Lab symbolics or author photo E. Tiguntseva* A. Pushkarev ... - Presentation.pdf · A. Pushkarev,...

Resonant properties of tunable halide perovskite nanoparticles

Lab symbolicsor author photo

Introduction Enhanced emission on Mie resonance Lasing from single nanocubeTunable 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

https://pubs.acs.org/doi/abs/10.1021/acs.nanolett.7b04727




https://pubs.acs.org/doi/abs/10.1021/acsnano.0c01468

https://pubs.acs.org/doi/abs/10.1021/acsnano.0c01468


Introduction ResultsEnhanced emission on

Mie resonanceTunable Fano

resonanceLasing from single

nanocubeConclusion

Motivation. Subwavelength sources of visible photons

Speaker:E. Tiguntseva

Curto, A. Science 2010, 329, 930−933.

Kuhn, 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 :

• optimize emitters efficiency

• steer radiation pattern to a given

direction

1





nanocubeConclusion

Motivation. Subwavelength sources of visible photons

Curto, A. Science 2010, 329, 930−933.

Kuhn, 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 optical resonances at the wavelength of the

material emission

1






nanocubeConclusion

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 – cationsХ – anion (I, Br, Cl)

Room Temperature

N = 2-3

good candidate

ABX3 - general formula

2



Introduction Conclusion

SEM images with diameters of received NPs Methods of fabrication

Results. Enhanced emission on Mie resonanceTunable Fano


nanocube

Jeon, Nam Joong, et al. Nature materials (2014)

Dmitriev, P. A., et al. Nanoscale (2016)

Laser printing method

12 3

forward-transfer geometry

MAPbX3 (X=I, Br)

MA = CH3NH3

Three steps thin film fabrication method

3



Photoluminescence enhancement

Introduction ConclusionResults. Enhanced emission on Mie resonanceTunable Fano


nanocube

MAPbI3

MA = CH3NH3

Photoluminescence spectra

5-fold enhancement of photoluminescence (PL) for resonant nanoparticles

2-fold enhancement as compared with a thinperovskite film

thin film

Dark-field spectroscopy

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

D = 415 nm

4



Photoluminescence enhancement



nanocube

MAPbI3

MA = CH3NH3

Photoluminescence spectra

5-fold enhancement of photoluminescence (PL) for resonant nanoparticles

2-fold enhancement as compared with a thinperovskite film

thin film


D = 415 nm

Mode decomposition for single NP




Resonant properties of nanoparticles



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




Different composition of resonant nanoparticles



nanocube


Sim

ula

tio

nEx

per

imen

t

λ emission = 650 nm λ emission = 770 nmλ emission = 539 nm

7



Observation Fano resonance in perovskite NPs

Introduction ConclusionEnhanced emission on Mie resonance Results. Tunable Fano resonanceLasing 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





nanocube


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





nanocube


CsPbBr3

Sheme of Chemical Vapour Anion ExchangeSEM image

10





nanocube


CsPbBr3

Big intervals Smaller intervals

10

SEM image



Room-temperature lasing from single nanocube

Introduction ConclusionEnhanced emission on Mie

resonanceTunable Fano

resonanceResults. Lasing from single nanocube

Tiguntseva, E. et al. ACS Nano (2020).11

Higher crystals quality by wet-chemistry synthesized method

CsPbBr3



Optical properties of single nanocubes





CsPbBr3


Experiment Calculations



Optical properties of single nanocubes





Emission spectra below and above lasing threshold

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



Output emission intensity and FWHM as a function of pump fluence





Threshold pump fluence dependence as a function of the nanocube size



Multipolar decomposition of the lasing mode





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

L side = 310 nm L side = 310 nm



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




nanocubeConclusion

16



Acknowledgments

D. Baranov T. Shegai

A.A. ZakhidovY.S. Kivshar

S.V. Makarov

K. KoshelevG. Zograf

A. Pushkarev B. Munkhbat




nanocubeConclusion

A. Furasova






nanocubeConclusion

Thank you for your attention!

[email protected]


Lab symbolics or author photo E. Tiguntseva* A. Pushkarev ... - Presentation.pdf · A. Pushkarev,...

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