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Research Article | Open Access

A Facile Synthesis of Monodisperse Au Nanoparticles and Their Catalysis ofCO Oxidation

Sheng Peng1, Youngmin Lee1, Chao Wang1, Hongfeng Yin2, Sheng Dai2, Shouheng Sun1( )
Department of Chemistry Brown University, ProvidenceRhode Island 02912 USA
Chemical Sciences Division Oak Ridge National LaboratoryTennessee 37831 USA
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Abstract

Monodisperse Au nanoparticles (NPs) have been synthesized at room temperature via a burst nucleation of Au upon injection of the reducing agent t-butylamine-borane complex into a 1, 2, 3, 4-tetrahydronaphthalene solution of HAuCl4·3H2O in the presence of oleylamine. The as-synthesized Au NPs show size-dependent surface plasmonic properties between 520 and 530 nm. They adopt an icosahedral shape and are polycrystalline with multiple-twinned structures. When deposited on a graphitized porous carbon support, the NPs are highly active for CO oxidation, showing 100% CO conversion at −45 ℃.

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Keywords

Nanoparticle synthesisAu nanoparticlescatalysisCO oxidation

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Nano Research
Volume 1 Issue 3,
March 2008
Pages 229-234
DOI: 10.1007/s12274-008-8026-3

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Cite this article:
Peng S, Lee Y, Wang C, et al. A Facile Synthesis of Monodisperse Au Nanoparticles and Their Catalysis ofCO Oxidation. Nano Research, 2008, 1(3): 229-234. https://doi.org/10.1007/s12274-008-8026-3

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Received: 17 June 2008
Revised: 19 July 2008
Accepted: 24 July 2008
Published: 01 March 2008
© Tsinghua Press and Springer-Verlag 2008

This article is published with open access at Springerlink.com