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|Title:||The nanocrystallinity enhancement of sol-gel derived TiO 2 nanoparticles by pre-hydrothermal treatment|
|Citation:||Yuwono, A.H., Zhang, Y., Wang, J. (2012). The nanocrystallinity enhancement of sol-gel derived TiO 2 nanoparticles by pre-hydrothermal treatment. Advanced Materials Research 415-417 : 715-719. ScholarBank@NUS Repository. https://doi.org/10.4028/www.scientific.net/AMR.415-417.715|
|Abstract:||Nanocomposite thin film containing TiO 2 nanoparticles in polymethyl methacrylate (PMMA) is a new class of potential materials for optoelectronic applications. Among the various processing techniques for these nanocomposites, in situ sol-gel process is well known to be versatile as it enables control of the inorganic-organic interaction at various molecular, nanometer and micrometer scales. However, the resulting TiO 2 phase is largely amorphous, as a consequence of the relatively low processing temperatures. Therefore, the current research is aimed at enhancing the nanocrystallinity of TiO 2 nanoparticles in nanocomposites. For this purpose, pre-hydrothermal treatment was carried on the inorganic sols. The nanocrystallinity degree of the resulting TiO 2 nanoparticles was studied by XRD and FTIR. The studies showed that the nanocrystallinity of TiO 2 nanoparticles synthesized from the inorganic sol can be enhanced significantly by the pre-hydrothermal treatment, as a result of the completion of hydrolysis stage during sol-gel process.|
|Source Title:||Advanced Materials Research|
|Appears in Collections:||Staff Publications|
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