Abstract
Titanium oxide (TiO2) thin films were deposited onto glass substrates by spray pyrolysis method. The thin films were deposited at three different annealing time; 1, 5 and 10 hours at 400°C. The structural and electrical properties were characterized using FESEM and I-V characteristic. Polycrystalline thin film with anatase crystal structure, as evidenced from X-ray diffraction pattern, was obtained with major reflection along (101). Electrical properties have been studied by means of electrical resistivity. The dark resistivity had been measured as a function of the film thickness, d. The resistivity of samples had been found to decrease with decreasing thickness. Thus, TiO2 is one of the most promising candidates for relatively low cost, simple manufacture for solar cell.
Highlights
The new solar cells are based on low cost and environment friendly materials and technology
The presence of pore in film is confirmed by the FESEM image. This result confirms that the annealing time used to prepare TiO2 thin film greatly affects the photo-conversion efficiency of dye-sensitized solar cells (DSSC) due to the high surface area from its fabrication
TiO2 thin films with anatase phase have been prepared by Spray pyrolysis deposition (SPD) method using different annealing times
Summary
The new solar cells are based on low cost and environment friendly materials and technology. International Integrated Engineering Summit 2014 surface morphology and electrical properties of TiO2 thin film by spray-deposited thin film are discussed. TiO2 thin films were deposited onto glass substrates using spray pyrolysis method. The TiO2 thin films were deposited onto glass substrates by using SPD technique on hot plate at 150°C by using spray technique.
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