Production of few-layer graphene through liquid-phase pulsed laser exfoliation of highly ordered pyrolytic graphite

Min Qian, Yun Shen Zhou, Yang Gao, Tao Feng, Zhuo Sun, Lan Jiang, Yong Feng Lu

Research output: Contribution to journalArticlepeer-review

30 Scopus citations

Abstract

Graphene suspension was obtained through liquid-phase pulsed laser exfoliation of highly ordered pyrolytic graphite (HOPG). The liquid-phase pulsed laser process leaded to the compression and expansion of HOPG surface, resulting in the exfoliation of graphene sheets. Graphene sheets of ∼1 nm in thickness and micrometers in size were obtained. Transparent conductive graphene films were fabricated by vacuum filtration, showing an electrical conductivity of ∼1000 S/m and an optical transparency of ∼75% at 550 nm. This study demonstrated the growth of few-layer graphene by pulsed laser exfoliation of HOPG in liquid and explored its applications in transparent conductive films.

Original languageEnglish (US)
Pages (from-to)9092-9095
Number of pages4
JournalApplied Surface Science
Volume258
Issue number22
DOIs
StatePublished - Sep 1 2012

Keywords

  • Graphene, Highly ordered pyrolytic
  • exfoliation
  • graphite, Liquid-phase pulsed laser

ASJC Scopus subject areas

  • Chemistry(all)
  • Condensed Matter Physics
  • Physics and Astronomy(all)
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films

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