高能球磨和溶胶凝胶制备碳纳米管掺杂TiO<sub>2</sub>复合粉体及其性能

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高能球磨和溶胶凝胶制备碳纳米管掺杂TiO₂复合粉体及其性能

基金项目:

国家自然科学基金（51072188）资助项目。

Materials Science and Engineering Research Institute, Ocean University of China, Qingdao 266100, China

摘要: 采用高能球磨法和溶胶-凝胶方法制备了碳纳米管掺杂的TiO₂纳米复合粉体,通过扫描电子显微镜、X射线衍射、紫外分光光度计等方法对比分析了复合粉体的形貌、微观结构以及光催化活性。实验结果表明,5%碳纳米管掺杂的TiO₂复合粉体的光催化活性得到了有效提高,其中高能球磨法制备的复合粉体颗粒细小、分布均匀,具有更好的光催化活性和实际应用意义。
- 高能球磨 /
- 碳纳米管 /
- 二氧化钛 /
- 复合 /
- 光催化
Abstract: Carbon nanotubes(CNT)/TiO₂ nanocomposite powder has been prepared by high energy ball milling and sol-gel methods.The morphology,microstructure and photocatalytic activity of the products were characterized by scanning electron microscopy,X-ray diffraction,and UV-vis spectroscopy.The results show that the photocatalytic activity of this composite synthesised by 5% carbon nanotubes and TiO₂ powders powder is improved effectively.The composite powder prepared by high energy ball milling method is smaller in size and more uniform in distribution with better photocatalytic activity and is more practical than that prepared by sol-gel.
- High energy ball milling /
- Carbon nanotubes /
- Titanium dioxide /
- Composite /
- Photocatalytic.