Hydrogen oxidation reaction on platinum nanoparticles: Transition between mechanistic routes |
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| Authors: | María A. Montero María R. Gennero de Chialvo Abel C. Chialvo |
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| Affiliation: | Programa de Electroquímica Aplicada e Ingeniería Electroquímica (PRELINE), Facultad de Ingeniería Química, Universidad Nacional del Litoral, Santiago del Estero 2829, 3000 Santa Fe, Argentina |
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| Abstract: | The present work reports for the first time results which demonstrate that the hydrogen oxidation reaction on platinum nanoparticles supported on gold and glassy carbon substrates displays a transition between the Tafel–Volmer route, which dominates at low overpotentials, and the Heyrovsky–Volmer route, predominant at high overpotentials. |
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