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[1]王雪燕,袁嘉泽,何禄英*.C空位协同g-C3N4/BiOCl异质结对亚甲基蓝光催化降解性能的研究[J].武汉工程大学学报,2024,46(05):490-496.[doi:10.19843/j.cnki.CN42-1779/TQ.202311012]
　WANG Xueyan,YUAN Jiaze,HE Luying*.Photocatalytic degradation of methylene blue by C-vacancy andg-C3N4/BiOCl heterojunction [J].Journal of Wuhan Institute of Technology,2024,46(05):490-496.[doi:10.19843/j.cnki.CN42-1779/TQ.202311012]
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C空位协同g-C3N4/BiOCl异质结对亚甲基蓝光催化降解性能的研究(/HTML)
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
46
期数:
2024年05期
页码:
490-496
栏目:
化学与化学工程
出版日期:
2024-10-28

文章信息/Info

Title:
Photocatalytic degradation of methylene blue by C-vacancy and
g-C3N4/BiOCl heterojunction
文章编号:
1674 - 2869（2024）05 - 0490 - 07
作者:
王雪燕; 袁嘉泽; 何禄英*
武汉工程大学化工与制药学院，绿色化工过程教育部重点实验室（武汉工程大学），
湖北 武汉 430205
Author(s):
WANG Xueyan;  YUAN Jiaze;  HE Luying*
School of Chemical Engineering and Pharmacy，Wuhan Institute of Technology；Key Laboratory of Green Chemical Process of Ministry of Education（Wuhan Institute of Technology），Wuhan 430205，China
关键词:
g-C3N4; BiOCl; 碳空位; 异质结; 光催化降解
Keywords:
g-C3N4;  BiOCl;  carbon vacancy;  heterojunction;  photocatalytic degradation
分类号:
O611.3
DOI:
10.19843/j.cnki.CN42-1779/TQ.202311012
文献标志码:
A
摘要:
采用水热法合成了含C空位的g-C3N4，并将不同含量的BiOCl负载其上制备得到g-C3N4/BiOCl复合光催化剂。采用电子顺磁共振、X射线光电子能谱、扫描电子显微镜、透射电子显微镜和紫外-可见漫反射光谱等手段对光催化剂的结构、形貌以及光吸收性能进行表征。以亚甲基蓝为目标降解物，探究了C空位和BiOCl对g-C3N4光降解性能的影响以及复合光催化剂催化降解机理。结果表明：与BiOCl和g-C3N4相比，制得的复合光催化剂不仅可以调控电子结构，还能有效分离光生电子和空穴，两者协同作用增强了光催化降解亚甲基蓝的效率。当负载质量分数70%BiOCl时，g-C3N4/BiOCl光催化降解效率在光反应90 min时达到了88.6%，其光催化性能显著优于纯相g-C3N4与BiOCl。
Abstract:
C-vacancy-containing g-C3N4 was synthesized using a hydrothermal method， and composite photocatalysts of g-C3N4/BiOCl with different BiOCl loadings were prepared. The structure， morphology， and light absorption properties of the photocatalysts were characterized using electron paramagnetic resonance， X-ray photoelectron spectroscopy， scanning electron microscopy， transmission electron microscopy， and ultraviolet-visible diffuse reflectance spectroscopy. Methylene blue was used as the degradation target to investigate the impact of carbon vacancies and BiOCl on the photocatalytic degradation performance of g-C3N4， along with the degradation mechanism of the composite photocatalyst. Results show that the synthesized composite photocatalyst， compared to BiOCl and g-C3N4 alone， can regulate the electronic structure and effectively separate photogenerated electrons and holes. This synergistic effect enhances the efficiency of photocatalytic degradation of methylene blue. With 70% BiOCl loading， the photocatalytic degradation efficiency of g-C3N4/BiOCl reached 88.6% after 90 minutes of light reaction， outperforming pure-phase g-C3N4 and BiOCl.

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相似文献/References:

备注/Memo

备注/Memo:
收稿日期：2023-11-22
基金项目：武汉工程大学第十四届研究生教育创新基金（CX2022026）；武汉工程大学绿色化工过程教育部重点实验室创新基金（GCX2023005）；国家级大学生创新创业训练计划项目（202110490002）
作者简介：王雪燕，硕士研究生。Email：[email protected]
*通信作者：何禄英，博士，副教授。Email：[email protected]
引文格式：王雪燕，袁嘉泽，何禄英，等. C空位协同g-C3N4/BiOCl异质结对亚甲基蓝光催化降解性能的研究［J］. 武汉工程大学学报，2024，46（5）：490-496，542 .
更新日期/Last Update: 2024-10-26