Structure, characterization and reactivity of Pt-Sn surface alloys

Bruce E. Koel

doi:10.1007/978-0-387-98049-2_2

Structure, characterization and reactivity of Pt-Sn surface alloys

Bruce E. Koel

Research output: Chapter in Book/Report/Conference proceeding › Chapter

4 Scopus citations

Abstract

Thermally stable, ordered surface alloys of Sn and Pt that isolate threefold Pt, twofold Pt, and single-Pt atom sites can be produced by controlled deposition of Sn onto Pt single crystals and annealing. The structure was established by characterization with several techniques, including ALISS, XPD, LEED, and STM. Chemisorption and catalysis studies of these well-defined, bimetallic surfaces also define the overall chemical reactivity of Pt-Sn alloys, clarify the role of a second-metal component in altering chemistry and catalysis on Pt alloys, and develop general principles that describe the reactivity and selectivity of bimetallic alloy catalysts.

Original language	English (US)
Title of host publication	Model Systems in Catalysis
Subtitle of host publication	Single Crystals to Supported Enzyme Mimics
Publisher	Springer New York
Pages	29-50
Number of pages	22
ISBN (Print)	9780387980416
DOIs	https://doi.org/10.1007/978-0-387-98049-2_2
State	Published - 2010
Externally published	Yes

All Science Journal Classification (ASJC) codes

General Materials Science
General Chemistry

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10.1007/978-0-387-98049-2_2

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AB - Thermally stable, ordered surface alloys of Sn and Pt that isolate threefold Pt, twofold Pt, and single-Pt atom sites can be produced by controlled deposition of Sn onto Pt single crystals and annealing. The structure was established by characterization with several techniques, including ALISS, XPD, LEED, and STM. Chemisorption and catalysis studies of these well-defined, bimetallic surfaces also define the overall chemical reactivity of Pt-Sn alloys, clarify the role of a second-metal component in altering chemistry and catalysis on Pt alloys, and develop general principles that describe the reactivity and selectivity of bimetallic alloy catalysts.

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BT - Model Systems in Catalysis

PB - Springer New York

ER -

Structure, characterization and reactivity of Pt-Sn surface alloys

Abstract

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