Abstract
Colloidal TiO2 nanocrystals with average diameter of 6 nm were prepared by hydrolysis of titanium tetraisoproxide in an acidified aqueous solution. Catechol-terminated long-chain alkanes were chemisorbed at the surface of the TiO2 nanocrystals, which were subsequently recovered by centrifugation and redispersed in chloroform. Size-selective precipitation was used to isolate size-monodisperse nanocrystal fractions. Elemental analysis, 1H NMR and FTIR were used to characterize the monolayer of catechol-terminated long-chain alkanes adsorbed at the surface of these nanocrystals. Small-angle X-ray scattering and transmission electron microscopy were used to probe the structure of both the individual nanocrystals and their self-assembled two- and three-dimensional arrays.
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O’Neill, S., Fitzmaurice, D. (2000). Preparation and characterization of size monodisperse TiO2 nanocrystals and their self-assembled two-and three-dimensional arrays. In: Buckin, V. (eds) Trends in Colloid and Interface Science XIV. Progress in Colloid and Polymer Science, vol 115. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-46545-6_68
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DOI: https://doi.org/10.1007/3-540-46545-6_68
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