Lasing from lead halide perovskite semiconductor microcavity systemElectronic supplementary information (ESI) available. See DOI: 10.1039/c8nr01350k

Lasing from lead halide perovskite semiconductor microcavity systemElectronic supplementary... Organicinorganic halide perovskite semiconductors are ideal gain media for fabricating laser and photonic devices due to high absorption, photoluminescence (PL) efficiency and low nonradiative recombination losses. Herein, organicinorganic halide perovskite CH3NH3PbI3 is embedded in the FabryPerot (FP) microcavity, and a wavelength-tunable excitonic lasing with a threshold of 12.9 J cm2 and the spectral coherence of 0.76 nm are realized. The lasing threshold decreases and the spectral coherence enhances as the temperature decreases; these results are ascribed to the suppression of exciton irradiative recombination caused by thermal fluctuation. Moreover, both lasing and light emission below threshold from the perovskite microcavity (PM) system demonstrate a redshift with the decreasing temperature. These results provide a feasible platform based on the PM system for the study of lightmatter interaction for quantum optics and the development of optoelectronic devices such as polariton lasers. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Nanoscale Royal Society of Chemistry

Lasing from lead halide perovskite semiconductor microcavity systemElectronic supplementary information (ESI) available. See DOI: 10.1039/c8nr01350k

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Publisher
The Royal Society of Chemistry
Copyright
This journal is © The Royal Society of Chemistry
ISSN
2040-3364
D.O.I.
10.1039/c8nr01350k
Publisher site
See Article on Publisher Site

Abstract

Organicinorganic halide perovskite semiconductors are ideal gain media for fabricating laser and photonic devices due to high absorption, photoluminescence (PL) efficiency and low nonradiative recombination losses. Herein, organicinorganic halide perovskite CH3NH3PbI3 is embedded in the FabryPerot (FP) microcavity, and a wavelength-tunable excitonic lasing with a threshold of 12.9 J cm2 and the spectral coherence of 0.76 nm are realized. The lasing threshold decreases and the spectral coherence enhances as the temperature decreases; these results are ascribed to the suppression of exciton irradiative recombination caused by thermal fluctuation. Moreover, both lasing and light emission below threshold from the perovskite microcavity (PM) system demonstrate a redshift with the decreasing temperature. These results provide a feasible platform based on the PM system for the study of lightmatter interaction for quantum optics and the development of optoelectronic devices such as polariton lasers.

Journal

NanoscaleRoyal Society of Chemistry

Published: May 29, 2018

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