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자연과학대학
화학·나노과학전공
Journal papers
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Interaction of Pd cluster anions (Pdn -, n < 11) with oxygen
Title
Interaction of Pd cluster anions (Pdn -, n < 11) with oxygen
Authors
Von Gynz-Rekowski F.
;
Gantefor G.
;
Kim Y.D.
Ewha Authors
김영독
SCOPUS Author ID
김영독
Issue Date
2007
Journal Title
European Physical Journal D
ISSN
1434-6060
Citation
European Physical Journal D vol. 43, no. 41277, pp. 81 - 84
Indexed
SCI; SCIE; SCOPUS
Document Type
Conference Paper
Abstract
Interactions between oxygen and Pd cluster anions were studied using Time-of-Flight (ToF) mass spectrometry and Ultraviolet Photoelectron Spectroscopy (UPS). In contrast to the coinage metal clusters, no pronounced size selectivity towards chemisorption of oxygen molecules can be observed for the Pd cluster anions: regardless of the cluster size, no more than 2 oxygen molecules can be attached to a cluster. When PdnOm - clusters are prepared by pre-dissociation of oxygen molecules by electric arc and post-reaction with Pd, the proportion of Pd cluster anions reacted with oxygen does not much change compared to the case of the reaction between Pd cluster anions and O2 molecules. This result indicates that the O2 chemisorption on Pd cluster anions does not involve large activations barriers: using different synthesis method of a cluster, one can get a better insight into the chemisorption routes of molecules on metal clusters. © EDP Sciences/Società Italiana di Fisica/Springer-Verlag 2007.
DOI
10.1140/epjd/e2007-00107-8
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