Formation of Au/Pd Alloy Nanoparticles on TMV

被引：37
|
作者：
Lim, Jung-Sun [1 ]
Kim, Seung-Min [2 ]
Lee, Sang-Yup [3 ]
Stach, Eric A. [2 ]
Culver, James N. [4 ]
Harris, Michael T. [1 ]
机构：
[1] Purdue Univ, Sch Chem Engn, W Lafayette, IN 47906 USA
[2] Purdue Univ, Sch Mat Engn, W Lafayette, IN 47906 USA
[3] Yonsei Univ, Dept Chem & Biomol Engn, Seoul 120749, South Korea
[4] Univ Maryland, Inst Biotechnol, Ctr Biosyst Res, College Pk, MD 20742 USA
来源：
JOURNAL OF NANOMATERIALS | 2010年 / 2010卷
关键词：
TOBACCO-MOSAIC-VIRUS; NANOCRYSTAL GROWTH; PEPTIDE NANOTUBES; NANOWIRES; GOLD(III); SURFACE; SEMICONDUCTOR; PALLADIUM(II); DEPOSITION; SPECIATION;
D O I：
10.1155/2010/620505
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
A gold-palladium (AuPd) solid solution alloy was successfully deposited on the genetically engineered tobacco mosaic virus (TMV1Cys) by the biosorption of Au(III) and Pd(II) precursors and the reduction of the Au(III) and Pd(II) to their respective metals or metal alloy. The resulting morphologies of alloy nanoparticles deposited on the TMV1Cys were observed with transmission electron microscopy (TEM), and the AuPd alloy formation was supported with surface plasmon resonance (SPR) and selected area electron diffraction (SAED). In addition, selected alloy nanoparticles on the TMV1Cys were analyzed further with electron energy loss spectroscopy (EELS) to confirm the presence of gold and palladium. Our result implies that biotemplated metal mineralization is a potentially useful methodology to prepare alloy nanoparticles.
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页数：6
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