Agrawal, Ved Varun and Mahalakshmi, P and Kulkarni, G. U. and Rao, C. N. R. (2005) Nanocrystalline Films of Au−Ag, Au−Cu, and Au−Ag−Cu Alloys Formed at the Organic−Aqueous Interface. Langmuir, 22 (4). pp. 1846-1851.
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By the reaction of the appropriate organometallic precursors and tetrakishydroxymethyl phosphonium chloride (THPC) at the toluene−water interface, we have prepared nanocrystalline films of Au−Ag and Au−Cu alloys with a range of compositions. The films have been characterized by X-ray diffraction, electron microscopy, optical spectroscopy, and other techniques, besides compositional analysis. The particle size of the nanocrystals in the films varies with the composition. The surface plasmon band of the alloy films as well as of the organosols obtained by the disintegration of the films by the addition of an alkanethiol show the expected composition dependence. It has been possible to prepare the nanocrystalline films of a ternary Au−Ag−Cu alloy.
|Subjects:||Material Science > Nanochemistry|
|Divisions:||Faculty of Engineering, Science and Mathematics > School of Physics|
Faculty of Engineering, Science and Mathematics > School of Chemistry
|Deposited On:||20 Jan 2009 09:54|
|Last Modified:||06 May 2009 10:48|
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