Gold Nanorods: From Synthesis to Optical Properties

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Abstract:

Gold nanorods with different aspect ratios, exhibiting localized surface plasmon resonance in a tuned longitudinal mode, were prepared by employing a seed mediated growth approach. Their third-order nonlinear optical properties were investigated by using femtosecond Z-scan technique at 800 nm. All the prepared gold nanorods with different aspect ratios exhibited a reverse saturation absorbance behavior, and the value of effective nonlinear absorption coefficient reaches its maximum when the longitudinal surface plasmon resonance peak of the gold nanorods located near the excitation wavelength.

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Key Engineering Materials (Volumes 602-603)

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993-997

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March 2014

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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