Graphene on Au-coated SiO x substrate: Its core-level photoelectron microspectroscopy study

Jhih Wei Chen, Chiang Lun Wang, Hung Wei Shiu, Chi Yuan Lin, Chen Shiung Chang, Forest Shih Sen Chien, Chia Hao Chen, Yi Chun Chen, Chung Lin Wu

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

The core-level electronic structures of exfoliated graphene sheets on a Au-coated SiO x substrate have been studied using synchrotron radiation photoelectron spectroscopy (SR-PES) on a micron scale. The graphene's visibility on the Au-coated SiO x substrate was first demonstrated by micro optical characterization, and then an SR-PES study was conducted. Because of the elimination of charging effect, a precise C 1s core-level characterization shows graphitic and contaminated carbon states of graphene. Different levels of Au-coating-induced p-type doping on single- and double-layer graphene sheets were also examined in the C 1s core-level shift. The Au-coated SiO x substrate can be treated as a simple but highthroughput platform for in situ studying graphene under further hybridization by PES.

Original languageEnglish
Article number085101
JournalApplied Physics Express
Volume5
Issue number8
DOIs
Publication statusPublished - 2012 Aug 1

Fingerprint

Core levels
Photoelectrons
Graphene
graphene
photoelectrons
Substrates
Photoelectron spectroscopy
Synchrotron radiation
synchrotron radiation
photoelectron spectroscopy
visibility
Visibility
Electronic structure
charging
elimination
platforms
Doping (additives)
electronic structure
coatings
Coatings

All Science Journal Classification (ASJC) codes

  • Engineering(all)
  • Physics and Astronomy(all)

Cite this

Chen, Jhih Wei ; Wang, Chiang Lun ; Shiu, Hung Wei ; Lin, Chi Yuan ; Chang, Chen Shiung ; Chien, Forest Shih Sen ; Chen, Chia Hao ; Chen, Yi Chun ; Wu, Chung Lin. / Graphene on Au-coated SiO x substrate : Its core-level photoelectron microspectroscopy study. In: Applied Physics Express. 2012 ; Vol. 5, No. 8.
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Graphene on Au-coated SiO x substrate : Its core-level photoelectron microspectroscopy study. / Chen, Jhih Wei; Wang, Chiang Lun; Shiu, Hung Wei; Lin, Chi Yuan; Chang, Chen Shiung; Chien, Forest Shih Sen; Chen, Chia Hao; Chen, Yi Chun; Wu, Chung Lin.

In: Applied Physics Express, Vol. 5, No. 8, 085101, 01.08.2012.

Research output: Contribution to journalArticle

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