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The Effects of WO3 Nanoparticles Addition to the TiO2 Photoelectrode in Dye-Sensitized Solar Cells

  • Vu, Hong Ha Thi (Department of Nano Energy Engineering and BK21 PLUS Nanoconvergence Technology Division, Pusan National University) ;
  • Hwang, Yoon-Hwae (Department of Nano Energy Engineering and BK21 PLUS Nanoconvergence Technology Division, Pusan National University) ;
  • Kim, Hyung-Kook (Department of Nano Energy Engineering and BK21 PLUS Nanoconvergence Technology Division, Pusan National University)
  • Received : 2016.04.29
  • Accepted : 2016.05.25
  • Published : 2016.06.30

Abstract

Increasing the efficiency of dye-sensitized solar cells (DSSCs) by the fabrication of new photoelectrodes (PEs) is an important challenge. This study examined the photovoltaic parameters of DSSCs composed of a $TiO_2$ PE with $WO_3$ nanoparticles (NPs). A number of PEs with the same thickness but different concentrations of $WO_3$ NPs in the $TiO_2PE$ were prepared. The morphology and structural properties of the prepared PEs were examined by field-emission scanning electron microscopy and X-ray diffraction, respectively. The effects of the $WO_3$ NPs mixing concentration on the efficiency of DSSCs were investigated under simulated solar light irradiation.

Keywords

References

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