A facile synthesis of single crystal TiO2 nanorods with reactive {100} facets and their enhanced photocatalytic activity
Publication in refereed journal

香港中文大學研究人員

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摘要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.
著者Yang Y, Wang GZ, Deng Q, Kang SH, Ng DHL, Zhao HJ
期刊名稱CrystEngComm
出版年份2014
月份1
日期1
卷號16
期次15
出版社ROYAL SOC CHEMISTRY
頁次3091 - 3096
國際標準期刊號1466-8033
語言英式英語
Web of Science 學科類別Chemistry; Chemistry, Multidisciplinary; CHEMISTRY, MULTIDISCIPLINARY; Crystallography; CRYSTALLOGRAPHY

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