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  5. Structure and Chemical State of the Pt(557) Surface during Hydrogen Oxidation Reaction Studied by in Situ Scanning Tunneling Microscopy and X-ray Photoelectron Spectroscopy

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Article
en
2013

Structure and Chemical State of the Pt(557) Surface during Hydrogen Oxidation Reaction Studied by in Situ Scanning Tunneling Microscopy and X-ray Photoelectron Spectroscopy

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en
2013
Vol 135 (34)
Vol. 135
DOI: 10.1021/ja406497s

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Gabor Somorjai
Gabor Somorjai

University of California, Berkeley

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Zhongwei Zhu
Gérôme Melaet
Stephanus Axnanda
+4 more

Abstract

The surface structure of Pt(557) during the catalytic oxidation of hydrogen was studied with in situ scanning tunneling microscopy and X-ray photoelectron spectroscopy. At 298 K, the surface Pt oxide formed after exposing Pt(557) to approximately 1 Torr of O2 can be readily removed by H2, at H2 partial pressures below 50 mTorr. Water is detected as the product in the gas phase, which also coadsorbs with hydroxyl groups on the Pt(557) surface.

How to cite this publication

Zhongwei Zhu, Gérôme Melaet, Stephanus Axnanda, Selim Alayoǧlu, Zhi Liu, Miquel Salmerón, Gabor Somorjai (2013). Structure and Chemical State of the Pt(557) Surface during Hydrogen Oxidation Reaction Studied by in Situ Scanning Tunneling Microscopy and X-ray Photoelectron Spectroscopy. , 135(34), DOI: https://doi.org/10.1021/ja406497s.

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Publication Details

Type

Article

Year

2013

Authors

7

Datasets

0

Total Files

0

Language

en

DOI

https://doi.org/10.1021/ja406497s

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