Hydrothermal-assisted liquid phase deposition synthesis and photocatalytic activities of titania nanocrystals |
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| Authors: | Ning Wang Chunqiu Zhang Hongcai He Xiao Li Jian Yang |
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| Affiliation: | 1. Laboratory of Materials Study, Jijel University, Jijel 18000, Algeria;2. Laser Department, Nuclear Research Centre of Algeria, Algiers 16000, Algeria;3. Science & Technology Department, University of Bejaia, Bejaia 06000, Algeria;4. Laboratory of Thin Films and Interface, University Mentouri, Constantine 25000, Algeria;1. State Key Laboratory of Urban Water Resource and Environment (SKLUWRE), School of Chemical Engineering and Technology, Harbin Institute of Technology, Harbin 150001, China;2. Integrated Composites Laboratory (ICL), Dan F. Smith Department of Chemical Engineering, Lamar University, Beaumont, TX 77710, USA;1. Department of Chemistry, National Taiwan University, Taipei 106, Taiwan;2. Research Division, National Synchrotron Radiation Research Center, Hsinchu 300, Taiwan;1. Department of Chemistry, Isfahan University of Technology, Isfahan 84154-83111, Iran;2. Chemistry Department, Payame Noor University (PNU), Tehran 19395-4697, Iran |
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| Abstract: | Herein, we firstly used hydrothermal-assisted liquid phase deposition (HT-LPD) approach to prepare anatase titania nanocrystals, with γ-Al2O3 as the fluorion scavenger. The as-prepared products were characterized by X-ray powder diffraction, UV–vis diffuse reflectance spectrometer, and transmission electron microscope. Compared with titania nanocrystal prepared by LPD method, titania nanocrystals prepared by HT-LPD method exhibited better photocatalytic activity, especially the nanocrystal prepared by HT-LPD method at 200 °C for 3 h. The possible reason for the enhanced photocatalytic activity was investigated. |
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