Iron particle nanodrilling of few layer graphene at low electron beam accelerating voltages

Jessica Campos-Delgado, Daniel L. Baptista, Miguel Fuentes-Cabrera, Bobby G. Sumpter, Vincent Meunier, Humberto Terrones, Yoong Ahm Kim, Hiroyuki Muramatsu, Takuya Hayashi, Morinobu Endo, Mauricio Terrones, Carlos A. Achete

Research output: Contribution to journalArticlepeer-review

9 Scopus citations

Abstract

Atomic vacancies in graphene are created under relatively low energy electron bombardment, but the formation of vacancies is significanlty enhanced by iron nanocatalysis. The evolution of the overall process involves nanoparticle agglomeration, interlayer migration, and confinement to nearby defects. The catalytic activation of metal nanoparticles via elecron irradiation on graphene-like surfaces appears to be a novel process that can be used to obtain porous graphene sheets with high surface areas.

Original languageEnglish
Pages (from-to)76-82
Number of pages7
JournalParticle and Particle Systems Characterization
Volume30
Issue number1
DOIs
StatePublished - Jan 2013

Keywords

  • few-layer graphene
  • iron nanoparticles
  • low voltage processes
  • nanodrilling

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