Electro-reduction of nitrate species on Pt-based nanoparticles: Surface area effects: Surface area effects

Research output: Contribution to journalArticlepeer-review

39 Scopus citations

Abstract

The electrochemical reduction of nitrate ions was carried out on Pt-based nanoparticles supported on carbon Vulcan and deposited on a glassy carbon electrode. Different materials were evaluated: synthesized Pt10/C, Pt-Sny/C (y = 10, 20 wt.%) and commercial Ptx/C-ETEK (x = 10, 20 and 40 wt.%). Cyclic voltammetry technique was used for this purpose. It was found that the catalytic activity for hydrogen evolution reaction (HER) and nitrate electro-reduction (NER) follows the order Pt10/C > Pt 40/C-ETEK > Pt-Sn20/C > Pt20/C-ETEK > Pt-Sn10/C > Pt10/C-ETEK. The electrochemically active surface area (ECSA), charge due to nitrate electro-reduction (QNO3-), and kinetic parameters were calculated in order to understand the catalytic behavior.

Original languageEnglish
Pages (from-to)201-204
Number of pages4
JournalCatalysis Today
Volume166
Issue number1
DOIs
StatePublished - 30 May 2011

Keywords

  • Cyclic voltammetry
  • Electrocatalysis
  • Hydrogen evolution reaction
  • Nanoparticles
  • Nitrate reduction

Fingerprint

Dive into the research topics of 'Electro-reduction of nitrate species on Pt-based nanoparticles: Surface area effects: Surface area effects'. Together they form a unique fingerprint.

Cite this