Photovoltaic properties of near-infrared absorbing manganese (II) phthalocyanine sensitized mesoporous TiO2 films

Fei Zheng; Yue Shen; Feng Gu; Junzhi Zhang; Jiancheng Zhang

doi:10.1117/12.792199

11 March 2008 Photovoltaic properties of near-infrared absorbing manganese (II) phthalocyanine sensitized mesoporous TiO₂ films

Fei Zheng, Yue Shen, Feng Gu, Junzhi Zhang, Jiancheng Zhang

Author Affiliations +

Proceedings Volume 6984, Sixth International Conference on Thin Film Physics and Applications; 69843J (2008) https://doi.org/10.1117/12.792199
Event: Sixth International Conference on Thin Film Physics and Applications, 2007, Shanghai, China

Abstract

Mesoporous TiO₂ particles were prepared and characterized by X-ray diffraction (XRD) and high resolution transmission electron microscopy (HRTEM), which confirmed that well-organized mesostructure has been formed. Near-infrared absorbing tetra-amino manganese (II) phthalocyanine (TAMnPc) was synthesized and employed as sensitizer and TAMnPc sensitized mesoporous TiO₂ (TAMnPc-TiO₂) films were prepared and characterized by electronic absorption spectrum. Compared with bare TiO₂ films, TAMnPc-TiO₂ films exhibit an additional Q absorption band in near-infrared region. Current-voltage (I-V) characteristics of TAMnPc-TiO₂ films in dark and under irradiation were tested. Adsorption of TAMnPc onto mesoporous TiO₂ leads to a significant rise in photoconductivity.

Citation Download Citation

Fei Zheng, Yue Shen, Feng Gu, Junzhi Zhang, and Jiancheng Zhang "Photovoltaic properties of near-infrared absorbing manganese (II) phthalocyanine sensitized mesoporous TiO₂ films", Proc. SPIE 6984, Sixth International Conference on Thin Film Physics and Applications, 69843J (11 March 2008); https://doi.org/10.1117/12.792199

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