Pavel Tonkaev, Pavel Voroshilov and Sergey Makarov
Numerical study of Purcell effect enhancement for CsPbBr3 perovskite cubic particle
ITMO University
Introduction Theory Simulation Results Conclusion
=+
Active nanoantennas Lasing
Optical cooling Quantum yield enhancement
Tiguntseva et al. ACS Nano 2020 14 (7), 8149-8156Tiguntseva et al. Nano Letters 2018 18 (2), 1185-1190
Tonkaev et al. Nanoscale 2019 11 (38), 17800-17806 Berestennikov et al. Applied Physics Reviews 2019 6 (3), 031307
Lead halide perovskite Purcell effect
Green et al. Nature Photonics 2014 8 (7), 506-514
Krasnok et al. Scientific reports 2015 5, 12956
CsPbBr3
Pavel Tonkaev, Pavel Voroshilov and Sergey Makarov
Numerical study of Purcell effect enhancement for CsPbBr3 perovskite cubic particle
An Antenna Model for the Purcell Effect
Introduction Theory Simulation Results Conclusion
Krasnok et al. Scientific reports 2015 5, 12956
CST Model Description
Pavel Tonkaev, Pavel Voroshilov and Sergey Makarov
Numerical study of Purcell effect enhancement for CsPbBr3 perovskite cubic particle
Introduction Theory Simulation Results Conclusion
ɛ = 6.3 µ=1
The dipole position was changed with 10 nm step
Environment:ɛ = 6.3 µ=1
CsPbBr3:
Configurations of the dipole position:
λ/l ∝ 0.01
Dipole size l is 10 nm
Purcell Factor for 150 nm Particle
Pavel Tonkaev, Pavel Voroshilov and Sergey Makarov
Numerical study of Purcell effect enhancement for CsPbBr3 perovskite cubic particle
Introduction Theory Simulation Results Conclusion
FpFpr0 r0
Purcell Factor for 400 nm Particle
Pavel Tonkaev, Pavel Voroshilov and Sergey Makarov
Numerical study of Purcell effect enhancement for CsPbBr3 perovskite cubic particle
Introduction Theory Simulation Results Conclusion
Enhancement of Quantum EfficiencyAverage Purcell Factor for 400 nm Particle
Pavel Tonkaev, Pavel Voroshilov and Sergey Makarov
Numerical study of Purcell effect enhancement for CsPbBr3 perovskite cubic particle
Introduction Theory Simulation Results Conclusion
32
2
CNBNFAN
BNFEQE
p
p
nonradrad
rad
RR
REQE
23 )(
),(0 BNDFANCN
Vh
DI
dt
dNp
abs
AN – trap-assisted recombinationBN2 – radiative recombinationСN3 –Auger recombination
508 nm
638 nm405 nm
430 nm
1. The acceleration of the radiation of a dipole placed in a resonant cubic particle is demonstrated.
2. The acceleration of the radiation in a resonant particle due to the average Purcell factor is demonstrated.
3. Photoluminescence quantum efficiency for cubical nanoparticle can be increased by Purcell factor.
Pavel Tonkaev, Pavel Voroshilov and Sergey Makarov
Numerical study of Purcell effect enhancement for CsPbBr3 perovskite cubic particle
ITMO University
Introduction Theory Simulation Results Conclusion
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