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[1]邹明鑫,程清蓉,潘志权*.核壳CdS@ZIF-9异质结的合成、光催化性能及机理研究[J].武汉工程大学学报,2023,45(06):606-612.[doi:10.19843/j.cnki.CN42-1779/TQ.202304007]
 ZOU Mingxin,CHENG Qingrong,PAN Zhiquan*.Synthesis, Photocatalytic Properties and Mechanism of CdS@ZIF-9Heterojunction with Core-Shell Structure[J].Journal of Wuhan Institute of Technology,2023,45(06):606-612.[doi:10.19843/j.cnki.CN42-1779/TQ.202304007]
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核壳CdS@ZIF-9异质结的合成、光催化性能及机理研究(/HTML)
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
45
期数:
2023年06期
页码:
606-612
栏目:
化学与化学工程
出版日期:
2023-12-28

文章信息/Info

Title:
Synthesis, Photocatalytic Properties and Mechanism of CdS@ZIF-9
Heterojunction with Core-Shell Structure
文章编号:
1674 - 2869(2023)06 - 0606 - 07
作者:
邹明鑫程清蓉潘志权*
武汉工程大学化学与环境工程学院,湖北 武汉 430205
Author(s):
ZOU Mingxin CHENG Qingrong PAN Zhiquan*
School of Chemistry and Environmental Engineering, Wuhan Institute of Technology, Wuhan 430205, China

关键词:
CdS@ZIF-9异质结合成光催化罗丹明B
Keywords:
CdS@ZIF-9 heterojunction synthesis photocatalysis rhodamine B
分类号:
O614.81
DOI:
10.19843/j.cnki.CN42-1779/TQ.202304007
文献标志码:
A
摘要:
采用简单的超声法合成了具有核壳结构的CdS@ZIF-9异质结催化剂,该催化剂的结构通过扫描电子显微镜、透射电子显微镜、X射线粉末衍射、X射线光电子能谱等进行了表征。结果表明:在可见光下60 min内CdS@ZIF-9对罗丹明B的降解率达97%,经5次循环后,该催化剂仍具有很高的光催化活性。光电性质研究表明异质结的光生载流子得到了很好的分离。异质结的光催化性质得到很大的提升主要归因于匹配的能带结构提高了光生载流子的分离效率。基于CdS@ZIF-9异质结的能带结构和电子自旋共振捕获技术,提出了CdS@ZIF-9的结构为Ⅱ型异质结光催化剂。

Abstract:
A CdS@ZIF-9 heterojunction catalyst with a core-shell structure was synthesized by a simple sonication method, and the structure was characterized by scanning electron microscopy, transmission electron microscopy, X-ray powder diffraction, X-ray photoelectron spectroscopy, etc. The results show that the degradating rate of rhodamine B by CdS@ZIF-9 can reach 97% under visible light within 60 min. The catalyst still has high photocatalytic activity after five cycles. Photoelectric property studies show that photo-induced carriers of the heterojunctions are well separated. The enhanced photocatalytic properties of the heterojunction are mainly attributed to the matching band structure improving the separation efficiency of photogenerated carriers. Based on the band structure of the CdS@ZIF-9 heterojunction and electron spin resonance capture technique, the structure of CdS@ZIF-9 is proposed as a Ⅱ -type heterojunction photocatalyst.

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备注/Memo

备注/Memo:
收稿日期:2023-04-04
基金项目:武汉工程大学第十四届研究生教育创新基金(CX2022427)
作者简介:邹明鑫,硕士研究生。E-mail:921282579@qq.com
*通讯作者:潘志权,教授,博士。 E-mail:zhiqpan@163.com
引文格式:邹明鑫,程清蓉,潘志权. 核壳CdS@ZIF-9异质结的合成、光催化性能及机理研究[J]. 武汉工程大学学报,2023,45(6):606-612.
更新日期/Last Update: 2023-12-25