Structures and stabilities of alkanethiolate monolayers on palladium clusters as studied by gel permeation chromatography
Article Abstract:
Palladium clusters protected by a series of n-alkanethiolates, Pd:SC(sub n), were prepared by a ligand exchange approach: Pd clusters protected by poly (N-vinyl-2-pyrrolidone) (PVP) were transferred from the aqueous phase to the toluene phase containing the thiols. The structures and stabilities of the thiolate monolayers of the Pd:SC(sub n) clusters were investigated by gel permeation chromatography (GPC).
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 2004
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Ensemble size effects on toluene hydrogenation and hydrogen chemisorption by supported bimetallic particle catalysts
Article Abstract:
Silica-supported bimetallic catalysts, prepared by decomposing the molecular clusters Pt2Au4(C triple bond C(super t)Bu)(sub 8) and Pt2Cu4(C triple bond C(super t)Bu)(sub 8), are studied for hydrogen, oxygen and carbon monoxide chemisorption. The study of chemisorption and catalytic activity depicted CO chemisorption as preferred method for evaluating metal dispersion.
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 2001
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Size-dependent phase transfer of gold nanoparticles from water into toluene by Tetraoctylammonium cations: a wholly electrostatic interaction
Article Abstract:
The cationic tetraoctammonium (TOA(super +)), which can transfer water-based, electrostatically protected gold nanoparticles into the organic phase is presented. In conclusion, the phase transfer is size-dependent, which might help to narrow the size distribution of polydisperse gold nanoparticles.
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 2004
User Contributions:
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