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Synthesis of anatase nanostructured TiO2 particles at low temperature using ionic liquid for photocatalysis |
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| Affiliation: | 1. Department of Nanoscale Semiconductor Engineering, Hanyang University, Seoul 133-791, South Korea;2. The Research Institute for Natural Science, Novel Functional Materials and Devices Lab, Department of Physics, Hanyang University, Seoul 133-791, South Korea;3. Department of Energy Engineering, Hanyang University, Seoul 133-791, South Korea;4. R&D Division, SK Hynix, Kyoungki-do 467-701, South Korea |
| Abstract: | Anatase nanostructured TiO2 particles were synthesized at low temperature by a modified sol–gel method using water immiscible room temperature ionic liquid as an effective template. Anatase phase was formed at low temperature (100 °C) by effective aggregation of TiO2 particles with a self-assembled IL in the sol. The photocatalytic activity of the prepared sample was tested for the degradation of 4-chlorophenol. The TiO2 particle prepared with ionic liquid showed higher photocatalytic activity than that prepared with the conventional sol–gel method under identical conditions. |
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