Preparation of iridium-modified boron-doped diamond (BDD) electrodes for electroreduction of CO2

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Abstract

Iridium-modified Boron-Doped Diamond (Ir-BDD) was prepared for an application in electrochemical reduction of carbon dioxide (CO2). Chronoamperometry technique in solution of K2IrCl6 in H2SO4 was employed at a reduction potential of + 0.60 V (vs. Ag/AgCl) to deposit the iridium metal on the surface of Boron Doped-Diamond (BDD). X-Ray Photoelectron Spectroscopy (XPS), Scanning Electron Microscopy (SEM), and a Raman Spectroscopy methods employed for the characterization indicated that Ir(0) could be deposited on the surface of BDD with an Ir-to-C ratio of 0.06. Cyclic voltammetry of CO2 dissolved in NaCl showed a reduction peak at -0.4 V suggested that CO2 could be electrochemically reduced at this condition.

Original languageEnglish
Title of host publicationProceedings of the 3rd International Symposium on Current Progress in Mathematics and Sciences 2017, ISCPMS 2017
EditorsRatna Yuniati, Terry Mart, Ivandini T. Anggraningrum, Djoko Triyono, Kiki A. Sugeng
PublisherAmerican Institute of Physics Inc.
ISBN (Electronic)9780735417410
DOIs
Publication statusPublished - 22 Oct 2018
Event3rd International Symposium on Current Progress in Mathematics and Sciences 2017, ISCPMS 2017 - Bali, Indonesia
Duration: 26 Jul 201727 Jul 2017

Publication series

NameAIP Conference Proceedings
Volume2023
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Conference

Conference3rd International Symposium on Current Progress in Mathematics and Sciences 2017, ISCPMS 2017
CountryIndonesia
CityBali
Period26/07/1727/07/17

Keywords

  • BDD
  • Carbondioxyde
  • Deposition
  • Electroreduction
  • and Ir-BDD

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