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Study on photocatalytic activity of TiO
2
and non–metal doped TiO
2
in Rhodamine B degradation under visible light irradiation

0
Highly active photocatalytic TiO2 nanotubes were successfully synthesised by hydrothermal treatment in base medium using commercial TiO2 powder as Ti–source. Non–metal doped TiO2 samples were made by post–synthesis using urea, thio–urea, ammonium fluoride and ethylene glycol as N, S F and C source. The obtained samples were characterised by XRD, FE–SEM, UV–Vis. Photocatalytic activities of the samples were tested in photocatalytic degradation of Rhodamine B and Methylene Blue in liquid phase under visible light irradiation. Both TiO2 nanotubes and doped samples showed high photocatalytic activities in both the Rhodamine B and Methylene Blue degradation. However, non–metal doped TiO2 samples exhibited much higher photocatalytic activity under visible light irradiation as compared to that of non doped TiO2 sample, indicating high photocatalytic performance of non–metal doped TiO2 photocatalysts under visible light irradiation.

Keywords: TiO2 nanotubes, non–metal doped TiO2, photocatalytic activity, visible light irradiation, titania, nanotechnology, hydrothermal treatment, Rhodamine B, Methylene Blue

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2
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in Rhodamine B degradation under visible light irradiation
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