Effect of Dopant Concentration of N, Fe Co-Doped TiO2 on Photodegradation of Methylene Blue under Ordinary Visible Light

Arman Sikirman; Jagannathan Krishnan; Elvana Nerissa Mohamad

doi:10.4028/www.scientific.net/AMM.661.34

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 661Effect of Dopant Concentration of N, Fe Co-Doped...

Effect of Dopant Concentration of N, Fe Co-Doped TiO₂ on Photodegradation of Methylene Blue under Ordinary Visible Light

Abstract:

The effect of dopant concentration on N, Fe co-doped TiO2 for photodegradation of methylene blue under ordinary visible light was investigated. The photocatalyst samples were prepared using solgel method with titanium tetraisopropoxide as precursor of titania. The dopant concentrations were varied from 0.50% and 1.0% and the calcinations temperature was fixed at 600oC. The prepared photocatalysts were characterized using XRD and FTIR to determine their physical properties. The results from XRD proved that photocatalyst with dopant concentration of 1.0% N, 1.0% Fe-TiO₂ showing highly desirable properties in phase and crystal size. The results from FTIR revealed the presence of both the dopants in the samples. The effectivity of photocatalysts was tested by performing a standard batch photocatalytic degradation experiment with methylene blue as a model pollutant under ordinary visible light. The result showed that photocatalyst with high dopant concentration for both nitrogen and ferrum dopant (1.0 % N, 1.0% Fe-TiO₂) yielded a maximum of 80.50% methylene blue degraded within five hours of irradiation time.

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Periodical:

Applied Mechanics and Materials (Volume 661)

Pages:

34-38

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.661.34

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Online since:

October 2014

Authors:

Arman Sikirman*, Jagannathan Krishnan, Elvana Nerissa Mohamad

Keywords:

Co-Doping, Dopant Concentration, Photocatalytic Degradation, Solgel, Titanium Dioxide, Visible Light

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