Optical properties of semiconductor CdSe/ZnS quantum dots in the near field of silver nanoparticles
We experimentally investigate the influence of the near field of silver nanoparticles on the optical and photophysical properties of semiconductor CdSe/ZnS quantum dots. The samples are grown via deposition of metal onto dielectric substrates in a high vacuum chamber and are covered by a layer of quantum dots by means of centrifugation. We show that there is an increase in the quantum dot absorption in the near field of silver nanoparticles upon excitation in the plasmon band domain.
KeywordsSilver Nanoparticles Surface Enhance Raman Scattering Sapphire Substrate Silver Film High Vacuum Chamber
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