An overview of methods for increasing the efficiency of dye sensitive solar cells true titanium dioxide photoelectrodes optimaization

Document Type : Review Article

Authors

1 Associate Professor, Faculty of Mechanics, Materials Engineering, University of Tabriz

2 MSc Student, Materials Engineering, University of Tabriz

3 Ph.D. Student, Materials Engineering, University of Tabriz

Abstract

Commercial solar cells are mainly made of single-crystal or polycrystalline silicon wafers. The main disadvantages of these cells are the high cost of raw materials and manufacturing methods. Dye Sensitive Solar Cells (DSSCs) are widely studied due to the low cost fabrication method, environmentally friendly, and competitive performance. The components of DSSC are the conductive substrate, dye, photoanode, catalyst and electrolyte. Each component has its own special significance, but among them, photoanode is the main component which determines the energy conversion efficiency. To date, various materials have been used as photoanode. In the meantime, large surface area nanostructured photoanode, high electron transfer and low electron recombination facilitate the production of DSSCs with high energy conversion efficiency. Improvement of photoanodes, such as crystal structure(by controlling of annealing temperature), tube morphology(by controlling of voltage, temperature and time of anodizing), are needed to accomplish such things as high surface area, high light scattering effect, increased interfacial quality, fast electron transfer, and increased charge harvesting capacity.

Keywords

References

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Journal of Renewable and New Energy
Volume 5, Issue 2 - Serial Number 10
September 2018
Pages 45-56

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History

  • Receive Date: 30 May 2018
  • Revise Date: 14 July 2018
  • Accept Date: 14 July 2018

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