Journal
CRYSTENGCOMM
Volume 16, Issue 15, Pages 3091-3096Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3ce42505c
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Funding
- National Basic Research Program of China [2013CB934302]
- Natural Science Foundation of China [51072199]
- Strategic Priority Research Program of the Chinese Academy of Sciences [XDA09030200]
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High-energy {100} faceted single crystal TiO2 nanorods were synthesized by a facile hydrothermal method. An interesting phase transition from the orthorhombic hydrogen titanate to anatase TiO2 was observed during the reaction process. A structural formation model of the TiO2 nanorods was proposed based on experimental evidence. The resultant {100} faceted TiO2 nanorods exhibited considerably enhanced photocatalytic activity towards degradation of organic pollutants and removal of heavy metal ions owing to the special one-dimensional structure with the reactive {100} facets, thus showing a great potential in the field of water treatment. At the same time, the synthetic route provided guidance for the synthesis of high-energy {100} facets using EDTA and urea as effective modifiers. This approach may be extended to synthesize other functional oxide crystals with well-defined morphologies and to increase the percentages of certain exposed facets.
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