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K. SAKTHIVEL1,* , T. VENKATACHALAM2,*
Nanocrystalline TiO2 thin films have been deposited on well cleaned glass substrates by Sol-Gel dip drive technique. The films have been prepared at pH = 9 and the prepared films are annealed at three distinct temperatures (350°C, 450°C, and 550°C) for one hour. The prepared films are characterized by XRD, EDAX, SEM and UV-Vis Spectrophotometer. The structural studies carried out reveals that the pristine films are amorphous in nature. The annealed films have been observed to be nanocrystalline in nature and the crystallinity has been observed to improve on annealing. The transmittance and absorbance spectra have shown that the films are transparent and band gap of the films are of the order of 3.26 eV..
TiO2, Sol-Gel dip-drive coating, Band gap, Band structure, Effective mass of electrons and holes.
K. SAKTHIVEL, T. VENKATACHALAM, Influence of temperature on structural and optical properties of nano-crystalline TiO2 films prepared by Sol-Gel dip-drive coating, Optoelectronics and Advanced Materials - Rapid Communications, 7, 7-8, July-August 2013, pp.516-520 (2013).
Submitted at: April 17, 2013
Accepted at: July 11, 2013
Optoelectronics and Advanced Materials - Rapid Communications
(2022): 0.5 - 2022 Journal Citation Reports (Clarivate Analytics, 2023)
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