Journal
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
Volume 348, Issue 1-3, Pages 191-195Publisher
ELSEVIER
DOI: 10.1016/j.colsurfa.2009.07.013
Keywords
Platinum; Glucose; Hydrothermal; Reduction; Nanowire
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Funding
- Battelle Memorial Institute for the U.S. Department of Energy [DE-AC06-76RL0 1830]
- Ministry of Knowledge Economy, Republic of Korea
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A completely green synthetic approach has been developed for the reduction and stabilization of Pt nanoparticles followed by self-assembly into nanowires in an aqueous beta-D-glucose solution. Hydrothermal treatment initiated the reduction of Pt(IV) ions dispersed in a pH 8.0 beta-D-glucose Solution. The Pt nanoparticles were stabilized with oxidized glucose molecules. The Pt nanoparticles continued growing into nanowires followed by transformation into Cubic nanocrystals with a tough needle Surface. Evidence from TEM and FT-IR spectra reveal that carboxylate groups, which are generated by the oxidation of beta-D-glucose, strongly interact with and stabilize the surface of these Pt nanostructures. (c) 2009 Elsevier B.V. All rights reserved.
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