Hybrid graphene-metal nanoparticle systems: Electronic properties and gas interaction

Verawati Tjoa, Wei Jun, Vinayak Dravid, Subodh Mhaisalkar, Nripan Mathews*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

73 Scopus citations

Abstract

Electrical properties of reduced graphene oxide (rGO) decorated with gold and silver nanoparticles were studied. Metal nanoparticles p-dope rGO through charge transfer which causes a potential drop at the metal nanoparticle-graphene interface. Probing by reactive gases showed that the nanoparticles provide interaction sites, inducing the sensitivity to H2S and improving the sensitivity to NO2.

Original languageEnglish (US)
Pages (from-to)15593-15599
Number of pages7
JournalJournal of Materials Chemistry
Volume21
Issue number39
DOIs
StatePublished - Oct 21 2011

ASJC Scopus subject areas

  • Chemistry(all)
  • Materials Chemistry

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