fuzhou 350100, Peoples R China

通讯作者信息:

  • 孙捷

    [Sun, Jie]Fuzhou Univ, Natl & Local United Engn Lab Flat Panel Display T, Coll Phys & Informat Engn, Fuzhou 350100, Peoples R China;;[Sun, Jie]Fujian Sci & Technol Innovat Lab Optoelect Inform, Fuzhou 350100, Peoples R China

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来源 :

MATERIALS

年份: 2020

期: 9

卷: 13

3 . 4 0 0

JCR@2022

ESI学科: MATERIALS SCIENCE;

ESI高被引阀值:37

JCR分区:1

被引次数:

WoS核心集被引频次: 1

SCOPUS被引频次:

ESI高被引论文在榜: 0 展开所有

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