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Direct Integration of Few-Layer MoS2 at Plasmonic Au Nanostructure by Substrate-Diffusion Delivered Mo

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  • Rui Ma, Beijing University of Posts and Telecommunications
  • ,
  • Mark J. Haastrup
  • ,
  • Zegao Wang, Sichuan University
  • ,
  • Yumin Liu, Beijing University of Posts and Telecommunications
  • ,
  • Han Ye, Beijing University of Posts and Telecommunications
  • ,
  • Mingdong Dong
  • Jeppe V. Lauritsen
  • Duncan S. Sutherland

The seamless combination of plasmonic structures with metal oxides and in particular with 2D materials has attracted significant recent interests. Here, a novel approach to grow molybdenum disulfide (MoS2) is presented: an optically active 2D material, directly onto plasmonic nanoscale gold disks via a surface diffusion delivery of Mo from within the nanostructure and a sulfidation process. X-ray photoelectron spectroscopy and Raman spectroscopy measurements demonstrate the existence and the reaction process of few layered MoS2. Delivery of Mo from within the nanostructure and direct growth of MoS2 has the potential to form better defined metal/MoS2 interfaces compared to exfoliation routes. This facile approach has the potential for application in photodetector or other devices.

Original languageEnglish
Article number1902093
JournalAdvanced Materials Interfaces
Number of pages10
Publication statusPublished - 2020

    Research areas

  • molybdenum disulfide, MoS metal interaction, MoS synthesis, plasmonic, surface plasmonic structure

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