Journal
NANO RESEARCH
Volume 1, Issue 3, Pages 229-234Publisher
TSINGHUA UNIV PRESS
DOI: 10.1007/s12274-008-8026-3
Keywords
Nanoparticle synthesis; Au nanoparticles; catalysis; CO oxidation
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Funding
- NSF/DMR [0606264]
- GAANN fellowship
- Division Of Materials Research
- Direct For Mathematical & Physical Scien [0606264] Funding Source: National Science Foundation
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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 HAuCl(4)center dot 3H(2)O 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 degrees C.
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