Photocatalysis Property of Titania-Based Thin Films with Covalent Grafting PANi as Sensitizer

Hong Quan Liu; Fang Lian; Lin Zhang; Meng Liu

doi:10.4028/www.scientific.net/AMR.549.470

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Synthesis and Research of Lithium Manganese Titanium Oxide
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Photocatalysis Property of Titania-Based Thin Films with Covalent Grafting PANi as Sensitizer
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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 549Photocatalysis Property of Titania-Based Thin...

Photocatalysis Property of Titania-Based Thin Films with Covalent Grafting PANi as Sensitizer

Abstract:

Polyaniline sensitized titania thin film were fabricated by spin-coating from Ti-precursor containing PEG as surfactant via a sol-gel technique, in which titania-sol was synthesized by hydrolysis of tetrabutyl titanate in water-alcohol solution. The films were characterized by X-ray diffraction, high resolution transmission electron microscopy, field-emission scanning electron microscopy, thermal gravity-differential scanning calorimetry, and tested under self-made photocatalysis instrument. The results showed the synthesized porous films provided the active surfaces for self-polymerization of aniline. Compared with bare TiO₂ thin films, the composite films displayed a enhanced photocatalytic activity and could be the potential photocatalyst for indoor air decontamination or self-cleaning films.

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Chemical Engineering and Material Properties II

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Advanced Materials Research (Volume 549)

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470-473

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.549.470

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Online since:

July 2012

Authors:

Hong Quan Liu, Fang Lian, Lin Zhang, Meng Liu

Keywords:

Covalently Grafting, Polyaniline, TiO₂ Porous Thin Films, Visible-Light Photocatalysis

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