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Preferential Self-Assembly of Surface-Modified Si/SiOx Nanoparticles on UV/Ozone Micropatterned Poly(dimethylsiloxane) Films
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2000
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EngineeringPolymer NanotechnologyNanostructured PolymerUv/ozone Micropatterned PolySurface NanotechnologyPreferential Self-assemblyOptoelectronic DevicesChemistryNanoscale ChemistrySpecific Self-assemblyHybrid MaterialsSi/siox Core–shell NanoparticlesPolymer ChemistryMaterials ScienceNanotechnologyPhotonic MaterialsSurface ModificationSurface NanoengineeringNanomaterialsNanofabricationPdms DomainsSurface-modified Si/siox Nanoparticles
The specific self-assembly of Si/SiOx core–shell nanoparticles onto UV/ozone micropatterned poly(dimethylsiloxane) (PDMS) films is reported here. Auger and Raman spectroscopic mapping document the preferential Si/SiOx nanoparticle adsorption within PDMS domains (see Figure). These nanoparticles display a high refractive index, which renders them potentially important for photonic bandgap applications.