Photoelectrochemical Studies on the TiO₂ Nanostructured Porous Film Sensitized by Cyanine Dye

Authors

Li ZHANG, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871
Mai-zhi YANG, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871
Xue-bin QIAO, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871
Yan-zhong HAO, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871
En-qing GAO, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871
Sheng-min CAI, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871

Corresponding Author

Mai-zhi Yang

Abstract

The photoelectrochemical behaviors of the TiO₂ nanostructured porous film sensitized by cyanine dye were investigated in this paper. The results showed that the excitaed state level matched the conduction band edge of TiO₂ nanoparticle. Therefore the sensitization of the dye can increase the photocurrent intensity of the TiO₂ nanostructured electrode obviously and results in a red-shift of optical absorption from the ultra-violet region to the visible. As a result, the light-to-electricity conversion efficiency was improved evidently, the maximum value of IPCE has reached 12.1%.

Keywords

Dye sensitization, TiO2 nanostructured porous film electrode, Photoelectrochemisty, Cyanine dye

DOI Link

https://doi.org/10.61558/2993-074X.3197

Publication Date

1999-11-28

Online Available Date

1999-11-28

Revised Date

1999-05-24

Received Date

1999-04-18

Recommended Citation

Li ZHANG, Mai-zhi YANG, Xue-bin QIAO, Yan-zhong HAO, En-qing GAO, Sheng-min CAI. Photoelectrochemical Studies on the TiO₂ Nanostructured Porous Film Sensitized by Cyanine Dye[J]. Journal of Electrochemistry, 1999 , 5(4): 377-382.
DOI: 10.61558/2993-074X.3197
Available at: https://jelectrochem.xmu.edu.cn/journal/vol5/iss4/9