Strong Exciton-Plasmon Coupling in MoS2 Coupled with Plasmonic Lattice

Nano Letters
Wenjing LiuRitesh Agarwal

Abstract

We demonstrate strong exciton-plasmon coupling in silver nanodisk arrays integrated with monolayer MoS2 via angle-resolved reflectance microscopy spectra of the coupled system. Strong exciton-plasmon coupling is observed with the exciton-plasmon coupling strength up to 58 meV at 77 K, which also survives at room temperature. The strong coupling involves three types of resonances: MoS2 excitons, localized surface plasmon resonances (LSPRs) of individual silver nanodisks and plasmonic lattice resonances of the nanodisk array. We show that the exciton-plasmon coupling strength, polariton composition, and dispersion can be effectively engineered by tuning the geometry of the plasmonic lattice, which makes the system promising for realizing novel two-dimensional plasmonic polaritonic devices.

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Citations

Sep 24, 2016·Nano Letters·Yuriy ZakharkoJana Zaumseil
Aug 8, 2018·Nature Nanotechnology·Fábio BarachatiStéphane Kéna-Cohen
Jan 22, 2019·Chemical Society Reviews·Manuel HertzogKarl Börjesson
Feb 21, 2018·Nature Communications·Long ZhangHui Deng
Dec 14, 2019·The Analyst·Juanjuan LiuSebastian Wachsmann-Hogiu
Nov 13, 2018·Beilstein Journal of Nanotechnology·Gwénaëlle LamriAnne-Laure Baudrion
Jul 23, 2016·Nanoscale·Rohit ChikkaraddyG V Pavan Kumar
Jul 14, 2018·Nature Communications·Christian SchneiderBernhard Urbaszek
Oct 13, 2018·Physical Review Letters·Á Gutiérrez-RubioF Guinea
Jan 18, 2019·Light, Science & Applications·Hangyong ShanZheyu Fang
Aug 31, 2017·Advanced Science·Yu LiZheyu Fang
Nov 5, 2017·Nature Communications·Marie-Elena KleemannJeremy J Baumberg
Feb 10, 2020·The Journal of Chemical Physics·Yanan DaiHrvoje Petek
Sep 26, 2020·Physical Review Letters·Chao LianSheng Meng
Mar 24, 2020·Physical Review Letters·A Casalis de PuryJ J Baumberg
Oct 9, 2020·Research : a Science Partner Journal·Ziwei LiAnlian Pan
Oct 10, 2020·Science·Wenjing LiuRitesh Agarwal
Jan 17, 2021·Nanomaterials·Zhendong YanChaojun Tang
Apr 14, 2021·Nature Materials·Xiaoze LiuXiang Zhang

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