Experimental indications for the existence of different states of palladium(0) at the surface of carbon paste electrodes

The deposition and dissolution of palladium(0) at non-modified carbon paste electrode (CPE) is studied in aqueous chloride solution. During the dissolution one or two Pd oxidation peaks are observed at + 0.1 V and about + 0.45 V vs. SCE, indicating the existence of different states of Pd 0 at the CP...

Full description

Saved in:
Bibliographic Details
Published inElectrochemistry communications Vol. 3; no. 2; pp. 102 - 106
Main Authors Lubert, Karl-Heinz, Guttmann, Markus, Beyer, Lothar, Kalcher, Kurt
Format Journal Article
LanguageEnglish
Published Lausanne Elsevier B.V 01.02.2001
Amsterdam Elsevier Science
New York, NY
Subjects
Carbon paste electrode
Chemistry
Electrochemistry
Electrodeposition
Exact sciences and technology
General and physical chemistry
Monolayer
Palladium
Study of interfaces
Surface state
Voltammetry
Monolayer
Voltammetry
Palladium
Carbon paste electrode
Surface state
Platinoid Compounds
Multilayer
Transition metal Compounds
Palladium chloride
Carbon electrode
Electrode electrolyte interface
Experimental study
Cyclic voltammetry
Oxidation potential
Electrodissolution
Paste electrode
Aqueous solution
Physicochemical properties
Online AccessGet full text

Cover

More Information
Summary:The deposition and dissolution of palladium(0) at non-modified carbon paste electrode (CPE) is studied in aqueous chloride solution. During the dissolution one or two Pd oxidation peaks are observed at + 0.1 V and about + 0.45 V vs. SCE, indicating the existence of different states of Pd 0 at the CPE. In accordance with the experimental results it is assumed that a palladium monolayer is formed when low amounts of Pd are deposited and that multilayers are formed in the case of larger amounts of deposited palladium. The formation of a metal monolayers at CPE is described for the first time.
ISSN:1388-2481
1873-1902
DOI:10.1016/S1388-2481(01)00115-1