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 Sergey Makarov Lasing from single nanocube Conclusion Preview Introduction Enhanced emission on Mie resonance Tunable Fano resonance Room-Temperature Lasing from Tunable Hybrid Fano Resonances Light-Emitting Halide Perovskite Mie-Resonant Nonplasmonic in Halide Perovskite Nanoantennas Nanoparticles Nanoparticles *Speaker: Ph.D. student at Departmant of Physics and Engineering, ITMO University, Saint-Petersburg, Russia
Speaker: Resonant properties of tunable halide perovskite nanoparticles E. Tiguntseva Enhanced emission on Tunable Fano Lasing from single Introduction Results Conclusion Mie resonance resonance nanocube Motivation. Subwavelength sources of visible photons Single molecules The main challenges are to : • optimize emitters efficiency • steer radiation pattern to a given direction Ku ̈ hn, S. Phys. Rev. Lett. 2006, 97, 017402 Quantum dots Capretti, A., et al. ACS Photonics (2017) light localization high values of the Purcell factor low defect concentration Kuznetsov, A., et al. low losses Science (2016) Curto, A. Science 2010, 329, 930 − 933. 1
Speaker: Resonant properties of tunable halide perovskite nanoparticles E. Tiguntseva Enhanced emission on Tunable Fano Lasing from single Introduction Results Conclusion Mie resonance resonance nanocube Motivation. Subwavelength sources of visible photons Single molecules Light-emitting dielectric nanoantennas with optical resonances at the wavelength of the material emission Ku ̈ hn, S. Phys. Rev. Lett. 2006, 97, 017402 Quantum dots Capretti, A., et al. ACS Photonics (2017) light localization high values of the Purcell factor low defect concentration Kuznetsov, A., et al. low losses Science (2016) Curto, A. Science 2010, 329, 930 − 933. • multistage fabrication 1
Speaker: Resonant properties of tunable halide perovskite nanoparticles E. Tiguntseva Enhanced emission on Tunable Fano Lasing from single Introduction Results Conclusion Mie resonance resonance nanocube Motivation. Perovskites. ABX 3 - general formula А, B – cations Х – anion (I, Br, Cl) QY ~ More than 70 % Room Temperature N = 2-3 good candidate Sutherland, B. R. (2016). Nature Photonics , 10 (5), 295. 2 Makarov S. et al. Advanced Optical Materials (2018)
Speaker: Resonant properties of tunable halide perovskite nanoparticles E. Tiguntseva Tunable Fano Lasing from single Introduction Results. Enhanced emission on Mie resonance Conclusion resonance nanocube Methods of fabrication SEM images with diameters of received NPs Three steps thin film fabrication method 1 2 3 Jeon, Nam Joong, et al. Nature materials (2014) Laser printing method MAPbX 3 (X=I, Br) MA = CH 3 NH 3 forward-transfer geometry 3 Dmitriev, P. A., et al. Nanoscale (2016)
Speaker: Resonant properties of tunable halide perovskite nanoparticles E. Tiguntseva Tunable Fano Lasing from single Introduction Results. Enhanced emission on Mie resonance Conclusion resonance nanocube Photoluminescence enhancement Photoluminescence spectra Dark-field spectroscopy D = 415 nm thin film 5-fold enhancement of photoluminescence (PL) for resonant nanoparticles MAPbI 3 2-fold enhancement as compared with a thin MA = CH 3 NH 3 perovskite film 4 E. Tiguntseva, et al. Nano Letters (2018) 18(2), 1185-1190
Speaker: Resonant properties of tunable halide perovskite nanoparticles E. Tiguntseva Tunable Fano Lasing from single Introduction Results. Enhanced emission on Mie resonance Conclusion resonance nanocube Photoluminescence enhancement Photoluminescence spectra Mode decomposition for single NP Dark-field spectroscopy D = 415 nm thin film 5-fold enhancement of photoluminescence (PL) for resonant nanoparticles MAPbI 3 2-fold enhancement as compared with a thin MA = CH 3 NH 3 perovskite film 5 E. Tiguntseva, et al. Nano Letters (2018) 18(2), 1185-1190
Speaker: Resonant properties of tunable halide perovskite nanoparticles E. Tiguntseva Tunable Fano Lasing from single Introduction Results. Enhanced emission on Mie resonance Conclusion resonance nanocube Resonant properties of nanoparticles Light scattering on perovskite NPs Calculations: Experiment + Calculations: resonances demonstrate a red shift with an the same dependences increase of the nanoparticle diameter for MD and MQ modes 6 E. Tiguntseva, et al. Nano Letters (2018) 18(2), 1185-1190
Speaker: Resonant properties of tunable halide perovskite nanoparticles E. Tiguntseva Tunable Fano Lasing from single Introduction Results. Enhanced emission on Mie resonance Conclusion resonance nanocube Different composition of resonant nanoparticles Experiment λ emission = 539 nm λ emission = 650 nm λ emission = 770 nm Simulation 7 E. Tiguntseva, et al. Nano Letters (2018) 18(2), 1185-1190
Speaker: Resonant properties of tunable halide perovskite nanoparticles E. Tiguntseva Tunable Fano Lasing from single Introduction Results. Enhanced emission on Mie resonance Conclusion resonance nanocube Different composition of resonant nanoparticles Experiment λ emission = 539 nm λ emission = 650 nm λ emission = 770 nm Simulation 7 E. Tiguntseva, et al. Nano Letters (2018) 18(2), 1185-1190
Speaker: Resonant properties of tunable halide perovskite nanoparticles E. Tiguntseva Lasing from single Introduction Results. Tunable Fano resonance Conclusion Enhanced emission on Mie resonance nanocube Observation Fano resonance in perovskite NPs Experiment MAPbBr 3 Simulation MA = CH 3 NH 3 n = 2.3 539 nm • asymmetric behavior • scattering efficiency suppressed above the band gap energy 8 Tiguntseva, E. Y., et al. Nano letters (2018) 18(9), 5522-5529
Speaker: Resonant properties of tunable halide perovskite nanoparticles E. Tiguntseva Lasing from single Introduction Results. Tunable Fano resonance Conclusion Enhanced emission on Mie resonance nanocube Observation Fano resonance in perovskite NPs narrow resonance continuum Fano resonance Mie + Exciton = Weak coupling regime – Fano resonance First time observation of Fano in dielectric nanoantennas in case of coupling with exciton Limonov, Mikhail F., et al. Nature Photonics (2017) 9 Tiguntseva, E. Y., et al. Nano letters (2018) 18(9), 5522-5529
Speaker: Resonant properties of tunable halide perovskite nanoparticles E. Tiguntseva Lasing from single Introduction Results. Tunable Fano resonance Conclusion Enhanced emission on Mie resonance nanocube Observation Fano resonance in perovskite NPs SEM image Sheme of Chemical Vapour Anion Exchange CsPbBr3 10 Tiguntseva, E. Y., et al. Nano letters (2018) 18(9), 5522-5529
Speaker: Resonant properties of tunable halide perovskite nanoparticles E. Tiguntseva Lasing from single Introduction Results. Tunable Fano resonance Conclusion Enhanced emission on Mie resonance nanocube Observation Fano resonance in perovskite NPs Big intervals Smaller intervals SEM image CsPbBr3 10 Tiguntseva, E. Y., et al. Nano letters (2018) 18(9), 5522-5529
Speaker: Resonant properties of tunable halide perovskite nanoparticles E. Tiguntseva Enhanced emission on Mie Tunable Fano Introduction Results. Lasing from single nanocube Conclusion resonance resonance Room-temperature lasing from single nanocube Higher crystals quality by wet-chemistry synthesized method CsPbBr 3 11 Tiguntseva, E. et al. ACS Nano (2020).
Speaker: Resonant properties of tunable halide perovskite nanoparticles E. Tiguntseva Enhanced emission on Mie Tunable Fano Introduction Results. Lasing from single nanocube Conclusion resonance resonance Optical properties of single nanocubes Dark-field spectroscopy Experiment Calculations CsPbBr 3 12 Tiguntseva, E. et al. ACS Nano (2020).
Speaker: Resonant properties of tunable halide perovskite nanoparticles E. Tiguntseva Enhanced emission on Mie Tunable Fano Introduction Results. Lasing from single nanocube Conclusion resonance resonance Optical properties of single nanocubes Emission spectra below and Pump-intensity-dependent emission spectra at different values of above lasing threshold fluence below and above the lasing threshold 13 Tiguntseva, E. et al. ACS Nano (2020).
Speaker: Resonant properties of tunable halide perovskite nanoparticles E. Tiguntseva Enhanced emission on Mie Tunable Fano Introduction Results. Lasing from single nanocube Conclusion resonance resonance Threshold pump fluence dependence as a function of the nanocube size Output emission intensity and FWHM as a function of pump fluence 14 Tiguntseva, E. et al. ACS Nano (2020).
Speaker: Resonant properties of tunable halide perovskite nanoparticles E. Tiguntseva Enhanced emission on Mie Tunable Fano Introduction Results. Lasing from single nanocube Conclusion resonance resonance Electric & magnetic modes of different sizes in the vicinity of the lasing band Multipolar decomposition of the lasing mode L side = 310 nm L side = 310 nm 15 Tiguntseva, E. et al. ACS Nano (2020).
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