Acceleration of radiative recombination in quasi-2D perovskite films on hyperbolic metamaterials

Pavel Tonkaev*, Sergey Anoshkin, Anatoly Pushkarev, Radu Malureanu, Mikhail Masharin, Pavel Belov, Andrei Lavrinenko, Sergey Makarov

*Corresponding author for this work

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

Hyperbolic metamaterials are a family of nanophotonic architectures allowing for the unique control of photonic local density of states. Such a property makes metamaterials prospective to use them with light-emitting objects or to apply as meta-electrodes for optoelectronic devices, where the control of recombination properties plays a decisive role. On the other hand, layered quasi-2D halide perovskites (Ruddlesden-Popper phase) attract high attention due to their low cost, broadband spectral tunability, and outstanding optoelectronic properties. Here, we show how to accelerate photoluminescence with smart engineering of photonic density of states (i.e., via the Purcell effect) by depositing a perovskite film on a hyperbolic metamaterial. We experimentally confirm acceleration of radiative recombination by almost 3 times. This effect can be useful in light-emitting devices, where interplay between radiative and non-radiative channels of charge carrier recombination is crucial.

Original languageEnglish
Article number091104
JournalApplied Physics Letters
Volume118
Issue number9
Number of pages7
ISSN0003-6951
DOIs
Publication statusPublished - 1 Mar 2021

Bibliographical note

Funding Information:
This work was supported by the Ministry of Science and Higher Education (Project No. 14.Y26.31.0010), while the experimental part was supported by the Russian Science Foundation (Project No. 19-73-30023). The authors are thankful to Mikhail Baranov for SEM measurements.

Publisher Copyright:
© 2021 Author(s).

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