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[1]郭丽瑞,张富青*,袁 军*.双金属UiO-66的制备及其用于可见光对罗丹明B的催化降解[J].武汉工程大学学报,2025,47(03):274-281.[doi:10.19843/j.cnki.CN42-1779/TQ.202408013]
　GUO Lirui,ZHANG Fuqing*,YUAN Jun*.Synthesis of bimetallic UiO-66 and its application in photocatalytic degradation of rhodamine B under visible light[J].Journal of Wuhan Institute of Technology,2025,47(03):274-281.[doi:10.19843/j.cnki.CN42-1779/TQ.202408013]
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双金属UiO-66的制备及其用于可见光对罗丹明B的催化降解
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
47
期数:
2025年03期
页码:
274-281
栏目:
现代大化工
出版日期:
2025-06-30

文章信息/Info

Title:
Synthesis of bimetallic UiO-66 and its application in photocatalytic degradation of rhodamine B under visible light
文章编号:
1674 - 2869（2025）03 - 0274- 08
作者:
武汉工程大学化学与环境工程学院，湖北 武汉 430205
Author(s):
School of Chemistry and Environmental Engineering, Wuhan Institute of Technology, Wuhan 430205, China
关键词:
Keywords:
分类号:
O644.1
DOI:
10.19843/j.cnki.CN42-1779/TQ.202408013
文献标志码:
A
摘要:
采用溶剂热法成功合成了Zr-UiO-66，通过引入Ce元素制备了以Ce、Zr为双金属中心的可见光催化剂CZ-UiO-66。通过X射线衍射（XRD）、扫描电子显微镜（SEM）和透射电子显微镜（TEM）等表征手段系统分析了材料的形貌特征与晶体结构。采用紫外-可见光谱（UV-Vis）、电化学阻抗谱（EIS）、光致发光光谱（PL）和瞬态光电流（I-t）等测试方法深入研究了材料的光电化学性质。实验结果表明：CZ-UiO-66样品呈现粒径分布均匀（70~130 nm）的八面体形貌，Ce元素的引入未改变材料的结构特征。引入Ce元素后材料的光响应范围扩展了110 nm，在可见光照射下对罗丹明B（RhB）的催化降解效率提升了12%。
Abstract:
Zr-UiO-66 was successfully synthesized by the solvothermal method，and was subsequently modified by cerium incorporation to develop CZ-UiO-66, a visible-light-active photocatalyst with Ce/Zr bimetallic centers. Its morphological characteristics and crystal structure were systematically analyzed using X-ray diffraction (XRD), scanning electron microscopy (SEM) and transmission electron microscopy (TEM). And its photoelectrochemical properties were thoroughly investigated using ultraviolet-visible spectroscopy (UV-Vis), electrochemical impedance spectroscopy(EIS), photoluminescence (PL) spectroscopy, and transient photocurrent (I-t) measurements. Experimental results demonstrated that CZ-UiO-66 retains a well-defined octahedral morphology with a uniform particle size distribution (70-130 nm), confirming structural preservation upon Ce doping. Remarkably, the Ce-modified material exhibits a 110 nm extension in light absorption edge and achieves a 12% enhancement in catalytic degradation efficiency for Rhodamine B (RhB) under visible-light irradiation compared with pristine Zr-UiO-66.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期：2024-08-12
基金项目：武汉工程大学绿色化工过程教育部重点实验室开放/创新基金（GCX2022004）
作者简介：郭丽瑞，硕士研究生。Email：1987106636@qq.com
*通信作者：张富青，博士，副教授。Email：zhangfq@wit.edu.cn
袁 军，硕士，教授。Email：380332630@qq.com
引文格式:郭丽瑞，张富青，袁军. 双金属UiO-66的制备及其用于可见光对罗丹明B的催化降解［J］. 武汉工程大学学报，2025，47（3）：274-281.
更新日期/Last Update: 2025-07-08