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Showing 1–4 of 4 results
Advanced filters: Author: Chenglian Zhu Clear advanced filters

  • Downsizing into the strong confinement regime can improve single-photon purity in quantum dot emitters, but often at the expense of optical stability. Here, the authors present an alternative approach leveraging electron–phonon coupling to achieve stable, room-temperature single-photon emission with enhanced purity in colloidal hybrid lead halide perovskite quantum dots.

    • Leon G. Feld
    • Simon C. Boehme
    • Maksym V. Kovalenko
    ResearchOpen Access
    Nature Communications
    P: 1-12

  • Greatly enhanced light absorption is reported in large perovskite quantum dots by realizing a transition with a giant oscillator strength at the optical bandgap.

    • Simon C. Boehme
    • Tan P. T. Nguyen
    • Gabriele Rainò
    ResearchOpen Access
    Nature Photonics
    Volume: 19, P: 864-870

  • Excitonic single-photon superradiance is reported in individual perovskite quantum dots with a sub-100 ps radiative decay time, almost as short as the reported exciton coherence time.

    • Chenglian Zhu
    • Simon C. Boehme
    • Gabriele Rainò
    ResearchOpen Access
    Nature
    Volume: 626, P: 535-541

  • Narrow emission is desired for light-emitting devices. Here, Kovalenko et al. demonstrate that the emission line-broadening in perovskite quantum dots is dominated by the coupling between excitons and surface phonon modes which can be controlled by minimal surface modifications.

    • Gabriele Rainò
    • Nuri Yazdani
    • Maksym V. Kovalenko
    ResearchOpen Access
    Nature Communications
    Volume: 13, P: 1-8