Surface passivation of highly ordered TiO_2 nanotube arrays and application to dye-sensitized solar cells using the concept of isoelectric point

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概要

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• Highly ordered TiO2 nanotube arrays have attracted much attention in an application to dye-sensitized solar cells (DSCs) due to their superior charge percolation. However, the efficiency of TiO2-nanotube-based DSCs is 6.89%, which is still lower than that of TiO2-nanoparticle-based DSCs. In this study, the surface passivation of highly ordered TiO2 nanotube arrays has been applied to increase the performance of TiO2-nanotube-based DSCs using the concept of isoelectric point. Both acidic oxide such as WO3 and basic oxides such as MgO, ZnO have been used as materials for surface passivation. The overall conversion efficiency of DSCs based on surface-passivated TiO2 nanotube arrays has been improved by these passivating layers.

• 2009-05-01

著者

• Choi Won-youl

  Dept. Of Metal And Materials Engineering Kangnung National University

• MUN Kyu-Shik

  Dept. of Metal and Materials Engineering, Kangnung National University

• PARK Hun

  Dept. of Materials Science and Engineering, Korea Advanced Institute of Science and Technology

• YANG Dae-Jin

  Dept. of Materials Science and Engineering, Korea Advanced Institute of Science and Technology

• YOO Jin-Seong

  Dept. of Materials Science and Engineering, Korea Advanced Institute of Science and Technology

• KIM Woong-Rae

  Dept. of Metal and Materials Engineering, Kangnung National University

• KIM Ho-Gi

  Dept. of Materials Science and Engineering, Korea Advanced Institute of Science and Technology

• Kim Ho-gi

  Dept. Of Materials Science And Engineering Korea Advanced Institute Of Science And Technology

• Kim Woong-rae

  Dept. Of Metal And Materials Engineering Kangnung National University

• Park Hun

  Dept. Of Materials Science And Engineering Korea Advanced Institute Of Science And Technology

• Yang Dae-jin

  Dept. Of Materials Science And Engineering Korea Advanced Institute Of Science And Technology

• Mun Kyu-shik

  Dept. Of Metal And Materials Engineering Kangnung National University

• Yoo Jin-seong

  Dept. Of Materials Science And Engineering Korea Advanced Institute Of Science And Technology

関連論文

• Surface passivation of highly ordered TiO_2 nanotube arrays and application to dye-sensitized solar cells using the concept of isoelectric point
• Fabrication of photocatalytic multi layer membrane using porous TiO_2 film by aerosol deposition
• Influence of Microstructure and Grain Boundary Potential Barrier Layer on the Electrical Breakdown of Positive Temperature Coefficient BaTiO_3 Ceramics

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