Resonant properties of of tu tunable le hali alide perovskit ite - - PowerPoint PPT Presentation

resonant properties of of tu tunable le hali alide
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Resonant properties of of tu tunable le hali alide perovskit ite - - PowerPoint PPT Presentation

Resonant properties of of tu tunable le hali alide perovskit ite nan anoparticle les Lab symbolics E. Tiguntseva* , K. Koshelev, G. Zograf, D. Baranov, A. Furasova, E. Ushakova, or author photo A. Pushkarev, A.Zakhidov, Y. Kivshar and


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Resonant properties of

  • f tu

tunable le hali alide perovskit ite nan anoparticle les

Lab symbolics

  • r author photo

Introduction Enhanced emission on Mie resonance Lasing from single nanocube Tunable Fano resonance Conclusion

  • E. Tiguntseva*, K. Koshelev, G. Zograf, D. Baranov, A. Furasova, E. Ushakova,
  • A. Pushkarev, A.Zakhidov, Y. Kivshar and Sergey Makarov

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Light-Emitting Halide Perovskite Nanoantennas Tunable Hybrid Fano Resonances in Halide Perovskite Nanoparticles Room-Temperature Lasing from Mie-Resonant Nonplasmonic Nanoparticles

*Speaker: Ph.D. student at Departmant of Physics and Engineering, ITMO University, Saint-Petersburg, Russia

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SLIDE 2

Resonant properties of tunable halide perovskite nanoparticles

Introduction Results

Enhanced emission on Mie resonance Tunable Fano resonance Lasing from single nanocube

Conclusion

  • Motivation. Subwavelength sources of visible photons

Speaker:

  • E. Tiguntseva

Curto, A. Science 2010, 329, 930−933. Kühn, S. Phys. Rev. Lett. 2006, 97, 017402

Single molecules Quantum dots

Kuznetsov, A., et al. Science (2016) Capretti, A., et al. ACS Photonics (2017)

 light localization  high values of the Purcell factor  low defect concentration  low losses

The main challenges are to :

  • ptimize emitters efficiency
  • steer radiation pattern to a given

direction

1

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SLIDE 3

Resonant properties of tunable halide perovskite nanoparticles

Introduction Results

Enhanced emission on Mie resonance Tunable Fano resonance Lasing from single nanocube

Conclusion

  • Motivation. Subwavelength sources of visible photons

Curto, A. Science 2010, 329, 930−933. Kühn, S. Phys. Rev. Lett. 2006, 97, 017402

Single molecules Quantum dots

Kuznetsov, A., et al. Science (2016) Capretti, A., et al. ACS Photonics (2017)

 light localization  high values of the Purcell factor  low defect concentration  low losses

  • multistage fabrication

Light-emitting dielectric nanoantennas with

  • ptical resonances at the wavelength of the

material emission

1 Speaker:

  • E. Tiguntseva
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SLIDE 4

Resonant properties of tunable halide perovskite nanoparticles

Introduction Results

Enhanced emission on Mie resonance Tunable Fano resonance Lasing from single nanocube

Conclusion

  • Motivation. Perovskites.

Makarov S. et al. Advanced Optical Materials (2018) Sutherland, B. R. (2016). Nature Photonics, 10(5), 295.

QY ~ More than 70 % А, B – cations Х – anion (I, Br, Cl) Room Temperature N = 2-3 good candidate

ABX3 - general formula

2 Speaker:

  • E. Tiguntseva
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SLIDE 5

Resonant properties of tunable halide perovskite nanoparticles

Introduction Conclusion

SEM images with diameters of received NPs Methods of fabrication

  • Results. Enhanced emission on Mie resonance

Tunable Fano resonance Lasing from single nanocube Jeon, Nam Joong, et al. Nature materials (2014) Dmitriev, P. A., et al. Nanoscale (2016)

Laser printing method 1 2 3

forward-transfer geometry

MAPbX3 (X=I, Br) MA = CH3NH3

Three steps thin film fabrication method

3 Speaker:

  • E. Tiguntseva
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SLIDE 6

Resonant properties of tunable halide perovskite nanoparticles

Photoluminescence enhancement

Introduction Conclusion

  • Results. Enhanced emission on Mie resonance

Tunable Fano resonance Lasing from single nanocube

MAPbI3 MA = CH3NH3

Photoluminescence spectra

5-fold enhancement of photoluminescence (PL) for resonant nanoparticles 2-fold enhancement as compared with a thin perovskite film

thin film

Dark-field spectroscopy

  • E. Tiguntseva, et al. Nano Letters (2018) 18(2), 1185-1190

D = 415 nm 4 Speaker:

  • E. Tiguntseva
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SLIDE 7

Resonant properties of tunable halide perovskite nanoparticles

Photoluminescence enhancement

Introduction Conclusion

  • Results. Enhanced emission on Mie resonance

Tunable Fano resonance Lasing from single nanocube

MAPbI3 MA = CH3NH3

Photoluminescence spectra

5-fold enhancement of photoluminescence (PL) for resonant nanoparticles 2-fold enhancement as compared with a thin perovskite film

thin film

Dark-field spectroscopy

D = 415 nm

Mode decomposition for single NP

  • E. Tiguntseva, et al. Nano Letters (2018) 18(2), 1185-1190

5 Speaker:

  • E. Tiguntseva
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SLIDE 8

Resonant properties of tunable halide perovskite nanoparticles

Resonant properties of nanoparticles

Introduction Conclusion

  • Results. Enhanced emission on Mie resonance

Tunable Fano resonance Lasing from single nanocube

Light scattering on perovskite NPs

Calculations: resonances demonstrate a red shift with an increase of the nanoparticle diameter Experiment + Calculations: the same dependences for MD and MQ modes

  • E. Tiguntseva, et al. Nano Letters (2018) 18(2), 1185-1190

6 Speaker:

  • E. Tiguntseva
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SLIDE 9

Resonant properties of tunable halide perovskite nanoparticles

Different composition of resonant nanoparticles

Introduction Conclusion

  • Results. Enhanced emission on Mie resonance

Tunable Fano resonance Lasing from single nanocube

  • E. Tiguntseva, et al. Nano Letters (2018) 18(2), 1185-1190

Simulation Experiment

λ emission = 650 nm λ emission = 770 nm λ emission = 539 nm 7 Speaker:

  • E. Tiguntseva
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SLIDE 10

Resonant properties of tunable halide perovskite nanoparticles

Different composition of resonant nanoparticles

Introduction Conclusion

  • Results. Enhanced emission on Mie resonance

Tunable Fano resonance Lasing from single nanocube

  • E. Tiguntseva, et al. Nano Letters (2018) 18(2), 1185-1190

Simulation Experiment

λ emission = 650 nm λ emission = 770 nm λ emission = 539 nm 7 Speaker:

  • E. Tiguntseva
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SLIDE 11

Resonant properties of tunable halide perovskite nanoparticles

Observation Fano resonance in perovskite NPs

Introduction Conclusion

Enhanced emission on Mie resonance

  • Results. Tunable Fano resonance

Lasing from single nanocube Tiguntseva, E. Y., et al. Nano letters (2018) 18(9), 5522-5529

MAPbBr3 MA = CH3NH3

539 nm Experiment Simulation 8

  • asymmetric behavior
  • scattering efficiency

suppressed above the band gap energy

n = 2.3 Speaker:

  • E. Tiguntseva
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SLIDE 12

Resonant properties of tunable halide perovskite nanoparticles

Observation Fano resonance in perovskite NPs

Introduction Conclusion

Enhanced emission on Mie resonance

  • Results. Tunable Fano resonance

Lasing from single nanocube Tiguntseva, E. Y., et al. Nano letters (2018) 18(9), 5522-5529

narrow resonance continuum Fano resonance

Limonov, Mikhail F., et al. Nature Photonics (2017)

9 Mie + Exciton = Weak coupling regime – Fano resonance First time observation of Fano in dielectric nanoantennas in case of coupling with exciton Speaker:

  • E. Tiguntseva
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SLIDE 13

Resonant properties of tunable halide perovskite nanoparticles

Observation Fano resonance in perovskite NPs

Introduction Conclusion

Enhanced emission on Mie resonance

  • Results. Tunable Fano resonance

Lasing from single nanocube Tiguntseva, E. Y., et al. Nano letters (2018) 18(9), 5522-5529

CsPbBr3

Sheme of Chemical Vapour Anion Exchange SEM image 10 Speaker:

  • E. Tiguntseva
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SLIDE 14

Resonant properties of tunable halide perovskite nanoparticles

Observation Fano resonance in perovskite NPs

Introduction Conclusion

Enhanced emission on Mie resonance

  • Results. Tunable Fano resonance

Lasing from single nanocube Tiguntseva, E. Y., et al. Nano letters (2018) 18(9), 5522-5529

CsPbBr3

Big intervals Smaller intervals 10 SEM image Speaker:

  • E. Tiguntseva
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SLIDE 15

Resonant properties of tunable halide perovskite nanoparticles

Room-temperature lasing from single nanocube

Introduction Conclusion

Enhanced emission on Mie resonance Tunable Fano resonance

  • Results. Lasing from single nanocube

Tiguntseva, E. et al. ACS Nano (2020).

11

Higher crystals quality by wet-chemistry synthesized method

CsPbBr3

Speaker:

  • E. Tiguntseva
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SLIDE 16

Resonant properties of tunable halide perovskite nanoparticles

Optical properties of single nanocubes

Introduction Conclusion

Enhanced emission on Mie resonance Tunable Fano resonance

  • Results. Lasing from single nanocube

Tiguntseva, E. et al. ACS Nano (2020).

12

CsPbBr3

Dark-field spectroscopy

Experiment Calculations Speaker:

  • E. Tiguntseva
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SLIDE 17

Resonant properties of tunable halide perovskite nanoparticles

Optical properties of single nanocubes

Introduction Conclusion

Enhanced emission on Mie resonance Tunable Fano resonance

  • Results. Lasing from single nanocube

Tiguntseva, E. et al. ACS Nano (2020).

13

Emission spectra below and above lasing threshold Pump-intensity-dependent emission spectra at different values of fluence below and above the lasing threshold

Speaker:

  • E. Tiguntseva
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SLIDE 18

Resonant properties of tunable halide perovskite nanoparticles

Output emission intensity and FWHM as a function of pump fluence Introduction Conclusion

Enhanced emission on Mie resonance Tunable Fano resonance

  • Results. Lasing from single nanocube

Tiguntseva, E. et al. ACS Nano (2020).

14

Threshold pump fluence dependence as a function of the nanocube size

Speaker:

  • E. Tiguntseva
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SLIDE 19

Resonant properties of tunable halide perovskite nanoparticles

Multipolar decomposition of the lasing mode Introduction Conclusion

Enhanced emission on Mie resonance Tunable Fano resonance

  • Results. Lasing from single nanocube

Tiguntseva, E. et al. ACS Nano (2020).

15

Electric & magnetic modes of different sizes in the vicinity of the lasing band

L side = 310 nm L side = 310 nm Speaker:

  • E. Tiguntseva
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SLIDE 20

Resonant properties of tunable halide perovskite nanoparticles

Summary

Potentially application:

  • for perovskite-based LEDs with integrated nanoantennas
  • for coloring or light out-coupling in perovskite-based optoelectronic devices
  • multicolor architectures for white-light emitting

Main results:

  • PL intensity enchantment by Mie resonances in perovskite LP NPs
  • Fano resonance was observed in perovskite LP NPs
  • Subwavelength perovskite NPs is like a green nanolasers were explored

Introduction Results

Enhanced emission on Mie resonance Tunable Fano resonance Lasing from single nanocube

Conclusion

16 Speaker:

  • E. Tiguntseva
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SLIDE 21

Resonant properties of tunable halide perovskite nanoparticles

Acknowledgments

  • D. Baranov
  • T. Shegai

A.A. Zakhidov Y.S. Kivshar S.V. Makarov

  • K. Koshelev
  • G. Zograf
  • A. Pushkarev
  • B. Munkhbat

Introduction Results

Enhanced emission on Mie resonance Tunable Fano resonance Lasing from single nanocube

Conclusion

  • A. Furasova

Speaker:

  • E. Tiguntseva
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SLIDE 22

Resonant properties of tunable halide perovskite nanoparticles

Introduction Results

Enhanced emission on Mie resonance Tunable Fano resonance Lasing from single nanocube

Conclusion

Thank you for your attention!

e.tiguntseva@metalab.ifmo.ru

Speaker:

  • E. Tiguntseva