CONTROL OF QUANTUM DOTS LUMINESCENCE IN HYBRID STRUCTURES BASED ON POROUS SILICON
https://doi.org/10.56304/S2079562925010117
EDN: VCDZIX
Abstract
Porous silicon (pSi) based resonators are of interest as a basis of hybrid photoluminescent (PL) systems in terms of both fundamental and applied research. One of the most promising types of luminophores for creating such hybrid systems are semiconductor quantum dots (QDs) due to their narrow PL spectrum along with a broad absorption spectrum. The formation of polariton states and modification of PL properties of the luminophore may occur depending on the structure and parameters of the hybrid system. Here, we demonstrate a 4.4-fold narrowing of the PL spectrum of CdSe/ZnS QDs and a 3.7-fold acceleration of spontaneous emission in a pSi microcavity (MC) compared to QD in solution. The observed changes in the PL properties of QDs are due to the light-matter interaction between the MC eigenmode and QD excitons. The obtained results open the way to the development of new photonic, optoelectronic and sensing devices.
About the Authors
I. S. Kriukova
National Research Nuclear University MEPhI (Moscow Engineering Physics Institute)
Russian Federation
Russian Federation
E. A. Granizo
National Research Nuclear University MEPhI (Moscow Engineering Physics Institute)
Russian Federation
Russian Federation
A. A. Knysh
National Research Nuclear University MEPhI (Moscow Engineering Physics Institute)
Russian Federation
Russian Federation
P. S. Samokhvalov
National Research Nuclear University MEPhI (Moscow Engineering Physics Institute)
Russian Federation
Russian Federation
I. R. Nabiev
National Research Nuclear University MEPhI (Moscow Engineering Physics Institute);
Université de Reims Champagne-Ardenne
Russian Federation
Russian Federation
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Review
For citations:
Kriukova I.S., Granizo E.A., Knysh A.A., Samokhvalov P.S., Nabiev I.R. CONTROL OF QUANTUM DOTS LUMINESCENCE IN HYBRID STRUCTURES BASED ON POROUS SILICON. Nuclear Physics and Engineering. 2025;16(5):710-714. (In Russ.) https://doi.org/10.56304/S2079562925010117. EDN: VCDZIX
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