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Covalent Surface Functionalization and Self-Organization of Silica Nanoparticles
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1999
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NanoparticlesMaterials ScienceColloidal MaterialEngineeringNanoscale ChemistrySurface FunctionalizationNanomaterialsSelf-assemblyColloidal Super CrystalsChemistryCovalent Surface FunctionalizationSchematic DiagramColloidal SystemStöber Synthesis
More than 10 000 carboxylic acid groups are covalently coated on monodisperse silica nanoparticles (see schematic diagram) prepared by a Stöber synthesis. Colloidal super crystals form spontaneously on dissociation in aqueous dispersion with low ionic strength.