Time-resolved photoluminescence of excitons and biexcitons in CdSe/CdS/CdZnS colloidal quantum dots
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535.8+538.9+539.2+621.38 (1)
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PAVLENKO, Vladimir, BELOUSSOV, Igor, DOBYNDE, Igor, OZOL, Dmitry. Time-resolved photoluminescence of excitons and biexcitons in CdSe/CdS/CdZnS colloidal quantum dots. In: Nanostructures: Physics and Technologies: 28th International Sympsium, 28 septembrie - 2 octombrie 2020, Minsk. St. Petersburg, Russia: Ioffe Institute RAS, 2020, Ediția a 28-a, pp. 128-129. ISBN 978-5-93634-066-6.
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Nanostructures: Physics and Technologies
Ediția a 28-a, 2020
Simpozionul "Nanostructures: Physics and Technology"
Minsk, Belarus, 28 septembrie - 2 octombrie 2020

Time-resolved photoluminescence of excitons and biexcitons in CdSe/CdS/CdZnS colloidal quantum dots

CZU: 535.8+538.9+539.2+621.38

Pag. 128-129

Pavlenko Vladimir1, Beloussov Igor1, Dobynde Igor1, Ozol Dmitry2
 
1 Institute of Applied Physics,
2 Moscow Institute of Physics and Technology
 
 
Disponibil în IBN: 1 decembrie 2021


Rezumat

The time evolution of a strongly nonequilibrium state of electrons and holes excited in quantum dots by a long laser pulse in the p-states are studied using the time-resolved photoluminescence. Three bands of the transient photoluminescence spectra were identified, and the ignition and decay of each of them were investigated. The complex picture of the time evolution of the bands is explained by the fast processes of cascade intraband relaxation and the Pauli exclusion principle. The durations of formation and decay for each of the photoluminescence bands are determined.