Abstract
Smooth and white spherical shaped TiO2 thin films are successfully deposited by Nebulizer Spray Pyrolysis (NSP) technique. The TiO2 thin films are characterized by XRD, SEM, DRS, PL and I-V analysis. Anatase phase polycrystalline tetragonal structure with preferential orientation along (1 0 1) direction obtained form XRD. The expansion and contraction of Ti-O bonds leads to a high crystalline nature with its purity at 289 nm. The absorbance increases with substrate temperature due to the decrease of film thickness, packing density and shrinkage of spray droplets. TiO2 thin films indicate that the film is made up of small granules having slab like particles with some voids at lower temperature. The tiny particles are combined together to form white spherical shaped flower particles with pinholes at 450oC. A room temperature resistivity of the film deposited at 400oC is found to be in the order of 105 Ω/cm, which decreases to 103 Ω/cm for the films prepared at 450oC.
Highlights
Titanium dioxide (TiO2) has been one of the most attractive materials in the experimental investigation during the last decades due to its scientific and technological importance
TiO2 thin films were prepared through Nebulizer spray pyrolysis (NSP) method
The tiny particles are combined together to form white spherical shaped flower particles with pinholes at 450oC. It reveals the presence of tiny dust granules with rough surface at higher temperature [19]. These results indicates that the substrate temperature slightly amend the morphological observations
Summary
Titanium dioxide (TiO2) has been one of the most attractive materials in the experimental investigation during the last decades due to its scientific and technological importance. Sterilization and sewage disposal using TiO2 as an electrochemical catalyst were investigated. Titanium dioxide (TiO2) is highly important in both theoretical and experimental field of research because of its very interesting electronics structures, which can be tuned by several processes. It has wide range of industrial and technological applications as pigment, photo catalyst and UV absorption. TiO2 is an important compound suitable for fuel cells, solar cells, different sensors, pollution control system, waste management and self-cleaning glass coating materials along with food, cosmetic, paint, UV protectors etc [3,4,5,6,7,8,9,10,11]
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