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- W2620749802 abstract "Abstract The influence of hydroxyl radicals on the photocatalytic performance of synthesized TiO 2 resulting from the addition of water was studied. Two TiO 2 samples were prepared using the sol-gel method followed by calcination at 600 °C. The aim of this work was to study the effect of water on the photocatalytic activity of a model compound – formic acid (FA) – by comparing between the titanium oxide synthesized with water (TiO 2 -600-w) and without water (TiO 2 -600). The TiO 2 -600-w, consisting of anatase and a little rutile, was the most active catalyst, whereas pure anatase (in case of TiO 2 -600), showed low photocatalytic efficiency. In this study, we confirmed that the filling of the TiO 2 surface by hydroxyl radicals could produce better photocatalytic activity by reducing e − /h + recombination. It is notable, however, that with TiO 2 -600-w, the degradation rate (found under UV) was about 4–5 times greater than that obtained with TiO 2 -600. This result suggests that the presence of water was very important in the synthesis of TiO 2 and brought a dramatic gain in the photocatalytic response as well." @default.
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- W2620749802 date "2017-10-01" @default.
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- W2620749802 title "Does water in synthesized TiO 2 have an effect on the photocatalytic activity? Towards a spectacular response" @default.
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- W2620749802 doi "https://doi.org/10.1016/j.matlet.2017.06.010" @default.
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