Journal
SCIENTIFIC REPORTS
Volume 5, Issue -, Pages -Publisher
NATURE PUBLISHING GROUP
DOI: 10.1038/srep15012
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Funding
- Natural Science Foundation of China [51322201, 51102049]
- Project Based Personnel Exchange Program
- CSC
- DAAD
- Specialized Research Fund for the Doctoral Program of Higher Education [20120071110025]
- Science and Technology Commission of Shanghai Municipality [12520706300]
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The synergy effect in nature could enable fantastic improvement of functional properties and associated effects. The detection performance of surface-enhanced Raman scattering (SERS) can be highly strengthened under the cooperation with other factors. Here, greatly-enhanced SERS detection is realized based on rolled-up tubular nano-resonators decorated with silver nanoparticles. The synergy effect between whispering-gallery-mode (WGM) and surface plasmon leads to an extra enhancement at the order of 10(5) compared to non-resonant flat SERS substrates, which can be well tuned by altering the diameter of micron-and nanotubes and the excitation laser wavelengths. Such synchronous and coherent coupling between plasmonics and photonics could lead to new principle and design for various sub-wavelength optical devices, e.g. plasmonic waveguides and hyperbolic metamaterials.
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