The effects of low power density CO 2 laser irradiation on graphene properties

Ting Huang, Jiangyou Long, Minlin Zhong, Juan Jiang, Xiaohui Ye, Zhe Lin, Lin Li

研究成果: Article査読

23 被引用数 (Scopus)

抄録

We report the investigations on structural modifications in monolayer graphene induced by low-power-density CO 2 laser irradiation (2-60 W/cm 2 ). Observed modifications in graphene include the disassembly of crystalline graphene into nanocrystalline structure and the generation of amorphous carbon. It was found that thermal effect played an important role during laser irradiation. By adjusting laser power density, irradiation time and temperature, the structure of graphene can be modified accordingly in a controlled manner. Our approach may enable high-efficiency and economical modification of large-area graphene, which relies on large-area irradiation using low-power-density laser.

本文言語English
ページ(範囲)502-506
ページ数5
ジャーナルApplied Surface Science
273
DOI
出版ステータスPublished - 2013 5月 15
外部発表はい

ASJC Scopus subject areas

  • 化学 (全般)
  • 凝縮系物理学
  • 物理学および天文学(全般)
  • 表面および界面
  • 表面、皮膜および薄膜

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