A facile synthesis of single crystal TiO2 nanorods with reactive {100} facets and their enhanced photocatalytic activity
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AbstractHigh-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.
All Author(s) ListYang Y, Wang GZ, Deng Q, Kang SH, Ng DHL, Zhao HJ
Journal nameCrystEngComm
Year2014
Month1
Day1
Volume Number16
Issue Number15
PublisherROYAL SOC CHEMISTRY
Pages3091 - 3096
ISSN1466-8033
LanguagesEnglish-United Kingdom
Web of Science Subject CategoriesChemistry; Chemistry, Multidisciplinary; CHEMISTRY, MULTIDISCIPLINARY; Crystallography; CRYSTALLOGRAPHY

Last updated on 2020-08-08 at 01:51