De, Goutam and Rao, C. N. R. (2004) Two-Dimensional Au and Au−Cu Alloy Nanocrystals with Orientation in (111) Plane Embedded in Glassy Silica Films. THE JOURNAL OF PHYSICAL CHEMISTRY B, 107 (49). pp. 13597-13600.
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Triangular Au and disk-shaped Au−Cu alloy nanocrystals have been generated in thin SiO2 film matrixes, by sol−gel spin-coating followed by annealing at 800 °C in 10%H2−90%Ar. Transmission electron microscope images confirm the shapes of the embedded nanocrystals. X-ray diffraction patterns reveal that the Au and Au−Cu nanocrystals have a (111) orientation. The disk-shaped alloy nanocrystals exhibit surface plasmon absorption at wavelengths intermediate between those of Au and Cu
|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:||27 Jan 2009 04:32|
|Last Modified:||27 Jan 2009 04:32|
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