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Fabrication and Growth Mechanism of Star-Shaped Gold Nanoparticles via Seed-Mediated Growth Method

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Abstract:

In this paper, gold nanoparticles with branches were prepared in aqueous solutions using seed-mediated growth method. The mean diameter of the seeds chosen for these studies is 6~8nm. The influence of reducing agent used in synthesis gold sphere as seeds was investigated. A reaction mechanism of fabrication gold nanostar particles was systematically described. The nanoparticles synthesized were characterized by transmission electron microscopy (TEM) and UV-vis spectroscopy. In order to investigate their optical property, Surface Enhanced Raman Scattering (SERS) spectrums were tested, which showed quite good Raman enhencement.

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Periodical:

Advanced Materials Research (Volumes 152-153)

Pages:

600-604

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.152-153.600

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Online since:

October 2010

Authors:

Hui Juan Wang, Chen Yang Xue, Rong Chen, Wen Dong Zhang

Keywords:

Growth Mechanism, Seed-Mediated, SERS, Star-Shaped Gold Nanoparticles

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© 2011 Trans Tech Publications Ltd. All Rights Reserved

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