• K Shadak Alee

      Articles written in Pramana – Journal of Physics

    • Time-dependent micro-Raman scattering studies of polyvinyl alcohol and silver nitrate thin films

      K Shadak Alee D Narayana Rao

      More Details Abstract Fulltext PDF

      In-situ monitoring of silver nanoparticle formation was studied in thin films of polyvinyl alcohol and silver nitrate. We proposed the observation of surface-enhanced Raman spectroscopy (SERS) as a novel and simple technique to record the growth of silver nanoparticles in polyvinyl alcohol thin films. Observed enhancement in the Raman bands of polyvinyl alcohol is explained through the localized surface plasmon resonance of silver nanoparticles. Influence of temperature generated by silver nanoparticles on the formation of nanoparticles is also discussed.

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