Luminescent Properties of Activated Nanocomposites Based on Core–Shell Nanoparticles

Formulas for the rates of spontaneous radiative decay of excitation of luminescent centers located in subwavelength spherical core–shell nanoparticles and in the nanocomposite matrix are derived. Effective medium models and local field problems concerning the optical properties of activated nanocomp...

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Bibliographic Details
Published in:Physics of the solid state 2019-05, Vol.61 (5), p.894-900
Main Author: Pukhov, K. K.
Format: Article
Language:English
Subjects:
Core-shell particles
EXCITATION
LUMINESCENCE
NANOCOMPOSITES
NANOPARTICLES
NANOSCIENCE AND NANOTECHNOLOGY
OPTICAL PROPERTIES
Physics
Physics and Astronomy
RADIATIVE DECAY
Solid State Physics
SPHERICAL CONFIGURATION
Spherical shells
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Summary:Formulas for the rates of spontaneous radiative decay of excitation of luminescent centers located in subwavelength spherical core–shell nanoparticles and in the nanocomposite matrix are derived. Effective medium models and local field problems concerning the optical properties of activated nanocomposites based on core–shell nanoparticles are discussed. A detailed analysis of two modern approaches to the problem of spontaneous transitions in luminescent centers located in homogeneous spherical nanoparticles is made.
ISSN:1063-7834
1090-6460
DOI:10.1134/S1063783419050251