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材料工程  2015, Vol. 43 Issue (12): 58-62    DOI: 10.11868/j.issn.1001-4381.2015.12.010
  材料与工艺 本期目录 | 过刊浏览 | 高级检索 |
钛酸钠纳米线制备TiO2纳米线的反应条件
赵斯琴, 娜米拉, 长山
内蒙古师范大学 化学与环境科学学院, 呼和浩特 010022
Reaction Conditions for Synthesis of TiO2 Nanowires from Sodium Titanate Nanowires
ZHAO Si-qin, Namila, Asuha
College of Chemistry and Environmental Science, Inner Mongolia Normal University, Huhhot 010022, China
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摘要 结合离子交换-高温烧结法,由钛酸钠纳米线制备了TiO2纳米线。通过XRD、Uv-vis漫反射和SEM等测试手段,探讨离子交换时间和高温烧结温度对制备TiO2纳米线的影响,并以甲基橙为目标污染物测试其光催化性能。结果表明:离子交换时间越长越有利于钛酸纳米线的形成,离子交换48h时钛酸钠纳米线基本转换成为钛酸纳米线;过低的烧结温度不利于TiO2纳米线的形成,烧结温度650℃时钛酸纳米线基本分解成为TiO2纳米线;钛酸钠纳米线几乎没有光催化性能,而TiO2纳米线具有很强的光催化性能。
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赵斯琴
娜米拉
长山
关键词 钛酸钠纳米线TiO2纳米线光催化性能    
Abstract:TiO2 nanowires were synthesized by the ion-exchange and high temperature sintering of sodium titanate nanowires. The effect of ion exchange time and sintering temperature on the formation of TiO2 nanowires by using X-ray diffraction analysis, Uv-visible diffuse reflectance spectroscopy technique, and scanning electron microscopy were studied. The photocatalytic activity of TiO2 nanowires was tested using methyl orange as a target pollutant. The results show that a longer ion exchange time is ideal for the formation of titanic acid nanowires, and the sodium titanate nanowires are completely transformed into titanic acid nanowires when the ion exchange time is 48h. A lower sintering temperature is not beneficial to the formation of TiO2 nanowires, and it is found that the titanic acid nanowires could be converted into TiO2 nanowires at 650℃. Sodium titanate nanowires has almost no photocatalytic activity, while TiO2 nanowires exhibit a much higher photocatalytic activity.
Key wordssodium titanate nanowire    TiO2 nanowire    photocatalytic activity
收稿日期: 2014-03-21      出版日期: 2015-12-23
中图分类号:  O643  
通讯作者: 赵斯琴(1973-),女,博士,教授,研究方向:无机材料的制备及其性能研究,联系地址:内蒙古呼和浩特市内蒙古师范大学化学与环境科学学院(010022)     E-mail: zhaosq@imnu.edu.cn
引用本文:   
赵斯琴, 娜米拉, 长山. 钛酸钠纳米线制备TiO2纳米线的反应条件[J]. 材料工程, 2015, 43(12): 58-62.
ZHAO Si-qin, Namila, Asuha. Reaction Conditions for Synthesis of TiO2 Nanowires from Sodium Titanate Nanowires. Journal of Materials Engineering, 2015, 43(12): 58-62.
链接本文:  
http://jme.biam.ac.cn/CN/10.11868/j.issn.1001-4381.2015.12.010      或      http://jme.biam.ac.cn/CN/Y2015/V43/I12/58
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