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[1]郭 宁,刘佳俊,向 宇,等.Ti/Si复合光催化剂的绿色制备及其光催化染料降解性能[J].武汉工程大学学报,2020,42(02):172-176.[doi:10.19843/j.cnki.CN42-1779/TQ.201911028]
 GUO Ning,LIU Jiajun,XIANG Yu,et al.Green Synthesis of Ti/Si Composites Photocatalysts and Their Photocatalytic Performances in Dye Degradation[J].Journal of Wuhan Institute of Technology,2020,42(02):172-176.[doi:10.19843/j.cnki.CN42-1779/TQ.201911028]
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Ti/Si复合光催化剂的绿色制备及其光催化染料降解性能(/HTML)
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
42
期数:
2020年02期
页码:
172-176
栏目:
材料科学与工程
出版日期:
2021-01-26

文章信息/Info

Title:
Green Synthesis of Ti/Si Composites Photocatalysts and Their Photocatalytic Performances in Dye Degradation
文章编号:
1674 - 2869(2020)02 - 0172 - 05
作者:
郭 宁12刘佳俊2向 宇1朱 峰2黎俊波1*余响林2
1. 武汉工程大学化学与环境工程学院,湖北 武汉 430205;2. 武汉工程大学化工与制药学院,湖北 武汉 430205
Author(s):
GUO Ning12LIU Jiajun2XIANG Yu1ZHU Feng2LI Junbo1*YU Xianglin2
1. School of Chemistry and Environmental Engineering,Wuhan Institute of Technology,Wuhan 430205,China;2. School of Chemical Engineering and Pharmacy,Wuhan Institute of Technology,Wuhan 430205,China
关键词:
Ti/Si复合材料绿色合成光催化降解亚甲基蓝染料
Keywords:
Ti/Si composite green synthesis photocatalytic degradation methylene blue dye
分类号:
O611.3
DOI:
10.19843/j.cnki.CN42-1779/TQ.201911028
文献标志码:
A
摘要:
以钛酸四丁酯(TBOT)为钛源,硅酸四乙酯(TEOS)为硅源,以非离子表面活性剂聚环氧乙烷-聚环氧丙烷-聚环氧乙烷三嵌段共聚物(P123)做模板剂,绿色无毒的表面活性剂司盘80(Span80)为扩孔剂,通过调节扩孔剂Span80与表面活性剂P123的配比以及TBOT与TEOS的配比利用水热法一步合成一系列Ti/Si复合材料。经过傅里叶变换红外光谱、扫描电子显微镜、BET比表面积测试、X射线衍射等手段对合成的Ti/Si复合材料进行表征,确定最佳比例的Ti/Si复合材料的制备方法。实验结果表明,在Span80质量为0.4 g,SiO2和TiO2摩尔比为8∶2时,所制得的Ti/Si复合材料Ti/Si-2具有最大比表面积,为470.76 m2/g,孔隙分布均匀。室温下,紫外光光照条件下2 h内对水中亚甲基蓝染料的降解效率可以达到99.3%,性能比商品化P25型纳米TiO2光催化剂更优良。
Abstract:
A series of Ti/Si composite photocatalysts were synthesized by one step hydrothermal method,with tetrabutyl titanate (TBOT) as the titanium source,tetraethyl orthosilicate (TEOS) as the silicon source, nonionic surfactant polyethylene oxide-polypropylene oxide-polyethylene oxide triblock copolymer (P123) as a template and green non-toxic surfactant Span80 as a pore-enlarging agent. The ratios of Span80/P123 and TBOT/TEOS were also adjusted. The synthesized Ti/Si composites were characterized by Fourier transform infrared spectroscopy,scanning electron microscopy,BET specific surface area and X-ray diffraction,respectively. The results show that the prepared titanium-silicon composite (Ti/Si-2) has the maximum specific surface area of 470.76 m2/g and uniform pore distribution when the mass of Span80 is 0.4 g and the mole ratio of SiO2 to TiO2 is 8∶2. The degradation efficiency of methylene blue dye with Ti/Si-2 as catalyst in water can reach 99.3% within 2 h under ultraviolet light,indicating the better performance compared with commercial P25 nano-TiO2 photocatalyst.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2019-11-26作者简介:郭 宁,硕士研究生。E-mail:18848975997@163.com*通讯作者:黎俊波,博士,教授。E-mail: jbliwit@163.com引文格式:郭宁,刘家俊,向宇,等. Ti/Si复合光催化剂的绿色制备及其光催化染料降解性能[J]. 武汉工程大学学报,2020,42(2):172-176.
更新日期/Last Update: 2020-06-19