Preparation and Characterization of V- doped Titanium Dioxide Films used for Dye-sensitized Solar Cell

Abstract:

In order to obtain high-performance batteries with titanium dioxide films by RF magnetron sputtering, doped(V2O5) TiO2 films were prepared. The main factors affecting the time，the pressure ratio of argon and oxygen， and annealing temperature. The effects such as mass of doping (V2O5) and annealing temperature on film properties.722 spectrophotometer using the optical properties of the study by the degradation of methylene blue and drop contact angle method on the catalytic properties of thin films and hydrophilic properties were studied. The results showed that Doped (V2O5) red shift the absorption peak of the film and the band gap narrowing, of which 0.5% V2O5 doped TiO2 thin film of the red shifts of the largest band gap becomes 2.88eV; 400℃ annealed films with good photocatalytic properties and ultra-hydrophilic.The prepared thin films of titanium dioxide as DSSC cells of sputtering time, the doping effect on battery performance. it shows that Doped with 0.5% V2O5 thin film battery open circuit voltage and short circuit current is higher than the undoped cell, in particular, short-circuit current increases from 24.82A to 88.15A.