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005     20180211164323.0
024 7 _ |2 DOI
|a 10.1016/j.electacta.2006.11.048
024 7 _ |2 WOS
|a WOS:000246655300027
037 _ _ |a PreJuSER-58662
041 _ _ |a eng
082 _ _ |a 540
084 _ _ |2 WoS
|a Electrochemistry
100 1 _ |a Hara, M.
|b 0
|u FZJ
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245 _ _ |a Preparation and Electrochemical Characterization of Palladium Single Crystal Electrodes in 0.1 M H2SO4 and 0.1 M HClO4 - Low Index phases
260 _ _ |a New York, NY [u.a.]
|b Elsevier
|c 2007
300 _ _ |a 5733 - 5748
336 7 _ |a Journal Article
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336 7 _ |a ARTICLE
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336 7 _ |a JOURNAL_ARTICLE
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336 7 _ |a article
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440 _ 0 |a Electrochimica Acta
|x 0013-4686
|0 1776
|v 52
500 _ _ |a Record converted from VDB: 12.11.2012
520 _ _ |a The electrochemical properties of Pd(1 1 1), Pd(1 0 0) and Pd(1 1 0) single crystal bead electrodes, prepared by a novel electron beam heating and inductive annealing technique, have been characterized in 0.1 M sulfuric acid and 0.1 M perchloric acid by cyclic voltammetry and chronoamperometry. Hydrogen and (hydrogen) sulfate adsorption as well as surface oxidation were found to depend strongly on the crystallographic orientation and the nature of the electrolyte. The combination of charge displacement and voltammetric experiments allowed the determination of the potentials of zero total charge (E-pztc) of Pd(1 1 1) and Pd(1 0 0). The values of E-pztc in sulfuric acid were found to be more negative than in perchloric acid. The estimation of E-pztc for Pd(1 1 0) was hampered by the superposition with hydrogen absorption. The electro-oxidation of irreversible adsorbed carbon monoxide monolayers was studied on the three low-index Pd electrodes. The onset potential of the CO oxidation reaction follows the sequence Pd(1 0 0) < Pd(1 1 0) < Pd(1 1 1). Chronoamperometric experiments revealed a pronounced structure sensitivity of the reaction kinetics. The processes involved are determined by nucleation of oxygen-containing species on defect (step) sites and by slow diffusion of COads on (1 1 1) terrace sites. (c) 2006 Elsevier Ltd. All rights reserved.
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653 2 0 |2 Author
|a Pd(h k 1) electrodes
653 2 0 |2 Author
|a potential of zero total charge
653 2 0 |2 Author
|a CO displacement
653 2 0 |2 Author
|a electro-oxidation
700 1 _ |a Linke, U.
|b 1
|u FZJ
|0 P:(DE-Juel1)VDB23435
700 1 _ |a Wandlowski, Th.
|b 2
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|0 P:(DE-Juel1)VDB9859
773 _ _ |a 10.1016/j.electacta.2006.11.048
|g Vol. 52, p. 5733 - 5748
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|0 PERI:(DE-600)1483548-4
|t Electrochimica acta
|v 52
|y 2007
|x 0013-4686
856 7 _ |u http://dx.doi.org/10.1016/j.electacta.2006.11.048
909 C O |o oai:juser.fz-juelich.de:58662
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914 1 _ |y 2007
915 _ _ |0 StatID:(DE-HGF)0010
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920 1 _ |d 14.09.2008
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920 1 _ |d 31.12.2010
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