Journal
OPTICS EXPRESS
Volume 24, Issue 23, Pages 26097-26108Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.24.026097
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Funding
- National Natural Science Foundation of China (NSFC) [11474187, 11274204, 11674199, 11504209]
- Excellent Young Scholars Research Fund of Shandong Normal University
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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 x 10(-10) M. The MoS2@AuNPs was characterized by SEM, EDS, AFM, Raman spectroscopy, UV-Vis, XRD and HRTEM. (C) 2016 Optical Society of America.
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