Microsphere-supported gold nanoparticles for SERS detection of malachite green
David T. Hinds, Samir A. Belhout, Paula E. Colavita, Andrew D. Ward, Susan J. Quinn
Abstract
The high surface area of porous carbon microspheres is exploited to prepare surface-enhanced Raman scattering (SERS) gold substrates and sensitive detection of malachite green is observed for optically trapped individual composite particles.
Topics & Concepts
Malachite greenRaman scatteringMaterials scienceColloidal goldNanoparticleRaman spectroscopyNanotechnologyMicrosphereComposite numberSurface-enhanced Raman spectroscopyMalachiteChemical engineeringOpticsChemistryAdsorptionComposite materialMetallurgyOrganic chemistryPhysicsCopperEngineeringGold and Silver Nanoparticles Synthesis and ApplicationsBiosensors and Analytical DetectionAdvanced Nanomaterials in Catalysis