Gold Nanoparticle Growth Monitored in situ Using a Novel Fast Optical Single-Particle Spectroscopy Method.

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Bibliographic Details
Title: Gold Nanoparticle Growth Monitored in situ Using a Novel Fast Optical Single-Particle Spectroscopy Method.
Authors: Jan Becker1, Olaf Schubert1, Carsten Sönnichsen1
Source: Nano Letters. Jun2007, Vol. 7 Issue 6, p1664-1669. 6p.
Subjects: Nanoparticles, Liquid crystal devices, Nanostructured materials, Nanotechnology
Abstract: Size- and shape-dependent optical properties of gold nanorods allow monitoring their growth using a novel fast single-particle spectroscopy (fastSPS) method. FastSPS uses a spatially addressable electronic shutter based on a liquid crystal device to investigate particles randomly deposited on a substrate, orders of magnitude faster than other techniques. We use fastSPS to observe nanoparticle growth in situ on a single-particle level and extract quantitative data on nanoparticle growth. [ABSTRACT FROM AUTHOR]
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Abstract:Size- and shape-dependent optical properties of gold nanorods allow monitoring their growth using a novel fast single-particle spectroscopy (fastSPS) method. FastSPS uses a spatially addressable electronic shutter based on a liquid crystal device to investigate particles randomly deposited on a substrate, orders of magnitude faster than other techniques. We use fastSPS to observe nanoparticle growth in situ on a single-particle level and extract quantitative data on nanoparticle growth. [ABSTRACT FROM AUTHOR]
ISSN:15306984
DOI:10.1021/nl070627g