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材料导报  2024, Vol. 38 Issue (16): 23030150-6    https://doi.org/10.11896/cldb.23030150
  无机非金属及其复合材料 |
ZIF-8@TiO2复合材料的制备及光催化性能
涂盛辉1,2,*, 钟荣福1,2, 张超1, 刘桉如1, 吴文彬1, 杜军1,2
1 南昌大学化学化工学院,南昌 330031
2 鄱阳湖环境与资源利用教育部重点实验室,南昌 330031
Preparation and Photocatalytic Properties of ZIF-8@TiO2 Composite Photocatalysts
TU Shenghui1,2,*, ZHONG Rongfu1,2, ZHANG Chao1, LIU Anru1, WU Wenbin1, DU Jun1,2
1 School of Chemistry and Chemical Engineering, Nanchang University, Nanchang 330031, China
2 Key Laboratory of Poyang Lake Environment and Resource Utilization, Ministry of Education, Nanchang 330031, China
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摘要 本研究采用水热法制备了一种新型的高效光催化微米复合材料ZIF-8@TiO2,并比较了ZIF-8、TiO2纳米球和ZIF-8@TiO2光催化降解罗丹明B的能力。通过扫描电子显微镜(SEM)、X射线衍射(XRD)仪、X射线光电子能谱(XPS)仪、紫外-可见漫反射光谱(DRS)仪、傅里叶变换红外光谱(FTIR)仪和比表面积测量(BET)仪对合成的材料进行了表征。结果表明,TiO2纳米球在ZIF-8表面均匀生长,ZIF-8和TiO2通过化学键连接在一起。ZIF-8和TiO2的协同作用大大增强了复合光催化剂的催化能力。其中ZIF-8@TiO2复合材料的ZIF-8为电荷分离器中光生电子转移提供了一种新的方式,以降低电荷复合率。由于该混合物结合了ZIF-8和TiO2的优点,ZIF-8@TiO2显示出优异的光催化降解罗丹明B的能力。同时讨论了复合光催化剂可能的光催化机理。
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涂盛辉
钟荣福
张超
刘桉如
吴文彬
杜军
关键词:  水热法  ZIF-8@TiO2  光催化  罗丹明B    
Abstract: In this work, a novel and efficient photocatalytic micron composite ZIF-8@TiO2 was prepared by hydrothermal method. We compared the ability of ZIF-8, TiO2 nanospheres and ZIF-8@TiO2 to photocatalytically degrade rhodamine B (RhB). The composite catalyst were investigated by scanning electron microscopy(SEM), X-ray diffraction(XRD), X-ray photoelectron spectroscopy(XPS), UV-vis diffuse reflectance spectroscopy(DRS), specific copy Fourier transform infrared spectrometer(FTIR), and surface area measuring instrument(BET). The results of the characterization show that the TiO2 nanospheres grow uniformly on the surface of ZIF-8, and ZIF-8 as well as TiO2 are connected together by chemical bonds. The synergistic effect of ZIF-8 and TiO2 greatly enhances the catalytic ability of the composite photocatalyst. Among them, ZIF-8 in the ZIF-8@TiO2 composite provides a new way for photogenerated electron transfer in charge separators to reduce the charge recombination rate. Since the hybrid combines the advantages of ZIF-8 and TiO2, ZIF-8@TiO2 shows excellent photocatalytic degradation of rhodamine B. Finally, the possible photocatalytic mechanism of the hybrid photocatalyst was also discussed.
Key words:  hydrothermal method    ZIF-8@TiO2    photocatalysis    rhodamine B
出版日期:  2024-08-25      发布日期:  2024-09-10
ZTFLH:  O643  
基金资助: 国家自然科学基金(31660482;51162022)
通讯作者:  *涂盛辉,南昌大学教授、硕士研究生导师。1987年华东化工学院化学物理专业本科毕业,2008年南昌大学工业催化专业硕士研究生毕业,2014年南昌大学环境工程学院博士研究生毕业。其团队主要研究方向包括:催化氧化技术与纳米功能材料的化学、物理及性能研究,化工新材料技术、废水处理及综合利用技术、固废处理及循环利用技术、天然产物分离提取技术、节能减排技术。主持完成省部级科技项目2 项,参加完成国家级科研项目3项,主持完成企业技术服务类项目88项,在EI和CSCD 期刊上发表学术论文36篇。tshnc@163.com   
引用本文:    
涂盛辉, 钟荣福, 张超, 刘桉如, 吴文彬, 杜军. ZIF-8@TiO2复合材料的制备及光催化性能[J]. 材料导报, 2024, 38(16): 23030150-6.
TU Shenghui, ZHONG Rongfu, ZHANG Chao, LIU Anru, WU Wenbin, DU Jun. Preparation and Photocatalytic Properties of ZIF-8@TiO2 Composite Photocatalysts. Materials Reports, 2024, 38(16): 23030150-6.
链接本文:  
http://www.mater-rep.com/CN/10.11896/cldb.23030150  或          http://www.mater-rep.com/CN/Y2024/V38/I16/23030150
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