Study of Different TiO2 Electrode Structures on Dye-Sensitized Solar Cell

Autor: Liang-Wen Ji, Ho-Hua Chung, Teen-Hang Meen, Chien-Chen Diao, Yin Wei Chen, Chien-Jung Huang
Rok vydání: 2008
Předmět:
Zdroj: Key Engineering Materials. :1716-1719
ISSN: 1662-9795
Popis: In this research, applications of different TiO2 electrode structures on Dye-Sensitized Solar Cell were investigated. The different TiO2 electrode structures include: (1) synthesis of TiO2 nano-particles and TiO2 film electrode by sol-gel and spin-coating method; (2) fabrication of the TiO2 film electrode by RF Sputtering; (3) fabrication of the rod TiO2 electrode by photo lithography. X-ray diffraction patterns show that the best sintering temperature of nano-TiO2 thin film is 500oC, at which TiO2 anatase phase forms best and the smallest particle-size (8-10 nm) can be obtained. Ultraviolet-visible absorption spectra reveal that the rod TiO2 electrode with TCPP sensitizer adsorbed on has the best optical absorption from 400 nm to 700 nm. The results of current-voltage analyses reveal that the solar cell with rod TiO2 electrode has higher conversion efficiency than the others. This result also provides clear evidence for the contact area between TiO2 electrode and TCPP sensitizer plays an important role on the efficiency of dye-sensitized solar cell.
Databáze: OpenAIRE