Issue 61, 2013
From the journal:

Chemical Communications

Mobility on the reconstructed Pt(100)-hex surface in ethylene and in its mixture with hydrogen and carbon monoxide†

Derek R. Butcher,‡ab   Zhongwei Zhu,‡ab   Baohua Mao,c   Hailiang Wang,ab   Zhi Liu,c   Miquel Salmeron*bd  and  Gabor A. Somorjai*ab  

* Corresponding authors

a Department of Chemistry, University of California, Berkeley, California, USA
E-mail: somorjai@berkeley.edu

b Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California, USA
E-mail: mbsamelron@lbl.gov

c Advanced Light Source, Lawrence Berkeley National Laboratory, Berkeley, California, USA

d Department of Materials Science and Engineering, University of California, Berkeley, California, USA

Abstract

By using high-pressure scanning tunneling microscopy and ambient-pressure X-ray photoelectron spectroscopy, we studied the mobility along with composition, structure and reactivity on the Pt(100)-hex surface. Adsorbates are mobile under 1 Torr of C2H4 and C2H4–H2 mixtures, but adding 3 mTorr of CO quenches the mobility. Ethylene-related adsorbates can also weaken Pt–Pt bonds and thus facilitate displacements in the hexagonal layer.

Graphical abstract: Mobility on the reconstructed Pt(100)-hex surface in ethylene and in its mixture with hydrogen and carbon monoxide

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Article information

DOI
https://doi.org/10.1039/C3CC42312C
Article type
Communication
Submitted
29 Mar 2013
Accepted
11 Jun 2013
First published
12 Jun 2013

Chem. Commun., 2013,49, 6903-6905

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Mobility on the reconstructed Pt(100)-hex surface in ethylene and in its mixture with hydrogen and carbon monoxide

D. R. Butcher, Z. Zhu, B. Mao, H. Wang, Z. Liu, M. Salmeron and G. A. Somorjai, Chem. Commun., 2013, 49, 6903 DOI: 10.1039/C3CC42312C

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