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Graf M, Haensch M, Carstens J, et al. Electrocatalytic methanol oxidation with nanoporous gold: microstructure and selectivity. Nanoscale. 2017;9(45):17839-17848doi: 10.1039/c7nr05124g.
Graf, M., Haensch, M., Carstens, J., Wittstock, G., & Weissmüller, J. (2017). Electrocatalytic methanol oxidation with nanoporous gold: microstructure and selectivity. Nanoscale, 9(45), 17839-17848. https://doi.org/10.1039/c7nr05124g
Graf, Matthias, et al. "Electrocatalytic methanol oxidation with nanoporous gold: microstructure and selectivity." Nanoscale vol. 9,45 (2017): 17839-17848. doi: https://doi.org/10.1039/c7nr05124g
Graf M, Haensch M, Carstens J, Wittstock G, Weissmüller J. Electrocatalytic methanol oxidation with nanoporous gold: microstructure and selectivity. Nanoscale. 2017 Nov 23;9(45):17839-17848. doi: 10.1039/c7nr05124g. PMID: 29116276.
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Nanoscale. 2017 Nov 23;9(45):17839-17848. doi: 10.1039/c7nr05124g.

Electrocatalytic methanol oxidation with nanoporous gold: microstructure and selectivity.

Nanoscale

Matthias Graf, Mareike Haensch, Jörg Carstens, Gunther Wittstock, Jörg Weissmüller

Affiliations

  1. Institute of Materials Physics and Technology, Hamburg University of Technology, Hamburg, Germany. [email protected].

PMID: 29116276 DOI: 10.1039/c7nr05124g

Abstract

The properties of Nanoporous Gold (NPG) obtained by the selective dissolution of Ag from an Au-Ag alloy can be tuned by the details of its fabrication, and specifically the residual Ag content is correlated to the ligament size of the material. We link this correlation to methanol electro-oxidation. Specifically, two different NPG types (obtained by potentiostatic dealloying) are compared with one obtained by free corrosion. They show remarkable differences in activity. Quantitative product analysis reveals that NPG shows nearly selective oxidation of CH

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