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Effect of Single and Bimetallic Ni, V and Mn Transition Metal Ion Doping on the Properties of Anatase/Brookite TiO2 Photocatalyst

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Abstract:

Titania with a mixture of anatase, rutile and brookite nanostructures have gained much attention lately due to their high photocatalytic activity. Pure titania (TiO2) with a mixture of anatase, rutile, brookite phase were synthesized by hydrothermal treatment using titanium isopropoxide (TTIP) and 1.0 M of urea. The titania were doped with 1wt% of single transition metal nickel (Ni), vanadium (V) and manganese (Mn) and 1 wt% bimetallic transition metal of Ni-V and Ni-Mn, respectively. Pure titania shows higher, 94 % degradation of ibuprofen (Ibp) as the presence of brookite phase in the structure. The band gap energy of titania was obtained using the Kubelka-Munk reflectance function decreased as doping a transition metallic dopant where the energy order are V<MN<Ni, respectively. Bimetallic dopant V and Mn contribute higher photocatalytic activities as decreasing band gap energy of Ni ion doping.

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Periodical:

Advanced Materials Research (Volume 1133)

Pages:

527-531

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1133.527

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Online since:

January 2016

Authors:

Noor Zalikha Mohamed Islam*, Hendrik Kosslick, Mat Tamizi Zainuddin, Zuhana Ahmad Zubir, Shamsul Azrolsani Abdul Aziz Nazri, Mohd Zahid Abdul Malek, Mohamed Izat Mohd Ezwan, Shahrul Nizam Md Salleh, Mohd Syaifurizwan Abdul Aziz

Keywords:

Anatase, Band Gap, Brookite TiO2, Metallic Dopant, Photocatalytic Activity

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© 2016 Trans Tech Publications Ltd. All Rights Reserved

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