Probing outer-sphere adsorption of aqueous metal complexes at the oxide-water interface with resonant anomalous X-ray reflectivity

Resonant anomalous x-ray reflectivity near the Pt L(III) edge simultaneously revealed the geometric and spectroscopic structures of Pt(NH(3))(4)(2+) ions adsorbed at the quartz(100)-water interface. The derived Pt geometric subprofile shows two discrete "outer-sphere" adsorbed layers, and...

Ausführliche Beschreibung

Gespeichert in:

Bibliographische Detailangaben
Veröffentlicht in:	Physical review letters 2005-02, Vol.94 (7), p.076104.1-076104.4, Article 076104
Hauptverfasser:	PARK, Changyong, FENTER, Paul A, STURCHIO, Neil C, REGALBUTO, John R
Format:	Artikel
Sprache:	eng
Schlagworte:	ABSORPTION ADSORPTION CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS COMPLEXES Condensed matter: structure, mechanical and thermal properties Exact sciences and technology INTERFACES IONS LAYERS METALS ORGANOMETALLIC COMPOUNDS OXIDES Physics PLATINUM COMPOUNDS QUARTZ REFLECTIVITY Solid surfaces and solid-solid interfaces Surfaces and interfaces thin films and whiskers (structure and nonelectronic properties) WATER
Online-Zugang:	Volltext
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!

Beschreibung
Zusammenfassung:	Resonant anomalous x-ray reflectivity near the Pt L(III) edge simultaneously revealed the geometric and spectroscopic structures of Pt(NH(3))(4)(2+) ions adsorbed at the quartz(100)-water interface. The derived Pt geometric subprofile shows two discrete "outer-sphere" adsorbed layers, and the interface-specific x-ray absorption edge profile exhibits a significant white-line enhancement compared to the bulk-solution species.
ISSN:	0031-9007 1079-7114
DOI:	10.1103/PhysRevLett.94.076104