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

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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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Edited by:

Evangelos Hristoforou and D.S. Vlachos

Pages:

416-419

Citation:

G. Siljanovska Petreska et al., "Preparation of SERS Active Substrates Based on Ag/Graphene/Polymer Nanocomposites", Key Engineering Materials, Vol. 605, pp. 416-419, 2014

Online since:

April 2014

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$38.00

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