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Weak plasmon-exciton coupling between monolayer molybdenum disulfide and aluminum disks

机译:单层钼二硫键与铝磁盘之间的弱等离子体激素偶联

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摘要

Manipulation of the photoluminescence (PL) of monolayer (ML) molybdenum disulfide (MoS2) with metallic plasmonic nanostructures has attracted much more attention for potential applications in optoelectronic devices. However, due to the limitation of resonance wavelength and oxidation properties, gold and silver are not the best selections for manipulating PL of MoS2. Here, we employ aluminum (Al) disks to tune the PL of ML MoS2. We have found that PL enhancement reaches the maximum when plasmonic resonances of Al disks overlap with the absorption peaks of ML MoS2. Near-field simulations show that PL enhancement is due to weak plasmon - exciton coupling. (c) 2018 Optical Society of America
机译:用金属等离子体纳米结构的单层(ML)二硫化钼(MOS2)的光致发光(PL)的操纵引起了光电器件中潜在应用的更多关注。 然而,由于谐振波长和氧化性能的限制,金和银不是操纵MOS2的最佳选择。 在这里,我们使用铝(Al)磁盘来调整M1 MOS2的PL。 我们发现,当Al磁盘的等离子体谐振与ML MOS2的吸收峰重叠时,PL增强率达到最大值。 近场模拟表明,PL增强是由于弱等离子体 - 激子耦合。 (c)2018年光学学会

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  • 来源
    《Optics Letters》 |2018年第14期|共4页
  • 作者单位

    Yanshan Univ Inst Elect Engn Qinhuangdao 066004 Peoples R China;

    Yanshan Univ Inst Elect Engn Qinhuangdao 066004 Peoples R China;

    Yanshan Univ Inst Elect Engn Qinhuangdao 066004 Peoples R China;

    Yanshan Univ Inst Elect Engn Qinhuangdao 066004 Peoples R China;

    Yanshan Univ Inst Elect Engn Qinhuangdao 066004 Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 计量学;光学;
  • 关键词

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