4.7 Article

Direct evidence by in situ IR CO monitoring of the formation and the surface segregation of a Pt-Sn alloy

Journal

CHEMICAL COMMUNICATIONS
Volume 50, Issue 62, Pages 8590-8592

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c4cc03208j

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The heat of CO adsorption on the Pt atoms of a Pt-Sn alloy phase could be specifically determined from in situ DRIFTS data and was found to be about half that measured on a plain Pt reference. Surprisingly, a reversible surface segregation of the Pt-Sn alloy was observed at temperatures below 175 degrees C.

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