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@ARTICLE{Hara:58662,
author = {Hara, M. and Linke, U. and Wandlowski, Th.},
title = {{P}reparation and {E}lectrochemical {C}haracterization of
{P}alladium {S}ingle {C}rystal {E}lectrodes in 0.1 {M}
{H}2{SO}4 and 0.1 {M} {HC}l{O}4 - {L}ow {I}ndex phases},
journal = {Electrochimica acta},
volume = {52},
issn = {0013-4686},
address = {New York, NY [u.a.]},
publisher = {Elsevier},
reportid = {PreJuSER-58662},
pages = {5733 - 5748},
year = {2007},
note = {Record converted from VDB: 12.11.2012},
abstract = {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.},
keywords = {J (WoSType)},
cin = {CNI / IBN-3 / JARA-FIT},
ddc = {540},
cid = {I:(DE-Juel1)VDB381 / I:(DE-Juel1)VDB801 /
$I:(DE-82)080009_20140620$},
pnm = {Grundlagen für zukünftige Informationstechnologien},
pid = {G:(DE-Juel1)FUEK412},
shelfmark = {Electrochemistry},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000246655300027},
doi = {10.1016/j.electacta.2006.11.048},
url = {https://juser.fz-juelich.de/record/58662},
}