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Semiconductors
Published in: Semiconductors 16/2019

01-12-2019 | QUANTUM WELLS AND QUANTUM DOTS

Kinetics of Photoluminescence Decay of Colloidal Quantum Dots: Reversible Trapping of Photogenerated Charge Carriers

Authors: E. N. Bodunov, A. L. Simões Gamboa

Published in: Semiconductors | Issue 16/2019

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Abstract

A function for the analysis of the non-exponential kinetics of photoluminescence decay of colloidal quantum dots at room temperature is presented. The function takes into account trapping and detrapping of photogenerated charge carriers with physically meaningful parameters (time constant, trapping and detrapping rate constants, and average number of traps per quantum dot). Its validity is tested by time-resolved photoluminescence spectroscopy experiments with drop-cast films of CdSe/ZnS core/shell quantum dots.
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Metadata
Title
Kinetics of Photoluminescence Decay of Colloidal Quantum Dots: Reversible Trapping of Photogenerated Charge Carriers
Authors
E. N. Bodunov
A. L. Simões Gamboa
Publication date
01-12-2019
Publisher
Pleiades Publishing
Published in
Semiconductors / Issue 16/2019
Print ISSN: 1063-7826
Electronic ISSN: 1090-6479
DOI
https://doi.org/10.1134/S1063782619120078

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