Numerical study of Purcell effect enhancement for CsPbBr ... - Presentation.pdfCST Model Description...

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Pavel Tonkaev, Pavel Voroshilov and Sergey Makarov Numerical study of Purcell effect enhancement for CsPbBr 3 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), 8149-8156 Tiguntseva 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 CsPbBr 3

Transcript of Numerical study of Purcell effect enhancement for CsPbBr ... - Presentation.pdfCST Model Description...

Page 1: Numerical study of Purcell effect enhancement for CsPbBr ... - Presentation.pdfCST Model Description Pavel Tonkaev, Pavel Voroshilov and Sergey MakarovNumerical study of Purcell effect

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

Page 2: Numerical study of Purcell effect enhancement for CsPbBr ... - Presentation.pdfCST Model Description Pavel Tonkaev, Pavel Voroshilov and Sergey MakarovNumerical study of Purcell effect

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

Page 3: Numerical study of Purcell effect enhancement for CsPbBr ... - Presentation.pdfCST Model Description Pavel Tonkaev, Pavel Voroshilov and Sergey MakarovNumerical study of Purcell effect

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

Page 4: Numerical study of Purcell effect enhancement for CsPbBr ... - Presentation.pdfCST Model Description Pavel Tonkaev, Pavel Voroshilov and Sergey MakarovNumerical study of Purcell effect

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

Page 5: Numerical study of Purcell effect enhancement for CsPbBr ... - Presentation.pdfCST Model Description Pavel Tonkaev, Pavel Voroshilov and Sergey MakarovNumerical study of Purcell effect

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

Page 6: Numerical study of Purcell effect enhancement for CsPbBr ... - Presentation.pdfCST Model Description Pavel Tonkaev, Pavel Voroshilov and Sergey MakarovNumerical study of Purcell effect

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

Page 7: Numerical study of Purcell effect enhancement for CsPbBr ... - Presentation.pdfCST Model Description Pavel Tonkaev, Pavel Voroshilov and Sergey MakarovNumerical study of Purcell effect

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.

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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