复合纳米TiO2透明光触媒乳液的制备及性能

doi:10.3969/j.issn.1000-1565.2017.05.004

河北大学学报(自然科学版) ›› 2017, Vol. 37 ›› Issue (5): 464-470.DOI: 10.3969/j.issn.1000-1565.2017.05.004

复合纳米TiO₂透明光触媒乳液的制备及性能

李晓苇¹,赵开封¹,胡晓雪²,卢琪¹,眭慧东¹,李建伟¹,刘爽²

收稿日期:2017-07-01 出版日期:2017-09-25 发布日期:2017-09-25
通讯作者: 刘爽(1981—),女,河北保定人,河北大学副教授,主要从事新型纳米材料及光电器件研究.E-mail:liushuanghbu@163.com
作者简介:李晓苇(1955—),男,河北保定人,河北大学教授,主要从事新型纳米材料及光电器件研究. E-mail:laser@hbu.edu.cn
基金资助:
国家自然科学基金资助项目(21201053;51607054;51772073);河北省自然科学基金资助项目(F2014201078;A2015201050);河北省高等学校科学技术研究项目(ZD2016055);河北省杰出青年基金(A2017201082);河北省第二批青年拔尖人才计划项目(702800116025);河北省大学生创新创业训练计划项目(2016105;2016127;2016170;2016177);河北大学研究生创新资助项目(X201730);河北大学实验室开放项目(sy201639);河北大学杰出青年基金资助项目(2015JQ02);2017年国家级大学生创新创业训练计划创新训练项目

On preparation and properties of composite nano-TiO₂ transparent photocatalyst emulsion

LI Xiaowei¹,ZHAO Kaifeng¹,HU Xiaoxue²,LU Qi¹,SUI Huidong¹,LI Jianwei¹, LIU Shuang²

1.Hebei Key Laboratory of Optic-electronic Information Materials, College of Physics Science and Technology, Hebei University, Baoding 071002, China; 2.College of Quality and Technology Supervision, Hebei University, Baoding 071002, China

Received:2017-07-01 Online:2017-09-25 Published:2017-09-25

摘要/Abstract

摘要： 采用草酸、四氯化钛、氨水、氟化铵、硼酸等药品为主要实验原料,通过常温络合-控制水解新实验方法,制备出硼氟共掺杂的纳米TiO₂透明乳液.将样品置于小型太阳光模拟器的模拟太阳光下照射,进行对酸性红3R染料的降解实验,分别对染料初始浓度、样品掺杂浓度、掺杂纳米TiO₂体系pH值、加热回流时间等变量对降解效果的影响进行相关讨论.实验结果表明,硼/氟掺杂浓度达到0.003 mol/L, pH值为6,回流时间为15 min时,制备的纳米TiO₂ 样品的光催化性能最佳.在模拟太阳光照射1 h后,质量浓度50 mg/L的酸性红3R染料溶液降解率可达98%以上.

关键词: 硼氟共掺杂, 纳米TiO₂乳液, 水解法, 光催化

Abstract: Boron/fluoride co-doped nano TiO₂ colorless and transparent hydrosol was synthesized by a novel complexation-controlled hydrolysis method at room temperature by using TiCl₄, oxalic acid, NH₃·H₂O, ammonium fluoride, and boric acid etc as raw materials. The sample with the acid red 3R was studied by the photocatalytic degradation under simulated sunlight irradiation. To study the effects of reflux time, pH and-concentration and reaction conditions of the synthesis process and properties of the materials, the optimum preparation conditions were found out. The results show that when the doping amount is 0.003 mol/L, the pH value is 6, the reflux time is 15 min, the photocatalytic activity of doped nanometer TiO₂ is the highest. The degradation rate of acid red 3R dye solution with the concentration of 50 mg/L was more than 98% after the sun exposure.

Key words: BF co-doped, nano TiO₂ emulsion, hydrolysis method, photocatalysis

中图分类号:

TQ613.5

李晓苇,赵开封,胡晓雪,卢琪,眭慧东,李建伟,刘爽. 复合纳米TiO₂透明光触媒乳液的制备及性能[J]. 河北大学学报(自然科学版), 2017, 37(5): 464-470.

LI Xiaowei,ZHAO Kaifeng,HU Xiaoxue,LU Qi,SUI Huidong,LI Jianwei, LIU Shuang. On preparation and properties of composite nano-TiO₂ transparent photocatalyst emulsion[J]. Journal of Hebei University (Natural Science Edition), 2017, 37(5): 464-470.

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复合纳米TiO₂透明光触媒乳液的制备及性能

On preparation and properties of composite nano-TiO₂ transparent photocatalyst emulsion

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