The effect of annealing on photocatalytic properties of nanostructured titanium dioxide thin films

Effect of Annealing Temperature on the Optical Properties of TiO₂ Thin Films Prepared by Pulse Laser Deposition

“…From Fig.1 it can observe that the transmittance of the TiO 2 thin film decreases with increasing annealing temperature and then dropped, this may be due to the increase in film homogeneity, with the increase of the surface roughness promoting the increase of the surface scattering of the light by increasing the columnar growth with needle and rod like shape [7,16]. In addition, the transmittance increase with increasing wavelength for all prepared thin films.…”

“…Titanium dioxide (TiO 2 ) has attracted much attention in recent years due to its great potential for applications in optical elements, electrical insulation, capacitors or gates in microelectronic devices, photovoltaic solar cells, anti reflection coatings, optical waveguides, photonic crystals, devices based on metal etc [6]. Many deposition methods have been used to prepare TiO 2 thin films, such as electron-beam evaporation [7], ion-beam assisted deposition [8], DC reactive magnetron sputtering [9], RF reactive magnetron sputtering [10], sol-gel dip coating method [11], sol-gel spin coating method [12], chemical vapor deposition [13], plasma enhanced chemical vapor deposition [14] and pulsed laser deposition (PLD) [15]. Among these methods, PLD technique has been widely used for growing oxide films because it allows for stoichiometry of the synthesized material.…”

Recent Overview of Solar Photocatalysis and Solar Photo-Fenton Processes for Wastewater Treatment

“…A batch mode reactor exposed to sunlight using a mirror concentrator. 12 International Journal of Photoenergy Sol-gel method using titanium butoxide 16 International Journal of Photoenergy nanoparticles, and TiO 2 thin films strongly depends on the synthesis methods [144][145][146][147][148][149]. Three different phases of TiO 2 have been reported which depend on the heat treatment like anatase, rutile, and brookite, anatase and rutile phases being commonly prepared [8,9,11,145,149].…”

Sol-Gel Synthesis and Characterization of TiO2 Nano Films in the Building of Dssc

“…In nature, flowers, leaves, and fruits show various color and contain various natural dyes which can be extracted by simple procedure. Therefore, researchers pay more and more attention to natural dyes owing to their low cost, non toxicity, and full biodegradation [4][5][6][7][8][9][10][11]. In our work, we synthesized natural indigo Dye and used as sensitizer.…”