THEORETICAL STUDY OF NONLINEAR PHOTOLUMINESCENCE FROM PEROVSKITE QUANTUM DOTS ENHANCED BY RESONANT SILICON NANOPARTICLES

被引：0
|
作者：
Khmelevskaia, D. [1 ]
Tonkaev, P. [1 ]
Markina, D. [1 ]
Pushkarev, A. [1 ]
Rogach, A. [2 ,3 ]
Makarov, S. [1 ]
机构：
[1] ITMO Univ, 49 Kronverkskiy Pr, St Petersburg 197101, Russia
[2] City Univ Hong Kong, Dept Mat Sci & Engn, Kowloon, Hong Kong, Peoples R China
[3] City Univ Hong Kong, Ctr Funct Photon CFP, Kowloon, Hong Kong, Peoples R China
来源：
5TH INTERNATIONAL CONFERENCE ON METAMATERIALS AND NANOPHOTONICS (METANANO 2020) | 2020年 / 2300卷
基金：
俄罗斯科学基金会;
关键词：
UP-CONVERSION; NANOCRYSTALS;
D O I：
10.1063/5.0031811
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We theoretically study the enhancement of perovskite quantum dots nonlinear photoluminescence by resonant silicon nanoparticles. Using both numerical and analytical approaches, a multifold emission efficiency enhancement in CsPbBr3 perovskite nanocrystals is predicted. Namely, we reveal the enhancement of total Purcell Factor at emission wavelength by 10 times and averaged near-field enhancement at pump wavelength by 1.5 times. Our findings can be useful for up-conversion infrared light viewers and for bioimaging.
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页数：6
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