Abstract
Titania–surfactant inorganic–organic nanocomposites with wormhole-like frameworkmesostructure were synthesized based on self-assembly between a neutral amine surfactant(dodecylamine) and a neutral inorganic precursor (tetrabutyl titanate). The preparednanocomposites were characterized by x-ray diffraction (XRD), Fourier transformedinfrared spectra (FTIR) and x-ray photoelectron spectroscopy (XPS). The opticalabsorption and photoluminescence spectra have been measured. It has been found thatTiO2–surfactant inorganic–organic nanocomposites have a significant redshift of the optical absorption band edge in contrast to that of bulkTiO2, and an unusual room temperature photoluminescence (RTPL). The results obtainedindicate that the interfacial effect between the titanium dioxide and the surfactant plays animportant role in the optical properties.
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