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Polyaniline Electrodes with Atomic Au n Pd1 Alloys: Oxidation of Methanol and Ethanol

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Abstract

The effect of addition of one atom of palladium to n atoms of gold (n = 1–5) dispersed in polyaniline electrodes, for the electrooxidation of methanol and ethanol in alkaline solution has been investigated. For comparison, oxidation at pure atomic metal electrodes, Pt/PANI–Au n=2–7 and Pt/PANI–Pd n=2–6, was performed. It is shown that the one added Pd atom affects the oxidation peak currents and makes a significant difference in selectivity. Similar to our previous studies, the electrocatalytic activity has been correlated with the theoretically predicted HOMO–LUMO gap energies for the atomic metal alloys.

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Effect of addition of one atom of Pd to Au n in polyaniline

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Acknowledgments

Funding provided for this study from the Georgia Research Alliance is greatly appreciated.

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Authors and Affiliations

  1. School of Chemistry and Biochemistry, Georgia Institute of Technology, Atlanta, GA, 30332-0400, USA

    Ilana T. Schwartz, Alex P. Jonke, Mira Josowicz & Jiří Janata

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  1. Ilana T. Schwartz
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  2. Alex P. Jonke
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  3. Mira Josowicz
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  4. Jiří Janata
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Correspondence to Jiří Janata.

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Schwartz, I.T., Jonke, A.P., Josowicz, M. et al. Polyaniline Electrodes with Atomic Au n Pd1 Alloys: Oxidation of Methanol and Ethanol. Catal Lett 143, 636–641 (2013). https://doi.org/10.1007/s10562-013-1029-z

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  • DOI: https://doi.org/10.1007/s10562-013-1029-z

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