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Hybrid plasmonic metasurface as enhanced Raman hot-spots for pesticide detection at ultralow concentrations
Yazan Bdour1, Graham Beaton2, Juan Gomez-Cruz1
1Department of Chemical Engineering, Queen's University, 19 Division St, Kingston, ON K7L 3N6, Canada. ce32@queensu.ca.
Chemical Communications (Cambridge, England)
|June 20, 2023
Abstract:
A surface-enhanced Raman scattering (SERS) active metasurface composed of metallic nanohole arrays and metallic nanoparticles is developed. The metasurface can operate in aqueous environments, achieves an enhancement factor of 1.83 × 109 for Rhodamine 6G, and enables the detection of malachite green at a concentation of 0.46 ppb.
