Abstract
Nanosized titania has promising application in the field of photocatalysis, optical coating and solar cell. Metal alkoxides based sol–gel methodology is one of the established & extensively used route for the preparation of nano-titania. In present work, nanosized titania have been prepared through sol–gel transformation of synthesised and chemically modified metal complex using titanium(IV) isopropoxide (TTIP). Modifications of metal alkoxides with chelating ligands result in the controlled condensation of TTIP. Metal complexes of TTIP were chemically modified by various schiffs bases. Phase of nano-sized titania was confirmed by X-ray diffraction and Fourier transform infrared spectroscopy. Shape, size and surface morphology were examined using scanning electron microscopy and high-resolution transmission electron micsroscopy. Elemental composition was investigated by energy disperse X-ray analysis. The absorption spectra and thus optical band gap were determined using Ultraviolet and visible spectroscopy.
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