Preparation of Fe3+/Ag+ Co-Doped Nanometer TiO2 Photocatalyst with Sol - Gel Auto-Igniting Method

Zai Feng Shi; Shu Guo

doi:10.4028/www.scientific.net/AMR.399-401.1721

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 399-401Preparation of Fe3+/Ag+ Co-Doped Nanometer TiO2...

Preparation of Fe³⁺/Ag⁺ Co-Doped Nanometer TiO₂ Photocatalyst with Sol - Gel Auto-Igniting Method

Abstract:

To study the preparation of Fe³⁺/Ag⁺ co-doped TiO₂ photocatalyst with sol-gel auto-igniting method, TiO2 powder was prepared with TiCl4 as raw material and the photocatalytic activity of doped TiO₂ was examined with methylene blue (MB) as water samples, and a 15w low pressure mercury lamp as light source. Results showed that: the TiO₂ co-doped with 0.02% (molar ratio) of Fe3+ and 0.5% (molar ratio) of Ag⁺ gives the highest photocatalytic activity. The according photodegradation rate constant of MB is 1.33 and 1.10 times of that with TiO₂ and Fe/TiO₂ separately.

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Periodical:

Advanced Materials Research (Volumes 399-401)

Pages:

1721-1724

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.399-401.1721

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Online since:

November 2011

Authors:

Zai Feng Shi, Shu Guo

Keywords:

Fe³⁺/Ag⁺ Co-Doping, Nano-TiO₂, Sol-Gel Auto-Igniting

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