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Ex Situ X-ray Photoelectron Spectroscopy Study of the Interface between a Ag(111) Electrode and an Alkaline Electrolyte. 1. Influence of the Electrode Potential on the Adsorption of Oxygen Species Full article

Общее Language: Английский, Genre: Full article,
Status: Published, Source type: Original
Journal Langmuir
ISSN: 0743-7463 , E-ISSN: 1520-5827
Output data Year: 1999, Volume: 15, Number: 19, Pages: 6546-6551 Pages count : 6 DOI: 10.1021/la9817617
Authors Savinova E.R. 1 , Zemlyanov D. 2 , Scheybal A. 1 , Schedel-Niedrig Th. 1 , Doblhofer K. 1 , Schlögl R. 1
Affiliations
1 Fritz-Haber-Institut der Max-Planck-Gesellschaft, Faradayweg 4-6, D-14195 Berlin, Germany
2 Boreskov Institute of Catalysis, Russian Academy of Sciences, Pr. Akademika Lavrentieva 5, 630090 Novosibirsk, Russian Federation

Funding (2)

1 Alfred Toepfer Stiftung F.V.S.
2 Max Planck Society

Abstract: A Ag(111) single-crystal electrode emersed from the NaF + NaOH electrolyte (pH 11) under the anodic polarization has been studied ex situ by means of X-ray photoelectron spectroscopy. The oxidation of the electrode starts at −0.6 V vs Hg/HgO (ca. 1 V negative to the reversible potential of Ag2O phase formation) and manifests itself by the appearance of different surface and bulk oxygen-containing species. These are surface OH groups (OHads), surface oxide-like species ( ), and bulk OH groups (OHbulk). The OHbulk exhibit high thermal stability in a vacuum but can be efficiently removed from the electrode via cathodic polarization.
Cite: Savinova E.R. , Zemlyanov D. , Scheybal A. , Schedel-Niedrig T. , Doblhofer K. , Schlögl R.
Ex Situ X-ray Photoelectron Spectroscopy Study of the Interface between a Ag(111) Electrode and an Alkaline Electrolyte. 1. Influence of the Electrode Potential on the Adsorption of Oxygen Species
Langmuir. 1999. V.15. N19. P.6546-6551. DOI: 10.1021/la9817617 publication_identifier_short.wos_identifier_type publication_identifier_short.scopus_identifier_type publication_identifier_short.rinz_identifier_type
Dates:
Submitted: Dec 30, 1998
Accepted: Apr 7, 1999
Published online: Jul 23, 1999
Published print: Sep 1, 1999
Identifiers:
publication_identifier.wos_identifier_type WOS:000082618800058
publication_identifier.scopus_identifier_type 2-s2.0-0032655711
publication_identifier.rinz_identifier_type 13322315
publication_identifier.accession_number_identifier_type 1999:455176
publication_identifier.chemical_accession_number_identifier_type 131:176293
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