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Opt Express. 2008 Apr 28;16(9):6202-8.

Surface plasmon resonance in CdSe semiconductor coated with gold nanoparticles.

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  • 1Center for Materials Research, Norfolk State University, 700 Park Avenue, Norfolk, VA 23504, USA. apradhan@nsu.edu


We have grown CdSe semiconductor films on glass substrates and the films were coated with Au nanoparticles of 10 nm in size by the pulsed-laser deposition technique. The films demonstrate a large enhancement of Raman intensity and photoluminescence of CdSe semiconductor via excitation of surface plasmon resonances in proximate gold metal nanoparticles deposited on the surface of CdSe film. These observations suggest a variety of approaches for improving the performance of devices such as photodetectors, photovoltaics, and related devices, including biosensors.

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