Preparation and optical aborption spectra of AucorePtshell and PtcoreAushell colloidal nanoparticles in aqueous solution

Authors
Henglein, A
Citation
A. Henglein, Preparation and optical aborption spectra of AucorePtshell and PtcoreAushell colloidal nanoparticles in aqueous solution, J PHYS CH B, 104(10), 2000, pp. 2201-2203
Citations number
14
Categorie Soggetti
Physical Chemistry/Chemical Physics
Journal title
JOURNAL OF PHYSICAL CHEMISTRY B
ISSN journal
15206106 → ACNP
Volume
104
Issue
10
Year of publication
2000
Pages
2201 - 2203
Database
ISI
SICI code
1520-6106(20000316)104:10<2201:PAOASO>2.0.ZU;2-Z
Abstract
Bimetallic gold and platinum particles of the Pt-Au and Au-Pt core-shell ty pe are prepared using hydrogen reduction and radiolysis techniques. The opt ical absorption spectra are recorded and compared to various Au-Pt particle s described in the literature. AucorePtshell particles catalyze the hydroge n reduction of silver ions to yield trimetallic particles.