Morphology Effects on the Optical Properties of Silver Nanoparticles

Authors: Sihai Chen; Scott Webster; Richard Czerw; Jianfeng Xu; David L. Carroll

Source: Journal of Nanoscience and Nanotechnology, Volume 4, Number 3, March 2004 , pp. 254-259(6)

Publisher: American Scientific Publishers

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Abstract:

Employing methods developed for the control of shape and size in silver nanoparticles, we have compared the optical properties of nanorods, nanoprisms, nanodisks, and nanospheres. Solutions of these particles show distinct surface plasmon resonant absorption signatures that are directly correlated with the symmetries of their morphology. Nonlinear optical behavior for suspensions of these nanostructures, for nanosecond pulses at 532 and 1064 nm, have been correlated to plasmon resonances determined by shape and size.

Keywords: SILVER NANOPARTICLES; OPTICAL LIMITING; PLASMON

Document Type: Research article

DOI: 10.1166/jnn.2004.034

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