Electrochemical performance of graphene as effected by electrode porosity and graphene functionalization

Christian Punckt, Michael A. Pope, Jun Liu, Yuehe Lin, Ilhan A. Aksay

Research output: Contribution to journalArticle

79 Scopus citations

Abstract

Graphene-based electrodes have recently gained popularity due to their superior electrochemical properties. However, the exact mechanisms of electrochemical activity are not yet understood. Here, we present data from NADH oxidation and ferri/ferrocyanide redox probe experiments to demonstrate that both (i) the porosity of the graphene electrodes, as effected by the packing morphology, and (ii) the functional group and the lattice defect concentration play a significant role on their electrochemical performance.

Original languageEnglish (US)
Pages (from-to)2834-2841
Number of pages8
JournalElectroanalysis
Volume22
Issue number23
DOIs
StatePublished - Dec 1 2010

All Science Journal Classification (ASJC) codes

  • Analytical Chemistry
  • Electrochemistry

Keywords

  • Catalysis
  • Functionalization
  • Graphene
  • Porosity
  • Sensors

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