Quantifying photoinduced carriers transport in exciton–polariton coupling of MoS2 monolayers

Abstract Exciton–polariton coupling between transition metal dichalcogenide (TMD) monolayer and plasmonic nanostructures generates additional states that are rich in physics, gaining significant attention in recent years. In exciton–polariton coupling, the understanding of electronic-energy exchange...

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Autores principales:	Min-Wen Yu, Satoshi Ishii, Shisheng Li, Ji-Ren Ku, Jhen-Hong Yang, Kuan-Lin Su, Takaaki Taniguchi, Tadaaki Nagao, Kuo-Ping Chen
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Materials of engineering and construction. Mechanics of materials TA401-492 Chemistry QD1-999
Acceso en línea:	https://doaj.org/article/21d1b1030fc04b7d965605da2c14ae8b
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spelling	oai:doaj.org-article:21d1b1030fc04b7d965605da2c14ae8b2021-12-02T13:39:54ZQuantifying photoinduced carriers transport in exciton–polariton coupling of MoS2 monolayers10.1038/s41699-021-00227-y2397-7132https://doaj.org/article/21d1b1030fc04b7d965605da2c14ae8b2021-04-01T00:00:00Zhttps://doi.org/10.1038/s41699-021-00227-yhttps://doaj.org/toc/2397-7132Abstract Exciton–polariton coupling between transition metal dichalcogenide (TMD) monolayer and plasmonic nanostructures generates additional states that are rich in physics, gaining significant attention in recent years. In exciton–polariton coupling, the understanding of electronic-energy exchange in Rabi splitting is critical. The typical structures that have been adopted to study the coupling are “TMD monolayers embedded in a metallic-nanoparticle-on-mirror (NPoM) system.” However, the exciton orientations are not parallel to the induced dipole direction of the NPoM system, which leads to inefficient coupling. Our proposed one-dimensional plasmonic nanogrooves (NGs) can align the MoS2 monolayers’ exciton orientation and plasmon polaritons in parallel, which addresses the aforementioned issue. In addition, we clearly reveal the maximum surface potential (SP) change on intermediate coupled sample by the photo-excitation caused by the carrier rearrangement. As a result, a significant Rabi splitting (65 meV) at room temperature is demonstrated. Furthermore, we attribute the photoluminescence enhancement to the parallel exciton–polariton interactions.Min-Wen YuSatoshi IshiiShisheng LiJi-Ren KuJhen-Hong YangKuan-Lin SuTakaaki TaniguchiTadaaki NagaoKuo-Ping ChenNature PortfolioarticleMaterials of engineering and construction. Mechanics of materialsTA401-492ChemistryQD1-999ENnpj 2D Materials and Applications, Vol 5, Iss 1, Pp 1-7 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Materials of engineering and construction. Mechanics of materials TA401-492 Chemistry QD1-999
spellingShingle	Materials of engineering and construction. Mechanics of materials TA401-492 Chemistry QD1-999 Min-Wen Yu Satoshi Ishii Shisheng Li Ji-Ren Ku Jhen-Hong Yang Kuan-Lin Su Takaaki Taniguchi Tadaaki Nagao Kuo-Ping Chen Quantifying photoinduced carriers transport in exciton–polariton coupling of MoS2 monolayers
description	Abstract Exciton–polariton coupling between transition metal dichalcogenide (TMD) monolayer and plasmonic nanostructures generates additional states that are rich in physics, gaining significant attention in recent years. In exciton–polariton coupling, the understanding of electronic-energy exchange in Rabi splitting is critical. The typical structures that have been adopted to study the coupling are “TMD monolayers embedded in a metallic-nanoparticle-on-mirror (NPoM) system.” However, the exciton orientations are not parallel to the induced dipole direction of the NPoM system, which leads to inefficient coupling. Our proposed one-dimensional plasmonic nanogrooves (NGs) can align the MoS2 monolayers’ exciton orientation and plasmon polaritons in parallel, which addresses the aforementioned issue. In addition, we clearly reveal the maximum surface potential (SP) change on intermediate coupled sample by the photo-excitation caused by the carrier rearrangement. As a result, a significant Rabi splitting (65 meV) at room temperature is demonstrated. Furthermore, we attribute the photoluminescence enhancement to the parallel exciton–polariton interactions.
format	article
author	Min-Wen Yu Satoshi Ishii Shisheng Li Ji-Ren Ku Jhen-Hong Yang Kuan-Lin Su Takaaki Taniguchi Tadaaki Nagao Kuo-Ping Chen
author_facet	Min-Wen Yu Satoshi Ishii Shisheng Li Ji-Ren Ku Jhen-Hong Yang Kuan-Lin Su Takaaki Taniguchi Tadaaki Nagao Kuo-Ping Chen
author_sort	Min-Wen Yu
title	Quantifying photoinduced carriers transport in exciton–polariton coupling of MoS2 monolayers
title_short	Quantifying photoinduced carriers transport in exciton–polariton coupling of MoS2 monolayers
title_full	Quantifying photoinduced carriers transport in exciton–polariton coupling of MoS2 monolayers
title_fullStr	Quantifying photoinduced carriers transport in exciton–polariton coupling of MoS2 monolayers
title_full_unstemmed	Quantifying photoinduced carriers transport in exciton–polariton coupling of MoS2 monolayers
title_sort	quantifying photoinduced carriers transport in exciton–polariton coupling of mos2 monolayers
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/21d1b1030fc04b7d965605da2c14ae8b
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_version_	1718392603248951296

Quantifying photoinduced carriers transport in exciton–polariton coupling of MoS2 monolayers

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