MEASUREMENT OF THE RU SURFACE CONTENT OF ELECTROCODEPOSITED PTRU ELECTRODES WITH THE ELECTROCHEMICAL QUARTZ-CRYSTAL MICROBALANCE - IMPLICATIONS FOR METHANOL AND CO ELECTROOXIDATION

Authors
FRELINK T VISSCHER W VANVEEN JAR
Citation
T. Frelink et al., MEASUREMENT OF THE RU SURFACE CONTENT OF ELECTROCODEPOSITED PTRU ELECTRODES WITH THE ELECTROCHEMICAL QUARTZ-CRYSTAL MICROBALANCE - IMPLICATIONS FOR METHANOL AND CO ELECTROOXIDATION, Langmuir, 12(15), 1996, pp. 3702-3708
Citations number
33
Categorie Soggetti
Chemistry Physical
Journal title
Langmuir → ACNP
ISSN journal
07437463
Volume
12
Issue
15
Year of publication
1996
Pages
3702 - 3708
Database
ISI
SICI code
0743-7463(1996)12:15<3702:MOTRSC>2.0.ZU;2-S
Abstract
To obtain the surface content of Ru is rough electrocodeposited PtRu e lectrodes, the mass change of a Pt electrode during Ru deposition was measured with the electrochemical quartz crystal microbalance (EQCMB). It is shown that there is a correlation between the potential of the surface oxide reduction peak of the PtRu electrode and the surface Ru content. With the EQCMB also the methanol oxidation and oxide formatio n on both Pt and PtRu were studied. Implications for the oxidation of CO and CH3OH are discussed, in the context of which some IR experiment s on CO and PtRu are presented as well.