Photoreduction kinetics of sodium tetrachloroaurate under synchrotron soft X-ray exposure

Bibliographische Detailangaben
Veröffentlicht in:	Langmuir : the ACS journal of surfaces and colloids. - 1992. - 27(2011), 13 vom: 05. Juli, Seite 8099-104
1. Verfasser:	Fong, Yuen-Yan (VerfasserIn)
Weitere Verfasser:	Visser, Bradley R, Gascooke, Jason R, Cowie, Bruce C C, Thomsen, Lars, Metha, Gregory F, Buntine, Mark A, Harris, Hugh H
Format:	Online-Aufsatz
Sprache:	English
Veröffentlicht:	2011
Zugriff auf das übergeordnete Werk:	Langmuir : the ACS journal of surfaces and colloids
Schlagworte:	Journal Article Chlorides Gold Compounds Gold 7440-57-5 gold tetrachloride, acid 8H372EGX3V Silicon Z4152N8IUI

Beschreibung
Zusammenfassung:	© 2011 American Chemical Society We report on the time evolution of the sodium tetrachloroaurate (NaAuCl(4)) chemical properties as a function of soft X-ray exposure in a dried sample on a silicon surface using X-ray photoelectron spectroscopy (XPS). Our investigations provide mechanistic insight into the photoreduction kinetics from Au(III) to Au(I) and then Au(I) to Au(0). We unambiguously show that XPS photoreduction occurs in stepwise fashion via the Au(I) state. Both photoreduction steps undergo first-order kinetics
Beschreibung:	Date Completed 18.10.2011 Date Revised 23.11.2015 published: Print-Electronic Citation Status MEDLINE
ISSN:	1520-5827
DOI:	10.1021/la200463k