Preparation and photoelectric properties of Fe-doped mesoporous TiO2 thick films used in DSSC

Yian Xie; Yue Shen; Feng Gu; Huina Lu; Mingming Wu; Linjun Wang

doi:10.1117/12.843483

12 October 2009 Preparation and photoelectric properties of Fe-doped mesoporous TiO₂ thick films used in DSSC

Yian Xie, Yue Shen, Feng Gu, Huina Lu, Mingming Wu, Linjun Wang

Proceedings Volume 7518, Photonics and Optoelectronics Meetings (POEM) 2009: Solar Cells, Solid State Lighting, and Information Display Technologies; 75180S (2009) https://doi.org/10.1117/12.843483
Event: Photonics and Optoelectronics Meetings 2009, 2009, Wuhan, China

Abstract

Fe-doped mesoporous TiO₂ (M-TiO₂-Fe) thick films were prepared by sol-gel and screen printing process. Raman characteristics results show that the M-TiO₂-Fe thick film possesses a certain degree of the anatase phase, which may have advantages on photocatalysis and photovoltaic ability. Derived from small angel X-Ray diffraction (SAXRD), the films exhibit mesoporous structure with pore size around 7-8 nm. Eg of the films was obviously narrowed from 3.4 eV to 3.0 eV, which allows the thick films using more light to initiate photovoltaic process. Dye-sensitized solar cell (DSSC) based on M-TiO₂-Fe was structured and chlorophyl was used as sensitizers. The solar cells have an open circuit voltage above 260mV.

Citation Download Citation

Yian Xie, Yue Shen, Feng Gu, Huina Lu, Mingming Wu, and Linjun Wang "Preparation and photoelectric properties of Fe-doped mesoporous TiO₂ thick films used in DSSC", Proc. SPIE 7518, Photonics and Optoelectronics Meetings (POEM) 2009: Solar Cells, Solid State Lighting, and Information Display Technologies, 75180S (12 October 2009); https://doi.org/10.1117/12.843483

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