Size- and Composition-Controlled Au-Ga Aerosol Nanoparticles

A simple gas-phase method has been developed for producing size- and composition-controlled nanoparticles of binary alloys. The process includes the formation and classification of aerosol nanoparticles of one material and the subsequent condensation of a controlled shell of another. The shell thick...

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Bibliographic Details
Published in:Aerosol science and technology 2004-09, Vol.38 (9), p.948-954
Main Authors: Karlsson, Martin N. A., Deppert, Knut, Magnusson, Martin H., Karlsson, Lisa S., Malm, Jan-Olle
Format: Article
Language:English
Subjects:
Aerosols
Chemistry
Colloidal state and disperse state
Exact sciences and technology
General and physical chemistry
Physical and chemical studies. Granulometry. Electrokinetic phenomena
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Summary:A simple gas-phase method has been developed for producing size- and composition-controlled nanoparticles of binary alloys. The process includes the formation and classification of aerosol nanoparticles of one material and the subsequent condensation of a controlled shell of another. The shell thickness is controlled by the evaporation temperature of the second material. Here we study the Au-Ga system with particle compositions ranging from pure Au to 50 atomic percent Ga. Transmission electron microscopy was used to study the morphology, composition, and structure of the generated particles.
ISSN:0278-6826
1521-7388
DOI:10.1080/027868290511254