Cathodic Co-electrodeposition of Fe3+-doped TiO2 Thin Films and Their Photocatalytic Activity under Visible Light

doi:10.3724/SP.J.1077.2007.00514

Abstract

Abstract: A novel cathodic co-electrodeposition (CCED) method for the preparation of Fe ³⁺ -doped TiO₂ thin film (Fe-TiO ₂) was studied. The thin film photocatalysts of Fe-TiO ₂containing different amounts of Fe ³⁺ were prepared by the
CCED, wet impregnation and sol-gel methods. The photocatalysts were characterized by X-ray diffraction analysis (XRD), specific surface area measurements, SEM-EDS and UV-vis absorption spectra. In the three types of photocatalysts, the photocatalysts obtained by CCED not only have a more homogeneous distribution of Fe ³⁺ , but also have the largerst specific surface area and the photodegradation activity than those obtained by the other two. In addition, the experimental results show that there is a synergetic effect of photosensitization and photocatalytic in RhB degradation.

Key words: co-electrodeposition, dope, TiO2 film, visible light

CLC Number:

X703
TB43

CAO Jiang-Lin,WU Zu-Cheng,CAO Fa-He,ZHANG Jian-Qing. Cathodic Co-electrodeposition of Fe³⁺-doped TiO₂ Thin Films
and Their Photocatalytic Activity under Visible Light[J]. Journal of Inorganic Materials, DOI: 10.3724/SP.J.1077.2007.00514.

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Cathodic Co-electrodeposition of Fe³⁺-doped TiO₂ Thin Films
and Their Photocatalytic Activity under Visible Light

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