NDLI: Optical Absorption on Electron Quantum-Confined States of Perovskite Quantum Dots

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Optical Absorption on Electron Quantum-Confined States of Perovskite Quantum Dots

Content Provider	MDPI
Author	Pokutnii, Serhii I. Radosz, Andrzej
Copyright Year	2022
Description	In the framework of the dipole approximation, it is shown that in the perovskites quantum dots (QDs) $FAPbBr3$ and {en} $FAPbBr3$ interacting with low-intensity light, the oscillator strengths of transitions, as well as the dipole moments allowing transitions between one-particle electron quantum-confined states, attain values considerably (by two orders of magnitude) exceeding the typical values of the corresponding quantities in semiconductors. It has been established that the maximum values of the cross-section optical absorption of perovskite QDs are reached at the resonant frequencies of electron transitions. This makes it possible to use such nanosystems as of strong absorption nanomaterials in a wide range of infrared waves.
Starting Page	2973
e-ISSN	20794991
DOI	10.3390/nano12172973
Journal	Nanomaterials
Issue Number	17
Volume Number	12
Language	English
Publisher	MDPI
Publisher Date	2022-08-28
Access Restriction	Open
Subject Keyword	Nanomaterials Electron Quantum-confined States Oscillator Strengths Light Absorption Quantum Dots
Content Type	Text
Resource Type	Article

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