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Fabrication of a Au–polystyrene sphere substrate with three-dimensional nanofeatures for surface-enhanced Raman spectroscopy

Materials ScienceSurface-enhanced Raman SpectroscopyEngineeringNanomaterialsNanotechnologyNanostructured SurfaceSurface ScienceApplied PhysicsSurface-enhanced Raman ScatteringSurface NanotechnologyNanofabricationAu–polystyrene Sphere SubstrateThree-dimensional Nanofeatures