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Structured Metallic Films for Optical and Spectroscopic Applications via Colloidal Crystal Templating
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2001
Year
Spectroscopic ApplicationsOptical MaterialsEngineeringColloidal MaterialNanoporous MaterialMetal NanoparticlesSurface-enhanced Raman ScatteringColloidal NanocrystalsMetallic NanomaterialsChemistrySpecific Film ThicknessMetallic Functional MaterialNew MethodsPlasmonic MaterialMaterials ScienceLatex MicrospheresNanotechnologyColloidal Crystal TemplatingNanomaterialsStructured Metallic FilmsSurface ScienceApplied PhysicsNanofabricationThin Films
Two new methods of preparing thin porous metallic films, based on controlled co-crystallization of latex microspheres and gold nanoparticles, have been developed by these authors. The new materials show interesting optical properties and excellent surface-enhanced Raman spectroscopy (SERS) activity. The Figure shows a square pore array obtained at a specific film thickness.