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Manipulating the light-matter interactions in plasmonic nanocavities at 1 nm spatial resolution.


ABSTRACT: The light-matter interaction between plasmonic nanocavity and exciton at the sub-diffraction limit is a central research field in nanophotonics. Here, we demonstrated the vertical distribution of the light-matter interactions at ~1 nm spatial resolution by coupling A excitons of MoS2 and gap-mode plasmonic nanocavities. Moreover, we observed the significant photoluminescence (PL) enhancement factor reaching up to 2800 times, which is attributed to the Purcell effect and large local density of states in gap-mode plasmonic nanocavities. Meanwhile, the theoretical calculations are well reproduced and support the experimental results.

SUBMITTER: Wen BY 

PROVIDER: S-EPMC9325739 | biostudies-literature | 2022 Jul

REPOSITORIES: biostudies-literature

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Manipulating the light-matter interactions in plasmonic nanocavities at 1 nm spatial resolution.

Wen Bao-Ying BY   Wang Jing-Yu JY   Shen Tai-Long TL   Zhu Zhen-Wei ZW   Guan Peng-Cheng PC   Lin Jia-Sheng JS   Peng Wei W   Cai Wei-Wei WW   Jin Huaizhou H   Xu Qing-Chi QC   Yang Zhi-Lin ZL   Tian Zhong-Qun ZQ   Li Jian-Feng JF  

Light, science & applications 20220726 1


The light-matter interaction between plasmonic nanocavity and exciton at the sub-diffraction limit is a central research field in nanophotonics. Here, we demonstrated the vertical distribution of the light-matter interactions at ~1 nm spatial resolution by coupling A excitons of MoS<sub>2</sub> and gap-mode plasmonic nanocavities. Moreover, we observed the significant photoluminescence (PL) enhancement factor reaching up to 2800 times, which is attributed to the Purcell effect and large local de  ...[more]

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