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Preparation of SERS Active Substrates Based on Ag/Graphene/Polymer Nanocomposites

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Abstract:

Nanocomposites of poly (BA/MMA) reinforced with up to 3 wt % grahene sheets were used as targets for laser ablation. The target was ablated using TEA CO2 laser with fluence of 1,00 J/cm2 and thin films of crosslinked polymer/graphene with large specific surface area were obtained. The polymer-graphene deposit was covered with silver nanoparticles by excimer laser ablation in order to prepare active substrates for Surface-Enhanced Raman Scattering (SERS). The nanocomposites were characterized by means of spectroscopy, microscopy and diffraction techniques. The SERS substrate performance was tested using Rhodamine 6G as a probe compound. Highly enhanced signal was achieved, and sensoric properties of the prepared substrates were demonstrated.

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Periodical:

Key Engineering Materials (Volume 605)

Pages:

416-419

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.605.416

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Online since:

April 2014

Authors:

Gordana Siljanovska Petreska, Jadranka Blazevska-Gilev, Radmila Tomovska, R. Fajgar

Keywords:

Graphene - GNS, Laser Ablation, Nanocomposite, Rhodamine 6 G, SERS

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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