Effects of TiO2 phase and nanostructures as photoanode on the performance of dye-sensitized solar cells


In this study, different titanium dioxide (TiO2) nanostructures and phase were investigated as photoanode film for application in dye-sensitized solar cells. Rutile TiO2 nanorods (NRs)-nanotrees (NTs) and TiO2 NRs-microcauliflowers (MCFs) were synthesized via hydrothermal method for different time. The mixed phase of rutile-anatase film was fabricated by applying TiO2 nanoparticles paste on the synthesized TiO2 NRs-NTs via squeegee method. The counter electrode film was fabricated by spraying deposition and sputtering methods of reduced graphene oxide–multi-walled carbon nanotubes and platinum, respectively. Solar simulator measurement revealed that higher energy conversion efficiency (1.420%) and short-circuit current density (3.584 mA cm−2) were achieved by using rutile TiO2 NRs-MCFs film. The utilization of a thick rutile film with microparticle structures increases dye adsorption, and thus enhances the electron excitation.

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We would like to express our appreciation to the Fundamental Research Grant Scheme (Grant Code: 2015-0154-102-02) for the financial support.

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Correspondence to A B Suriani.

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Muqoyyanah, Suriani, A.B., Mohamed, A. et al. Effects of TiO2 phase and nanostructures as photoanode on the performance of dye-sensitized solar cells. Bull Mater Sci 44, 10 (2021). https://doi.org/10.1007/s12034-020-02302-4

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  • TiO2
  • nanotrees
  • microcauliflowers
  • phase
  • efficiency
  • DSSCs