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材料工程  2016, Vol. 44 Issue (6): 104-109    DOI: 10.11868/j.issn.1001-4381.2016.06.016
  测试与表征 本期目录 | 过刊浏览 | 高级检索 |
N掺杂纳米TiO2/电气石复合材料的制备及其光催化性能
刘欣伟, 陈勇, 陈昌兵, 张文通
后勤工程学院 国防建筑规划与环境工程系, 重庆 401311
Preparation and Photocatalytic Activity of Nitrogen-doped Nano TiO2/Tourmaline Composites
LIU Xin-wei, CHEN Yong, CHEN Chang-bing, ZHANG Wen-tong
Department of National Defence Architectural Planning & Environmental Engineering, Logistic Engineering University, Chongqing 401311, China
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摘要 以钛酸丁酯为前驱体,尿素为N源,电气石为载体,采用超声辅助溶胶-凝胶法制备N掺杂纳米TiO2/电气石复合材料。采用XRD,FT-IR,UV-Vis DRS,SEM,EDS等测试技术对复合材料的结构和性能进行表征。分别考察煅烧温度、掺N量、电气石添加量、催化体系等因素对复合材料光催化性能的影响。结果表明:在煅烧温度为500℃,N掺杂量为5%(摩尔分数),电气石添加量为10%(质量分数),催化剂用量为3g/L,500W紫外灯照射条件下,N掺杂纳米TiO2/电气石复合材料光催化降解TNT(10mg/L)的效果最佳,且具有良好的再生利用性能。
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刘欣伟
陈勇
陈昌兵
张文通
关键词 N掺杂TiO2电气石复合材料光催化TNT    
Abstract:Using Ti(OC4H9)4 as precursor, CO(NH2)2 as nitrogen source, tourmaline as support, the nitrogen-doped nano TiO2/tourmaline composites were synthesized by sol-gel method with ultrasound assisted.The structure and performance of composites were characterized by XRD, FT-IR, UV-Vis DRS, SEM, EDS.The effects of calcining temperature, nitrogen-doped content, tourmaline amount, catalyst system on the photocatalytic activity of nitrogen-doped nano TiO2/tourmaline composites were studied.The results show that the photocatalytic activity of nitrogen-doped nano TiO2/tourmaline composites calcined under 500℃, the nitrogen doped amount of 5% (mole fraction), tourmaline added in an amount of 10% (mass fraction), catalyst dosage of 3g/L, under 500W UV light irradiation conditions, the photocatalytic degradation effect of TNT(10mg/L) is the best, and has a good recycling performance.
Key wordsnitrogen-doped    TiO2    tourmaline    composite    photocatalytic    TNT
收稿日期: 2015-10-15      出版日期: 2016-06-13
中图分类号:  X506  
通讯作者: 陈勇(1965-),男,教授,博士,现从事环境功能材料方向的研究,联系地址:重庆市沙坪坝区大学城后勤工程学院国防建筑规划与环境工程系(401311),E-mail:cydoc@sohu.com     E-mail: cydoc@sohu.com
引用本文:   
刘欣伟, 陈勇, 陈昌兵, 张文通. N掺杂纳米TiO2/电气石复合材料的制备及其光催化性能[J]. 材料工程, 2016, 44(6): 104-109.
LIU Xin-wei, CHEN Yong, CHEN Chang-bing, ZHANG Wen-tong. Preparation and Photocatalytic Activity of Nitrogen-doped Nano TiO2/Tourmaline Composites. Journal of Materials Engineering, 2016, 44(6): 104-109.
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http://jme.biam.ac.cn/CN/10.11868/j.issn.1001-4381.2016.06.016      或      http://jme.biam.ac.cn/CN/Y2016/V44/I6/104
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