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Structures and optical properties of 4-5 nm bimetallic AgAu nanoparticles

Li, Z. Y. and Wilcoxon, J. P. and Yin, F. and Chen, Y. and Palmer, R. E. and Johnston, R. L. and Chen, Yu (2008) Structures and optical properties of 4-5 nm bimetallic AgAu nanoparticles. Faraday Discussions, 138. pp. 363-373. ISSN 1359-6640

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Abstract

Three types of bimetallic AgAu nanoparticles, with mean size of 4-5 nm, AgcoreAushell, AucoreAgshell and alloyed AgAu, have been synthesized using an inverse micelle method. To image these small size nanoparticles, quantitative high angle annular dark field imaging using scanning transmission electron microscopy was successfully applied. Our results show that good control of nanoparticle size dispersion and composition modulation was achieved. Optical properties of the nanoparticles are correlated with direct internal structure analysis. The structural stability is discussed, based on thermodynamic considerations.

Item type: Article
ID code: 35382
Keywords: silver-gold clusters, liquid chromatography , transition metals, nanoalloys, alloys, nanoclusters, Solid state physics. Nanoscience, Physical and Theoretical Chemistry
Subjects: Science > Physics > Solid state physics. Nanoscience
Department: Faculty of Science > Physics
Faculty of Engineering > Mechanical and Aerospace Engineering
Related URLs:
    Depositing user: Pure Administrator
    Date Deposited: 28 Oct 2011 14:14
    Last modified: 05 Sep 2014 13:08
    URI: http://strathprints.strath.ac.uk/id/eprint/35382

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