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dc.contributor.authorLeng, Meiyingen_US
dc.contributor.authorWu, Jinqien_US
dc.contributor.authorDini, Kevinen_US
dc.contributor.authorLiu, Jingen_US
dc.contributor.authorHu, Zehuaen_US
dc.contributor.authorTang, Jiangen_US
dc.contributor.authorLiew, Timothy Chi Hinen_US
dc.contributor.authorSun, Handongen_US
dc.contributor.authorSu, Ruien_US
dc.contributor.authorXiong, Qihuaen_US
dc.identifier.citationLeng, M., Wu, J., Dini, K., Liu, J., Hu, Z., Tang, J., Liew, T. C. H., Sun, H., Su, R. & Xiong, Q. (2023). Optically pumped polaritons in perovskite light-emitting diodes. ACS Photonics, 10(5), 1349-1355.
dc.description.abstractLead halide perovskites have achieved significant progress in light-emitting diodes (LEDs) with high efficiency in the past few decades. They are also ideal candidates for reaching the strong exciton-photon coupling regime due to their large exciton binding energy and oscillator strength. The generation and control of exotic phenomena in perovskite electroluminescent microcavities, such as electrically pumped polariton lasing and polariton LEDs, operating in the strong coupling regime at room temperature, is still a great challenge. Here, we demonstrate room-temperature strong coupling in a perovskite LED structure. The best device shows a current efficiency of 4.5 cd/A and an external quantum efficiency of 1.4% while exhibiting anticrossing behavior via optical pumping. Our approach represents a new strategy to explore ultrafast LEDs as well as electrically pumped perovskite lasing.en_US
dc.description.sponsorshipMinistry of Education (MOE)en_US
dc.description.sponsorshipNanyang Technological Universityen_US
dc.relationMOE2018- T3-1-002en_US
dc.relation.ispartofACS Photonicsen_US
dc.rightsThis document is the Accepted Manuscript version of a Published Work that appeared in final form in ACS Photonics, copyright © 2023 American Chemical Society, after peer review and technical editing by the publisher. To access the final edited and published work see
dc.subjectScience::Physics::Optics and lighten_US
dc.titleOptically pumped polaritons in perovskite light-emitting diodesen_US
dc.typeJournal Articleen
dc.contributor.schoolSchool of Physical and Mathematical Sciencesen_US
dc.contributor.schoolSchool of Electrical and Electronic Engineeringen_US
dc.description.versionSubmitted/Accepted versionen_US
dc.subject.keywordsHalide Perovskitesen_US
dc.subject.keywordsExciton Polaritonen_US
dc.description.acknowledgementQ.X. gratefully acknowledges funding support from the National Natural Science Foundation of China (Grant Nos. 12020101003 and 92250301) and strong support from the State Key Laboratory of Low-Dimensional Quantum Physics at Tsinghua University. R.S. would like to thank the funding support from Nanyang Technological University via a Nanyang Assistant Professorship Start-Up Grant Scheme and the Singapore Ministry of Education via the AcRF Tier 3 Programme “Geometrical Quantum Materials” (MOE2018- T3-1-002).en_US
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