Preparation of Nano-crystalline TiO2 Porous Film Electrode Using a Mixing P25 Hydrothermal Method

doi:10.7517/j.issn.1674-0475.2008.06.499

Abstract

Abstract: Nano-crystalline titanium dioxide (TiO₂) colloid was prepared from mixing TiO₂ nano-crystalline P25 to sol by hydrothermal method.Using the nano-crystalline TiO₂ as the electron transmission medium,a dye-sensitized solar cell (DSSC) was assembled.The influence of amount of mixing P25 on the photoelectronic properties of the DSSC was confirmed by XRD pattern,SEM ob-servation,UV-vis spectra,and I-V curve of the solar cells.The results show that when mixing proper P25 ([P25]/[Ti]=0.2) to sol,the photoelectric performance of the DSSC is the best.The photoelectric conversion efficiency with the film electrode could be 5.4% irradiated by a solar simu-lator with 100 mW/cm².

Key words: hydrothermal method, nano-crystallne TiO₂, dye-sensitized solar cell

CLC Number:

ZHANG Xiu-kun, WU Ji-huai, LI Shu-quan, XU Bo, LI Biao, LI Pin-jiang, LAN Zhang, HUANG Miao-liang, LIN Jian-ming, FAN Le-qing. Preparation of Nano-crystalline TiO₂ Porous Film Electrode Using a Mixing P25 Hydrothermal Method[J]. Imaging Science and Photochemistry, 2008, 26(6): 499-506.

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Preparation of Nano-crystalline TiO₂ Porous Film Electrode Using a Mixing P25 Hydrothermal Method

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