Effect of functionalized carbon as Pt electrocatalyst support on the methanol oxidation reaction
By Salgado, J.R.C.; Duarte, R.G.; Ilharco, L.M.; do Rego, A.M. Botelho; Ferraria, A.M. & Ferreira, M.G.S.
Published in Applied Catalysis B: Environmental
NULL
2011
Abstract
FTIRS and XPS spectra showed that after oxidative treatments using H2SO4 + HNO3 and HNO3 solutions the Vulcan XC-72R carbon support has been found to be more hydrophilic and richer in oxygen-containing functional groups. Consequently, the Pt electrocatalyst prepared on those functionalized carbon materials further to having good dispersion of metal presented a significant improvement of the electrocatalytic activity due to the synergistic effect between the metal nanoparticles and oxygenated groups on functionalized carbon.
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