Exciton-Related Raman Scattering, Interband Absorption and Photoluminescence in Colloidal CdSe/CdS Core/Shell Quantum Dots Ensemble

Exciton-Related Raman Scattering, Interband Absorption and Photoluminescence in Colloidal CdSe/CdS Core/Shell Quantum Dots Ensemble

By using the numerical discretization method within the effective-mass approximation, we have theoretically investigated the exciton-related Raman scattering, interband absorption and photoluminescence in colloidal CdSe/CdS core/shell quantum dots ensemble. The interband optical absorption and photo...

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Veröffentlicht in:Nanomaterials (Basel, Switzerland) Switzerland), 2021-05, Vol.11 (5), p.1274
Hauptverfasser: Mantashian, Grigor A., Mantashyan, Paytsar A., Sarkisyan, Hayk A., Kazaryan, Eduard M., Bester, Gabriel, Baskoutas, Sotirios, Hayrapetyan, David B.
Format: Artikel
Sprache:eng
Schlagworte:
Absorption
Approximation
Cadmium selenides
Cadmium sulfide
CdSe/CdS
core/shell quantum dot
Energy
exciton
Excitons
interband absorption
Investigations
Luminescence
Manufacturing
Methods
Numerical analysis
Optical properties
Photoluminescence
Photons
Quantum dots
raman scattering
Raman spectra
Spectrum analysis
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Zusammenfassung:By using the numerical discretization method within the effective-mass approximation, we have theoretically investigated the exciton-related Raman scattering, interband absorption and photoluminescence in colloidal CdSe/CdS core/shell quantum dots ensemble. The interband optical absorption and photoluminescence spectra have been revealed for CdSe/CdS quantum dots, taking into account the size dispersion of the ensemble. Numerical calculation of the differential cross section has been presented for the exciton-related Stokes–Raman scattering in CdSe/CdS quantum dots ensemble with different mean sizes.
ISSN:2079-4991
2079-4991
DOI:10.3390/nano11051274