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Zeitschrift für Physikalische Chemie

International journal of research in physical chemistry and chemical physics

Editor-in-Chief: Rademann, Klaus

12 Issues per year


IMPACT FACTOR 2016: 1.012

CiteScore 2016: 0.99

SCImago Journal Rank (SJR) 2016: 0.463
Source Normalized Impact per Paper (SNIP) 2016: 0.470

Online
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2196-7156
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Volume 216, Issue 10

Issues

Electrodeposition of Copper on Pt(111) Pretreated with Organic Adsorbates

C. Alonso / A.B. Salomón / H.D. Abruna
Published Online: 2009-09-25 | DOI: https://doi.org/10.1524/zpch.2002.216.10.1185

The deposition of copper on Pt(111) has been studied in the underpotential (UPD) and overpotential (OPD) regions using cyclic voltammetry in the presence of organic co-adsorbates including pyridine, pyrazine, 2,2’-bipyridine, 4,4’-bipyridine, 4-phenylpyridine, 1,2-bis(4-pyridyl)ethane and 1,2-bis(4-pyridyl)ethylene dissolved in either 0.5 M H2SO4 or water. Adsorbates bind primarily through a ring nitrogen atom, delaying both UPD and OPD processes according to the bond strength of the adsorbed layer. These adsorbates also show a significant pH dependence due to protonation of the binding nitrogen atom. Their behavior has been compared in neutral and acid media, taking into account packing density, molecular footprints, adsorbed layer thickness, ability to form complexes with copper ions, and adsorption strength.

About the article

Published Online: 2009-09-25

Published in Print: 2002-10-01


Citation Information: Zeitschrift für Physikalische Chemie, Volume 216, Issue 10, Pages 1185–, ISSN (Online) 2196-7156, ISSN (Print) 0942-9352, DOI: https://doi.org/10.1524/zpch.2002.216.10.1185.

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