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Uniform and controllable preparation of Au-Ag core-shell nanorods using anisotropic silver shell formation on gold
Yoshifumi Okuno1, Koji Nishioka, Ayaka Kiya
1Department of Applied Chemistry, Faculty of Engineering, Motooka 744, Nishi-ku, Fukuoka 819-0395, Japan.
Nanoscale
|September 8, 2010
Abstract:
Anisotropic and controllable silver shell formation on gold nanorods was realized in a micellar solution of hexadecytrimethylammonium chloride. Uniformity of the anisotropic Au-Ag core-shell particles contributes separation of four extinction bands. The ability to manipulate the shapes and sizes of these nanoparticles offers a wide-range control of the surface extinction from the visible to the near infrared regions (450-800 nm).
