Multi-mode enhanced Raman scattering spectroscopy using aggregation-free hybrid metal/metal-oxide nanoparticles with intrinsic oxygen vacancies
Gemma Davison, Yidan Yin, Tabitha Jones, Ivan P. Parkin, William J. Peveler, Tung‐Chun Lee
Abstract
Un-aggregated plasmonic nanoparticles with a metal oxide coating display persistent enhanced Raman spectra in solution. Enhancement can be further boosted with UV-irradiation (PIERS) to detect nanomolar concentrations of explosive dinitrotoluene.
Topics & Concepts
Materials scienceRaman spectroscopyOxideRaman scatteringNanoparticleMetalPlasmonOxygenExplosive materialSpectroscopyCoatingChemical engineeringPhotochemistryNanotechnologyOptoelectronicsOpticsMetallurgyChemistryOrganic chemistryEngineeringQuantum mechanicsPhysicsGold and Silver Nanoparticles Synthesis and ApplicationsSpectroscopy Techniques in Biomedical and Chemical ResearchAdvanced Nanomaterials in Catalysis