Controlled-layer and large-area MoS2 films encapsulated Au nanoparticle hybrids for SERS.

In this work, a facile and effective method for controlled-layer and large-area MoS2 films encapsulated Au nanoparticle hybrids is developed. With accurate Ar plasma treatment time control, the large-area MoS2 layers can be obtained from monolayer to trilayer. The fabricated MoS2@Au NPs with higher surface area exhibit excellent Raman enhanced effect for aromatic organic molecules (rhodamine 6G and crystal violet) and achieve the best when the monolayer MoS2@AuNPs was obtained. The limit of detection is found to be as low as 1 × 10-10 M. The MoS2@AuNPs was characterized by SEM, EDS, AFM, Raman spectroscopy, UV-Vis, XRD and HRTEM.

• Publication year

  2016

• Venue

  Optics Express

• Publication date

  2016-11-14

• Fields of study

  Medicine, Materials Science, Chemistry, Engineering

• Identifiers
  DOI 10.1364/OE.24.026097PMID 27857347
• External record

  Open on Semantic Scholar

• Source metadata

  Semantic Scholar, PubMed

• No claims are published for this paper.

• No concepts are published for this paper.

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