| 可移动金核的二氧化钛空心球合成及光催化性质 |
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| 引用本文： | 闵宇霖,万 勇,刘 蓉,俞书宏. 可移动金核的二氧化钛空心球合成及光催化性质[J]. 无机化学学报, 2008, 24(7): 1172-1176 |
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| 作者姓名： | 闵宇霖 万 勇 刘 蓉 俞书宏 |
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| 作者单位： | 1. 合肥微尺度科学国家实验室纳米材料与纳米化学部,合肥,230036;中国科学技术大学化学与材料科学学院,合肥,230036;安庆师范学院化学化工学院,安庆,246001
2. 合肥微尺度科学国家实验室纳米材料与纳米化学部,合肥,230036;中国科学技术大学化学与材料科学学院,合肥,230036 |
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| 基金项目： | 国家自然科学基金 , 中国科学院引进国外杰出人才基金 , 教育部长江学者和创新团队发展计划 , 高等学校博士学科点专项科研项目 , 安徽省人才基金 , 安徽教育厅重大项目 |
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| 摘 要： |
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| 关 键 词： | 核壳结构； 二氧化钛； 光催化； 空心球 |
Hollow Spheres with Moveable Au Nanoparticles in Core and Titanium Oxide Shell: Synthesis and Photocatalytic Activity |
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| MIN Yu-Lin,WAN Yong,LIU Rong and YU Shu-Hong. Hollow Spheres with Moveable Au Nanoparticles in Core and Titanium Oxide Shell: Synthesis and Photocatalytic Activity[J]. Chinese Journal of Inorganic Chemistry, 2008, 24(7): 1172-1176 |
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| Authors: | MIN Yu-Lin WAN Yong LIU Rong YU Shu-Hong |
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| Affiliation: | Division of Nanomaterials & Chemistry, Hefei National Laboratory for Physical Sciences at Microscale, Hefei 230036; School of Chemistry & Materials, Department of Chemistry, University of Science and Technology of China, Hefei 230026; School of Chemistry,Division of Nanomaterials & Chemistry, Hefei National Laboratory for Physical Sciences at Microscale, Hefei 230036; School of Chemistry & Materials, Department of Chemistry, University of Science and Technology of China, Hefei 230026,Division of Nanomaterials & Chemistry, Hefei National Laboratory for Physical Sciences at Microscale, Hefei 230036; School of Chemistry & Materials, Department of Chemistry, University of Science and Technology of China, Hefei 230026 and Division of Nanomaterials & Chemistry, Hefei National Laboratory for Physical Sciences at Microscale, Hefei 230036; School of Chemistry & Materials, Department of Chemistry, University of Science and Technology of China, Hefei 230026 |
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| Abstract: | Uniform hollow Au@TiO2 core shell spheres with moveable Au nanoparticles were synthesized based on templating against Au@carbon spheres. The diameter of the shell of the Au@TiO2 spheres could be controlled by adjusting the Ti(OC4H9)4 hydrolyzing reaction time or the ratio of Ti(OC4H9)4 to Au@carbon spheres, and the shell thickness of the core-shell spheres can be varied from 25 nm to 40 nm. As prepared hollow Au@TiO2 core-shell spheres display enhanced photocatalytic activity in the initial stage of photocatalytic degradation of methylene blue compared with pure hollow TiO2 spheres and the commercial photocatalyst TiO2(P-25). |
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| Keywords: | core-shell titanium oxide photocatalytic activity hollow sphere |
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