Coating methods surface chemical derivatization

The nanocrystalline metal oxides can be prepared by the hydrolysis of chelate metal alkoxide complexes at elevated temperature in solutions of the parent chelating alcohols [321]. This method allows the preparation of nonaggregated nanocrystals with variable size and composition and high crystallinity. The surface of the isolated nanoparticles is coated with a labile layer of the solvent and remains chemically active and available for further derivatization. Nanocrystals in this state are capable of forming stable aqueous colloids without using capping ligands or surfactants. The... 

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