目录摘要:............................................................................................................1Abstract...........................................................................................................21前言...............................................................................................................31.1纳米材料光催化概述………………………………………………………..31.1.1纳米材料的基本性质.............................................................................31.1.2光催化材料的简介及应用.....................................................................41.2TiO2的相关介绍……………………………………………………………..61.2.1TiO2的结构.............................................................................................61.2.2TiO2的光催化机理.................................................................................71.2.3TiO2光催化剂存在的问题.....................................................................71.3N掺杂TiO2纳米管的制备..............................................................................91.3.1氮掺杂TiO2纳米管的制备方法……………………………………...91.4N掺杂TiO2纳米管光催化性能研究.............................................................101.4.1N掺杂TiO2纳米管光催化机理.............................................................101.4.2N掺杂TiO2纳米管的物性特征.............................................................112实验部分.............................................................................................................122.1实验试剂与仪器...............................................................................................122.2样品的制备........................................................................................................132.2.1N-TiO2纳米晶粒的制备........................................................................1342.2.2N-TiO2纳米管的制备.............................................................................142.3样品的测试.......................................................................................................142.3.1样品TEM表征........................................................................................142.3.2样品XRD测试........................................................................................152.3.3样品的光催化活性测试.....................................................................…..153实验结果与分析....................................................................................................153.1TEM图与分析....................................................................................................163.2XRD测试结果与分析........................................................................................17参考文献:.........................................................................................................................18·摘要二氧化钛在紫外光照射下具有优异的光催化性能,在废水处理、抗菌消毒、空气净化等方面都有着广泛应用。但实现可见光翠花一直是研究的难点,而氮掺杂二氧化钛可实现可见光催化。本试验主要研究的是N掺杂二氧化钛纳米管的制备及其光催化性能的研究。以溶胶-凝胶法制备了氮掺杂的锐钛矿相的二氧化钛纳米粒子,采用水热法制备氮掺杂二氧化钛纳米管,然后利用X射线衍射样品,光催化降解亚甲基蓝的实验研究不同PH值对N掺杂二氧化钛的光催化性能的影响。关键词:TiO2...