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Titolo:
IN-SITU AND REAL-TIME STUDY OF AN ELECTRODE PROCESS BY DIFFERENTIAL X-RAY-DIFFRACTION .1. AG UNDERPOTENTIAL DEPOSITION ON AU(111)
Autore:
CHABALA ED; RAMADAN AR; BRUNT T; RAYMENT T;
Indirizzi:
UNIV CAMBRIDGE,CHEM LAB,DEPT CHEM,LENSFIELD RD CAMBRIDGE CB2 1EW ENGLAND UNIV CAMBRIDGE,CHEM LAB,DEPT CHEM CAMBRIDGE CB2 1EW ENGLAND
Titolo Testata:
Journal of electroanalytical chemistry [1992]
fascicolo: 1-2, volume: 412, anno: 1996,
pagine: 67 - 75
Fonte:
ISI
Lingua:
ENG
Soggetto:
SCANNING TUNNELING MICROSCOPY; ABSORPTION FINE-STRUCTURE; SOLUTION INTERFACES; STANDING-WAVE; SILVER 111; INSITU; SURFACE; LEAD; SCATTERING; MONOLAYERS;
Keywords:
X-RAY DIFFRACTION; ELECTROCHEMICAL INTERFACE; UNDERPOTENTIAL DEPOSITION; AG; IN SITU STUDY; REAL TIME STUDY;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
48
Recensione:
Indirizzi per estratti:
Citazione:
E.D. Chabala et al., "IN-SITU AND REAL-TIME STUDY OF AN ELECTRODE PROCESS BY DIFFERENTIAL X-RAY-DIFFRACTION .1. AG UNDERPOTENTIAL DEPOSITION ON AU(111)", Journal of electroanalytical chemistry [1992], 412(1-2), 1996, pp. 67-75

Abstract

The underpotential deposition of Ag on Au(111) was used to demonstrate the adsorption of monolayers at the electrode\electrolyte interface and their measurement with X-ray diffraction in situ and in real time. The information obtained is that of the adlayer spacing during the monolayer formation with respect to the interplanar spacing in the bulk of the substrate. Although it was not straightforward to assign the spacings of the Ag adlayer to adsorption sites on the Au(111) electrode,it was possible to observe phase transitions in the adlayer during underpotential deposition. Detailed theory of the differential X-ray diffraction phenomenon and data analysis is given. A conventional laboratory source of X-rays was used.

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Documento generato il 01/12/20 alle ore 16:43:49