Journal
RSC ADVANCES
Volume 8, Issue 39, Pages 22095-22102Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c8ra02657b
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Funding
- National Natural Science Foundation of China [51471182]
- Shanghai international science and Technology Cooperation Fund [17520711700]
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In this study, g-C3N4/Ag hybrid nanostructures were fabricated by facilely decorating silver nanoparticles on atmosphere-treated g-C3N4 and served as efficient SERS-active substrates. The observed significant SERS enhancement of crystal violet (CV) molecules on g-C3N4/Ag could be attributed to the high ability to concentrate target molecules through - stacking interactions and the near-field enhancement caused by the boosting SPR effect of the Ag NPs. The atmosphere and calcination time have a considerable impact on the SERS enhancement effect of the g-C3N4/Ag substrate. Furthermore, it took only 10 min to degrade dye molecules under visible light, and after 6 cycles the g-C3N4/Ag substrates still maintained sensitive SERS activity. This research indicates that g-C3N4/Ag hybrids can be applied as reusable SERS substrates.
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