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Gold Nanoparticle Aggregates Preparation by (3-aminpopropyl)- Trimethoxysilane for Highly Active SERS Substrates

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Abstract:

A simple preparation method of gold nanoparticle aggregates for highly active surface enhanced Raman scattering (SERS) substrates is developed by adding APS to gold sol under vigorous magnetic stirring. The optical and morphological properties of these aggregates are examined by UV-vis spectroscopy and atomic force microscopy. It is found that the SERS activity of the new synthesized gold nanoparticle aggregates is about 200 higher than that of single gold nanoparticles with Rhodamine 6G(R6G) probe.

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Periodical:

Advanced Materials Research (Volumes 562-564)

Pages:

94-97

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.562-564.94

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Online since:

August 2012

Authors:

Min Zhou, Qiu Mei Ma, Yan Wei Wang, Guang Can Yang

Keywords:

Atomic Force Microscopy (AFM), Gold Nanoparticle Aggregates, Surface Enhanced Raman Scatter (SERS), UV-VIS

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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