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Chemical Synthesis of Gold Micro-Bars for Optical Circuitry Applications

Published online by Cambridge University Press:  22 May 2017

Erik W. Hobbs  and
Mary Sajini Devadas
Erik W. Hobbs
Affiliation:
Department of Physics Astronomy and Geosciences, Towson University 8000 York Road, Towson, MD21252, U.S.A.
Mary Sajini Devadas*
Affiliation:
Department of Chemistry, Towson University 8000 York Road, Towson, MD21252, U.S.A.
*
*(Email: mdevadas@towson.edu)
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Abstract

The aim of this research was to establish a reliable chemical synthesis route to produce plasmonic gold micro-bars. Gold micro-bars have been synthesized through chemical reduction in the presence of surfactants: polyvinylpyrrolidone (PVP) and sodium dodecylsulfonate (SDS), and in the presence of a metal cation. Synthesis was executed by varying the concentration of PVP and SDS, and introducing copper ions, and performing seeded growth. Resulting plasmonic gold micro-bars were viewed under dark field microscopy and scanning electron microscopy (SEM) to visualize the nanoparticle product mixture. Energy Dispersive Spectroscopy (EDS) was used to determine composition of the micro-bars. The results indicate that the copper additive method yields the longest micro-bars.

Keywords

metalnanoscalenanostructure
Type
Articles
Information
MRS Advances , Volume 2 , Issue 52: Electronic Devices and Materials , 2017 , pp. 3045 - 3050
Copyright
Copyright © Materials Research Society 2017 

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