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Author:

Liu, Yanqi (Liu, Yanqi.) | Li, Muhua (Li, Muhua.) | Li, Qisong (Li, Qisong.) | Liu, Yi (Liu, Yi.)

Indexed by:

EI Scopus SCIE

Abstract:

Ordered metal nanoparticle arrays have attracted considerable attention as promising substrates for surface-enhanced Raman spectroscopy owing to their dense and homogeneous distribution of "hot spots". However, achieving uniformity and stability in these structures remains challenging. In this study, we fabricated an Ag nanoparticle array (NPA)/monolayer MoS2 hybrid using an anodized aluminum template and a wet transfer method. The Ag NPA/MoS2 hybrid, after annealing at 290 degrees C, displayed exceptional sensitivity in detecting rhodamine 6G at concentrations as low as 10(-12) M. This enhancement can be attributed to the enhanced coupling effect between the Ag nanoparticle arrays and MoS2, alongside the optimization of the Ag nanoparticle morphology. Moreover, the hybrid substrate annealed at 290 degrees C demonstrated outstanding reproducibility in both point-to-point and substrate-to-substrate measurements, with relative standard deviations of 5.39 and 7.24%, respectively. These findings highlight the potential of the Ag NPA/MoS2 hybrid for trace detection applications in food and environmental safety.

Keyword:

anodic aluminum oxide surface-enhanced Raman spectroscopy monolayer MoS2 localized surface plasmon resonance trace detection Ag nanoparticle array

Author Community:

  • [ 1 ] [Liu, Yanqi]Univ Shanghai Sci & Technol, Engn Res Ctr Opt Instrument & Syst, Shanghai Key Lab Modern Opt Syst, Minist Educ, Shanghai 200093, Peoples R China
  • [ 2 ] [Li, Qisong]Univ Shanghai Sci & Technol, Engn Res Ctr Opt Instrument & Syst, Shanghai Key Lab Modern Opt Syst, Minist Educ, Shanghai 200093, Peoples R China
  • [ 3 ] [Liu, Yi]Univ Shanghai Sci & Technol, Engn Res Ctr Opt Instrument & Syst, Shanghai Key Lab Modern Opt Syst, Minist Educ, Shanghai 200093, Peoples R China
  • [ 4 ] [Li, Muhua]Beijing Univ Technol, Key Lab Transscale Laser Mfg Technol, Minist Educ, Beijing 100124, Peoples R China
  • [ 5 ] [Liu, Yi]CAS Ctr Excellence Ultraintense Laser Sci, Shanghai 201800, Peoples R China

Reprint Author's Address:

  • [Liu, Yanqi]Univ Shanghai Sci & Technol, Engn Res Ctr Opt Instrument & Syst, Shanghai Key Lab Modern Opt Syst, Minist Educ, Shanghai 200093, Peoples R China;;[Liu, Yi]Univ Shanghai Sci & Technol, Engn Res Ctr Opt Instrument & Syst, Shanghai Key Lab Modern Opt Syst, Minist Educ, Shanghai 200093, Peoples R China;;[Liu, Yi]CAS Ctr Excellence Ultraintense Laser Sci, Shanghai 201800, Peoples R China;;

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Source :

ACS APPLIED NANO MATERIALS

Year: 2024

Issue: 15

Volume: 7

Page: 17668-17677

5 . 9 0 0

JCR@2022

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 12

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