| Synthesis of TiO2 Nanoparticles via a Ti（IV） Complex with Stearic Acid and the Photocatalytic Activity for Organic Oxidation |
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| 引用本文： | XU，Yi－Ming YU，Xiao－Han 等.Synthesis of TiO2 Nanoparticles via a Ti（IV） Complex with Stearic Acid and the Photocatalytic Activity for Organic Oxidation[J].中国化学,2002,20(1):9-13. |
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| 作者姓名： | XU，Yi－Ming YU，Xiao－Han |
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| 作者单位： | DepartmentofChemistry，ZhejiangUniversity,Hangzhou,Zhejiang310027,China |
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| 基金项目： | ProjectsupportedbytheNationalNaturalScienceFoundationofChina (Nos .2 997790 19and 2 0 0 10 2 10 76 4)andZhejiangProvincialNaturalScienceFoundationofChina (No.2 990 33) |
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| 摘 要： | The nano-sized particles of TiO2 were prepared by thermal decomposition of titanium (IV) tetrabutanoxide complex with stearic acid at 450℃ in the air.It was observed that the amount of stearic acid,used initially for the complex synthesis in 2-propanol at 25℃,had great influence on the physical properties of the prepared TiO2 including crystal structure, the particle size,surface area and the adsorption capacity for organic substrate of a textile dye X3B in eater,and thereafter the photocatalytic activity for the dye oxidation.Some samples displayed lower adsorption capacity for the organic substrate in water than a TiO2 of Degussa p25,but higher photocatalytic activity for the organic oxidation.Possible reason for the observed difference was discussed in the text.
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| 关 键 词： | 合成 二氧化钛 钠米材料 钛络合物 钛配合物 硬脂酸 光催化活性 有机氧化 |
Synthesis of TiO_2 Nanoparticles via a Ti(IV) Complex with Stearic Acid and the Photocatalytic Activity for Organic Oxidation |
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| XU,Yi-Ming YU,Xiao-Han LIU,Hui-Jun.Synthesis of TiO_2 Nanoparticles via a Ti(IV) Complex with Stearic Acid and the Photocatalytic Activity for Organic Oxidation[J].Chinese Journal of Chemistry,2002,20(1):9-13. |
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| Authors: | XU Yi-Ming YU Xiao-Han LIU Hui-Jun |
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| Institution: | XU,Yi-Ming YU,Xiao-Han LIU,Hui-JunDepartment of Chemistry,Zhejiang University,Hangzhou,Zhejiang 310027,China |
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| Abstract: | The nano‐sized particles of TiO2 were prepared by thermal decomposition of titanium(IV) tetrabutanoxide complex with stearic acid at 450 °C in the air. It was observed that the amount of stearic acid, used initially for the complex synthesis in 2‐propano) at 25 °C, had great influence on the physical properties of the prepared TiO2 including crystal structure, the particle size, surface area and the adsorption capacity for organic substrate of a textile dye X3B in water, and thereafter the photocatalytic activity for the dye oxidation. Some samples displayed lower adsorption capacity for the organic substrate in water than a TiO2 of Degussa p25, but higher photocatalytic activity for the organic oxidation. Possible reason for the observed difference was discussed in the text. |
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| Keywords: | titanium dioxide stearic acid synthesis photocatalysis |
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