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期刊论文
Shape dependent resonance light scattering properties of gold nanorods
Materials Science and Engineering B 121(2005)199-203，-0001，（）：
Suspended gold nanorods with mean aspect ratio 2.5 have been synthesized via electrochemical method. Resonance scattering properties have been studied. Two scattering peaks fixed at 400 and 640nm are due to the scattering of the gold nanorods via coupling to the transverse and longitudinal surface plasmon resonance. The quasi-static calculation results indicate that with the increasing aspect ratio of the nanorods, the longer wavelength scattering peak red shifts linearly and the shorter wavelength peak blue shifts non-linearly. When aspect ratio a/b=1.0, ellipse degenerate to sphere and the two peaks unite into one peak at 450nm.
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