S. Mahendia, A. Tomar, P. Goyal, R. Kumar, S. Kumar
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Abstract
Surface plasmon behavior of the silver nanoparticles embedded in PVA matrix has been analyzed. The progressive shift in SPR caused by the addition of increasing amount of glucose from 30 to 50 mg/dl has been investigated to monitor the sensing operation of this nanocomposite and tried to correlate with the refractive index behavior by calculating refractive index sensitivity (S). To understand the reason of shifting of SPR, interaction of glucose molecules with embedded silver nanoparticles has been studied through FTIR spectroscopy.
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