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TiO2-BaTiO3 Composite Films as Photoanode for Dye Sensitized Solar Cell: Effect of BaTiO3 Content

TiO₂-BaTiO₃ Composite Films as Photoanode for Dye Sensitized Solar Cell: Effect of BaTiO₃ Content

S.N. Sadikin | M.Y.A. Rahman* | A.A. Umar

Institute of Microengineering and Nanoelectronics (IMEN), Universiti Kebangsaan Malaysia, 43600, Bangi, Selangor, Malaysia

Corresponding Author Email:

mohd.yusri@ukm.edu.my

Received:

2 May 2017

| |

Accepted:

1 July 2017

| | Citation

v20n03a04_p109-113.pdf

OPEN ACCESS

Abstract:

This manuscript reports the use of TiO₂-BaTiO₃ composite films as a photoanode in dye-sensitized solar cell (DSSC). The influence of BaTiO₃ content on the performance parameters of the DSSC has been investigated. The composite has been prepared on ITO glass substrate via sol-gel assisted with spin coating technique. The XRD analysis reveals that the sample is crystalline with the phase of BaTiO₃ and anatase TiO₂. From the FESEM observation, it was found that the pure sample contains bigger pores compared with the other samples prepared with various BaTiO₃ contents. The samples become more compact as the content of BaTiO₃ increases. The samples absorb more light in ultraviolet (UV) region than visible region. The area of absorption window varies with BaTiO₃ content. The device utilizing the sample with 0 and 6 wt.% BaTiO₃demonstrated the lowest leak current. The device utilizing pure sample produced the highest η of 0.18%. This is due to this device utilized the sample with highest porosity, lowest leak current and charge transfer resistance, R_ct.

Keywords:

barium titanate, composite, DSSC, photoanode, titanium dioxide

1. Introduction

2. Experimental

3. Results and Discussion

4. Conclusions

5. Acknowledgements

References

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TiO2-BaTiO3 Composite Films as Photoanode for Dye Sensitized Solar Cell: Effect of BaTiO3 Content