Highly efficient and controllable photoluminescence emission on a suspended MoS2-based plasmonic grating

被引：3

作者：

Huang, Lei ^{[1
]}

Su, Huanhuan ^{[2
]}

Hu, Guohua ^{[1
]}

Wu, Shan ^{[3
]}

Wang, Yongkang ^{[4
]}

Chen, Boyu ^{[1
]}

Wang, Qianjin ^{[2
]}

Deng, Chunyu ^{[1
]}

Yun, Binfeng ^{[1
]}

Zhang, Ruohu ^{[1
]}

Cui, Yiping ^{[1
]}

机构：

[1] Southeast Univ, Sch Elect Sci & Engn, Adv Photon Ctr, Nanjing 210096, Jiangsu, Peoples R China

[2] Nanjing Univ, Sch Phys, Collaborat Innovat Ctr Adv Microstruct, Natl Lab Solid State Microstruct, Nanjing 210093, Peoples R China

[3] Fuyang Normal Univ, Anhui Higher Educ Inst, Key Lab Funct Mat & Devices Informat, Fuyang 236037, Peoples R China

[4] Southeast Univ, Sch Mech Engn, Jiangsu Key Lab Design & Mfg Micronano Biomed Ins, Nanjing 211189, Peoples R China

来源：

NANOTECHNOLOGY | 2020年 / 31卷 / 50期

基金：

中国国家自然科学基金;

关键词：

SPPs; monolayer MoS2; fluorescence; MONOLAYER MOS2; ABSORPTION;

D O I：

10.1088/1361-6528/abb1ea

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Being a new class of materials, transition metal dichalcogenides are paving the way for applications in atomically thin optoelectronics. However, the intrinsically weak light-matter interaction and the lack of manipulation ability has lead to poor light emission and tunable behavior. Here, we investigate the fluorescence characteristic of monolayer molybdenum disulfide on a metal narrow-slit grating, where a highly efficient, 471 times photoluminescence enhancement are realized, based on the hybrid surface plasmon polaritons resonances and the decreased influence of substrate. Moreover, the emitted intensity and polarization are controllable due to the polarization-dependent characteristic and anisotropy of grating. The manipulations of light-matter interactions in this special system provide a new insight into the fluorescent emission process and open a new avenue for high-performance low dimensional materials devices designs.

引用

页数：7

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