Dynamics of self-hybridized exciton-polaritons in 2D halide perovskites

扫码查看

原文链接

万方数据

外文摘要：Excitons,bound electron-hole pairs,in two-dimensional hybrid organic inorganic perovskites(2D HOIPs)are capable of forming hybrid light-matter states known as exciton-polaritons(E-Ps)when the excitonic medium is confined in an optical cavity.In the case of 2D HOIPs,they can self-hybridize into E-Ps at specific thicknesses of the HOIP crystals that form a resonant optical cavity with the excitons.However,the fundamental properties of these self-hybridized E-Ps in 2D HOIPs,including their role in ultrafast energy and/or charge transfer at interfaces,remain unclear.Here,we demonstrate that＞0.5 μm thick 2D HOIP crystals on Au substrates are capable of supporting multiple-orders of self-hybridized E-P modes.These E-Ps have high Q factors(＞100)and modulate the optical dispersion for the crystal to enhance sub-gap absorption and emission.Through varying excitation energy and ultrafast measurements,we also confirm energy transfer from higher energy E-Ps to lower energy E-Ps.Finally,we also demonstrate that E-Ps are capable of charge transport and transfer at interfaces.Our findings provide new insights into charge and energy transfer in E-Ps opening new opportunities towards their manipulation for polaritonic devices.

作者：

Surendra B.Anantharaman、Jason Lynch、Christopher E.Stevens、Christopher Munley、Chentao Li、Jin Hou、Hao Zhang、Andrew Torma、Thomas Darlington、Francis Coen、Kevin Li、Arka Majumdar、P.James Schuck、Aditya Mohite、Hayk Harutyunyan、Joshua R.Hendrickson、Deep Jariwala

展开 >

作者单位：

Department of Electrical and Systems Engineering,University of Pennsylvania,Philadelphia,PA 19104,USA

KBR Inc.,Beavercreek,OH 45431,USA

Air Force Research Laboratory,Sensors Directorate,Wright-Patterson Air Force Base,OH 45433,USA

Department of Physics,University of Washington,Seattle,WA 98195,USA

Department of Physics,Emory University,Atlanta,GA 30322,USA

Department of Chemical and Biomolecular Engineering,Rice University,Houston,TX 77005,USA

Department of Materials Science and Nanoengineering,Rice University,Houston,TX 77005,USA

Applied Physics Program,Smalley-Curl Institute,Rice University,Houston,TX 77005,USA

Department of Mechanical Engineering,Columbia University,New York,NY 10027,USA

Department of Electrical and Computer Engineering,University of Washington,Seattle,WA 98195,USA

展开 >

基金：

Asian Office of Aerospace Research and Development of the Air Force Office of Scientific Research(AFOSR)Office of Naval Research(ONR)Young Investigator Award(YIP)Swiss National Science Foundation(SNSF)under the Early Postdoc Mobility grantNSF-AFRL Intern ProgramSingh Center for Nanotechnology at the University of PennsylvaniaNational Science Foundation(N.S.F.)National Nanotechnology Coordinated Infrastructure ProgramNSF REU SUNFEST programUniversity of PennsylvaniaAir Force Research LaboratoryAir Force Office of Scientific Research(Program Manager Dr.Gernot Pomrenke)Programmable Quantum Materials Energy Frontier Research Center funded by the U.S.Department of Energy(DOE)Office of Science,BasiDepartment of EnergyArmy Research Office

项目编号：

FA2386-20-1-4074N00014-23-1-203P2ELP2_187977grant NNCI-15421531950720FA807518D0015FA9550-20RYCOR059DE-SC0019443DE-SC0020101W911NF2210158

出版年：

2024

DOI：

10.1038/s41377-023-01334-9

光:科学与应用(英文版)

中国科学院长春光学精密机械与物理研究所

光:科学与应用(英文版)

CSTPCD

ISSN：2095-5545

年,卷(期)：2024.13(1)

参考文献量47