Journal
APPLIED SURFACE SCIENCE
Volume 375, Issue -, Pages 207-214Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.apsusc.2016.03.053
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Funding
- National Natural Science Foundation of China [61205174, 11404193, 11504209, 11404195]
- Excellent Young Scholars Research Fund of Shandong Normal University
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Few layers MoS2 were directly synthesized on Ag nanoparticles (AgNPs) by thermal decomposion method to fabricate a MoS2/AgNPs hybrid system for surface-enhanced Raman scattering (SERS). The MoS2/AgNPs hybrid system shows high performance in terms of sensitivity, signal-to-noise ratio, reproducibility and stability. The minimum detected concentration from MoS2/AgNPs hybrid system for R6 G can reach 10(-9) M, which is one order of magnitude lower than that from AgNPs system. The hybrid system shows the reasonable linear response between the Raman intensity and concentration that R-2 is reached to 0.988. The maximum deviations of SERS intensities from 20 positions of the SERS substrate are less than 13%. Besides, the hybrid system has a good stability, the Raman intensity only drop by 20% in a month. This work can provide a basis for the fabrication of novel SERS substrates. (C) 2016 Published by Elsevier B.V.
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