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Zeitschrift für Physikalische Chemie

International journal of research in physical chemistry and chemical physics

Editor-in-Chief: Rademann, Klaus


IMPACT FACTOR 2018: 0.975
5-year IMPACT FACTOR: 1.021

CiteScore 2018: 1.20

SCImago Journal Rank (SJR) 2018: 0.327
Source Normalized Impact per Paper (SNIP) 2018: 0.391

Online
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2196-7156
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Volume 227, Issue 9-11

Issues

Electronic Excitations in the Course of the Reaction of H with Coinage and Noble Metal Surfaces: A Comparison

Beate Schindler
  • Fachbereich Chemie and Center for Nanointegration (CENIDE), Universität Duisburg-Essen, Universitätsstr. 5, 45141 Essen, Germany
  • Other articles by this author:
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/ Detlef Diesing
  • Fachbereich Chemie and Center for Nanointegration (CENIDE), Universität Duisburg-Essen, Universitätsstr. 5, 45141 Essen, Germany
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
/ Eckart Hasselbrink
  • Corresponding author
  • Fachbereich Chemie and Center for Nanointegration (CENIDE), Universität Duisburg-Essen, Universitätsstr. 5, 45141 Essen, Germany
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Published Online: 2013-06-17 | DOI: https://doi.org/10.1524/zpch.2013.0408

Abstract

The creation of electronic excitations during the reaction of atomic hydrogen on and with coinage and noble metals has been studied using metal-insulator-metal heterostructures. A characteristic current trace is observed when the outer metal surface of the structure is exposed to a 20 s pulse of H atoms. Comparison to the chemical kinetics allows to disentangle the contributions from the different chemical processes to this current. In the case of the coinage metals studied the observation is interpreted to suggest that predominantly electrons excited in connection with the hydrogen recombination reaction are the source of the current. For Pt such phenomenon is not observed. This difference allows insights into the role of the transition state for the non-adiabaticity in this simple chemical reaction.

Keywords: Surface Science; Gas–Surface Dynamics; Non-Adiabaticy; Thin Metal Films; Recombination Dynamics; Heterostructures

About the article

Received: 2013-03-01

Published Online: 2013-06-17

Published in Print: 2013-11-01


Citation Information: Zeitschrift für Physikalische Chemie, Volume 227, Issue 9-11, Pages 1381–1395, ISSN (Online) 2196-7156, ISSN (Print) 0942-9352, DOI: https://doi.org/10.1524/zpch.2013.0408.

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© 2013 by Walter de Gruyter Berlin Boston. This article is distributed under the terms of the Creative Commons Attribution Non-Commercial License, which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited. BY-NC-ND 4.0

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