Open AccessEffect of Mn doping on the Optical and Electrical Properties of TiO2 thin film prepared by Unconventional Sol-gel route
Author(s) -
Maya Devi,
Manas Ranjan Panigrahi
Publication year - 2019
Publication title -
iop conference series. materials science and engineering
Language(s) - English
Resource type - Journals
eISSN - 1757-899X
pISSN - 1757-8981
DOI - 10.1088/1757-899x/653/1/012018
Subject(s) - tetragonal crystal system , refractive index , materials science , thin film , annealing (glass) , doping , transmittance , titanium dioxide , scanning electron microscope , sol gel , analytical chemistry (journal) , transmission electron microscopy , optics , chemistry , crystallography , optoelectronics , nanotechnology , composite material , crystal structure , physics , chromatography
Semi-transparent nanostructured Mn doped titanium dioxide thin films have been prepared by modified sol-gel route starting from the powder reagents. The films deposited on plane glass slides is annealed at 350 0 C. The characterizations of the films are done with X-ray diffraction, Scanning electron microscopy, UV-Vis spectroscopy and Hall measurement. Although annealing transformed the structure from tetragonal body centered to tetragonal primitive, the preferential growth have been reported along the (300) orientation of the diffracting planes. The optical transmittance of the film increases with annealing temperature. The optical parameters like refractive index and extinction coefficients are calculated from the transmission and reflection spectra, and the dispersion in the refractive index has been discussed in terms of single oscillator Wemple and Di Domenico model.