The synthesis and optical properties of TiO2 thin film by Chemical Bath Deposition (CBD) method

M Mahalakshmi

Abstract


Titanium oxide (TiO2) films have several advantages for applications in solar cells and very commonly used as a photo-catalyst for degradation of environmental pollutants. In this study, TiO2 films were synthesized using, a simple, less expensive, low temperature and convenient for large area deposition method, a chemical bath deposition (CBD) and their structural and optical properties were examined at various calcinations temperatures.

The X-ray diffraction (XRD) technique shows the presence of the picks characteristic of anatase phase after annealing our films at 500°C, 600°C and rutile phase appears after heat treatment at 700°C. The surface morphology of the deposited films was characterized by the Scanning electronic microscopy (SEM) and atomic force microscopy (AFM). Energy dispersive X-ray spectroscopy (EDS) analysis was used to determine the chemical composition of the prepared films.


Keywords


Titanium Dioxide, Chemical Bath Deposition; Characterization.

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