Ti3C2Tx/Bi2WO6复合材料的制备及其光催化性能

doi:10.11896/cldb.21010021

材料导报

2022, Vol. 36

Issue (17): 21010021-4 https://doi.org/10.11896/cldb.21010021

无机非金属及其复合材料

Ti₃C₂Tx/Bi₂WO₆复合材料的制备及其光催化性能

李兵¹, 黄有鹏², 吴福礼², 杨本宏^1,*

1 合肥学院能源材料与化工学院,合肥 230601
2 合肥学院生物食品与环境学院,合肥 230601

Preparation and Photocatalytic Performance of Ti₃C₂Tx/Bi₂WO₆ Composites

LI Bing¹, HUANG Youpeng², WU Fuli², YANG Benhong^1,*

1 School of Energy Materials and Chemical Engineering, Hefei University, Hefei 230601, China
2 School of Biology Food and Environmental Engineering, Hefei University, Hefei 230601,China

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摘要采用水热法制备Ti₃C₂Tx/Bi₂WO₆复合材料,利用扫描电镜(SEM)、X射线衍射(XRD)、高倍透射电镜(HR-TEM)、紫外可见漫反射(UV-Vis DRS)、荧光光谱(PL)等技术对其进行表征。结果表明,复合材料中Ti₃C₂Tx由原来的手风琴状结构分散成片状结构,且穿插在卷曲片状结构的Bi₂WO₆中。以酸性品红(AF)为模拟污染物,考察Ti₃C₂Tx/Bi₂WO₆对AF的光降解效果,当Ti₃C₂Tx的质量分数为7%时,Ti₃C₂Tx/Bi₂WO₆的光催化活性较好,光照60 min后,AF降解率达到90.37%。该光催化剂稳定性较好,重复使用四次,AF降解率仍达到80.91%。降解机理研究表明,h⁺和·O₂^-是降解AF的主要活性物质。

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	李兵
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关键词: Ti₃C₂Tx 钨酸铋复合材料光催化光降解

Abstract: The Ti₃C₂Tx/Bi₂WO₆ composites were prepared by hydrothermal method and were characterized by SEM, XRD, HR-TEM, UV-Vis DRS, PL and other techniques. The results show that Ti₃C₂Tx is dispersed into a sheet structure from the original accordion-like structure and inserted in Bi₂WO₆ with curly sheet structure. Acid fuchsin (AF) is used as a simulated pollutant to investigate the photodegradation effect of Ti₃C₂Tx/Bi₂WO₆. When the content of Ti₃C₂Tx is 7wt%, the photocatalytic activity of Ti₃C₂Tx/Bi₂WO₆ is better, and the AF degradation rate reaches 90.37% after 60 min of light irradiation. The stability of the Ti₃C₂Tx/Bi₂WO₆ is good as the AF degradation rate retains 80.91% after repeated use of the same photocatalyst for 4 times. The degradation mechanism shows that h⁺ and ·O₂^- are the main active substances for the degradation of AF.

Key words: Ti₃C₂Tx bismuth tungstate composite photocatalysis photodegradation

出版日期: 2022-09-10 发布日期: 2022-09-10

ZTFLH:	O643.36
	X703
	O644.1

基金资助: 安徽省科技攻关后续项目(0392118031)

通讯作者: ^*yangbh@hfuu.edu.cn

作者简介: 李兵,合肥学院硕士研究生在读,主要研究方向为光催化材料的制备及性能研究。
杨本宏,理学博士,合肥学院教授。1980—1984年,合肥联合大学,环境监测专业,理学学士;1987—1988年,赴美国进修;2000—2003年,安徽大学,高分子化学与物理专业,理学硕士;2004—2008年,安徽大学,无机化学专业,理学博士。现主要研究方向为无机-有机纳米复合材料、高分子材料和光催化等。主持和参加多个科研项目的研究工作,包括国家自然科学基金项目和省自然科学基金项目。在国内外期刊发表论文100余篇,其中SCI收录60余篇。

引用本文:

李兵, 黄有鹏, 吴福礼, 杨本宏. Ti₃C₂Tx/Bi₂WO₆复合材料的制备及其光催化性能[J]. 材料导报, 2022, 36(17): 21010021-4.
LI Bing, HUANG Youpeng, WU Fuli, YANG Benhong. Preparation and Photocatalytic Performance of Ti₃C₂Tx/Bi₂WO₆ Composites. Materials Reports, 2022, 36(17): 21010021-4.

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http://www.mater-rep.com/CN/10.11896/cldb.21010021 或 http://www.mater-rep.com/CN/Y2022/V36/I17/21010021

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