Abstract

Local quantum capacitance of graphene is imaged with plasmonics-based electrical impedance microscopy, from which the local density and polarity of charged impurities, electron and hole puddles associated with the charged impurities, and the density of the impurity states are determined.

Original languageEnglish (US)
Pages (from-to)6213-6219
Number of pages7
JournalAdvanced Materials
Volume27
Issue number40
DOIs
StatePublished - Oct 1 2015

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Keywords

  • electron and hole puddles
  • graphene
  • plasmonic imaging
  • quantum capacitance

ASJC Scopus subject areas

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

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