Nonlinear Optical Response of the Colloidal CdSe Nanoplatelets under One-Photon Stationary Excitons Excitation

Nonlinear change in transmission and photoluminescence of the colloidal CdSe nanoplatelets in the case of stationary exciton excitation by the third harmonic of mode-locked Nd 3+ :YAP laser pulses allowed to identify peculiarities of the exciton dynamics. The values of saturation intensity were dete...

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Bibliographic Details
Published inSemiconductors (Woodbury, N.Y.) Vol. 54; no. 14; pp. 1907 - 1910
Main Authors Smirnov, A. M., Golinskaya, A. D., Kozlova, M. V., Zharkova, E. V., Saidzhonov, B. M., Vasiliev, R. B., Dneprovskii, V. S.
Format Journal Article
LanguageEnglish
Published Moscow Pleiades Publishing 01.12.2020
Springer
Springer Nature B.V
Subjects
Crystals
Doppler effect
Excitation
Excitons
Magnetic Materials
Magnetism
Nonlinear optics
Nonlinear response
Photoluminescence
Physics
Physics and Astronomy
Quantum Wells and Quantum Dots
Radiative recombination
Red shift
Room temperature
Structure
Trions
excitons
one-photon absorption
nanoplatelets
pump and probe technique
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Summary:Nonlinear change in transmission and photoluminescence of the colloidal CdSe nanoplatelets in the case of stationary exciton excitation by the third harmonic of mode-locked Nd 3+ :YAP laser pulses allowed to identify peculiarities of the exciton dynamics. The values of saturation intensity were determined from the measured differential transmission spectra. The revealed broadening and red shift of the photoluminescence spectra can be the evidence of the formation of trions and their radiative recombination at room temperature.
ISSN:1063-7826
1090-6479
DOI:10.1134/S1063782620140304