Direct metal substitution of electropolymerized ferriprotoporphyrin: A simple electrode-modification process for developing electrocatalytic materials

Jason A. Bennett, Karissa L. Sterling, James E. Pander

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

A simple approach for expanding metalloporphyrins as electrocatalytic materials is introduced. This new method involves the direct electropolymerization of an electrically conducting layer of ferriprotoporphyrin followed by a metal-substitution reaction executed by soaking the electrode in an aqueous metal-salt solution. This process exchanges the iron center of the surface-bound protoporphyrin with the metal ion of the salt solution. X-ray photoelectron spectroscopy and electrochemical methods confirm that this new metal is incorporated into the surface-bound porphyrin structure and alters the electrochemical properties of the electrode. This simple electrode modification process may expand the use of metalloporphyrins for electrocatalytic applications.

Original languageEnglish (US)
Pages (from-to)H37-H39
JournalECS Electrochemistry Letters
Volume2
Issue number10
DOIs
StatePublished - 2013

All Science Journal Classification (ASJC) codes

  • Fuel Technology
  • Electrochemistry
  • Materials Chemistry

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