Towards atomic level vanadium doping of TiO2 via liquid-phase atomic layer deposition
2011
Abstract Vanadium-doping of TiO 2 at the atomic level was achieved via a liquid phase atomic layer deposition (L-ALD) method. UV–vis absorption edge of vanadium-doped TiO 2 has been red-shifted ∼55 nm into visible light region. Photocatalytical assessment reveals that the degradation rate of methylene blue (MB) for vanadium-doped TiO 2 under visible light illumination was enhanced by up to 500% compared to the undoped TiO 2 . This improvement was believed to be attributed to the atomic level doping of the L-ALD method.
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