Luminescent Properties of Activated Nanocomposites Based on Core-Shell Nanoparticles

被引：2
|
作者：
Pukhov, K. K. [1 ]
机构：
[1] Russian Acad Sci, Prokhorov Gen Phys Inst, Moscow 119991, Russia
来源：
PHYSICS OF THE SOLID STATE | 2019年 / 61卷 / 05期
关键词：
SPONTANEOUS EMISSION; UP-CONVERSION; METAL GLASSES; IONS; PROBABILITIES; ENHANCEMENT; TRANSITIONS; LIFETIMES; COLORS; FIELD;
D O I：
10.1134/S1063783419050251
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
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.
引用
收藏
页码：894 / 900
页数：7
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