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现代化工  2021, Vol. 41 Issue (5): 168-173    DOI: 10.16606/j.cnki.issn0253-4320.2021.05.034
  科研与开发 本期目录 | 过刊浏览 | 高级检索 |
单宁酸/BiOCl的制备及其可见光催化性能研究
汪山1, 李倩1, 顾文秀1, 宋启军1, 滕跃2, 邹路易2
1. 江南大学化学与材料工程学院, 江苏 无锡 214122;
2. 江南大学环境与土木工程学院, 江苏 无锡 214122
Preparation of tannic acid/BiOCl and its visible light catalytic performance
WANG Shan1, LI Qian1, GU Wen-xiu1, SONG Qi-jun1, TENG Yue2, ZOU Lu-yi2
1. School of Chemical and Material Engineering, Jiangnan University, Wuxi 214122, China;
2. School of Environment and Civil Engineering, Jiangnan University, Wuxi 214122, China
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摘要 采用单宁酸(TA)改性BiOCl(BOC),一步水热法制备新型复合材料TA/BOC。通过XRD、SEM、XPS、FT-IR、UV-Vis DRS和荧光光谱(PL)等技术对复合材料的形貌、结构和吸光性能进行表征。以罗丹明B(RhB)为目标降解物,考察了TA/BOC的可见光催化降解活性和重复使用性。结果表明,复合材料的可见光催化活性均高于纯BOC,其中TA/BOC-0.08的催化活性最优。最佳条件下,TA/BOC在30 min内催化降解RhB的降解率达95%以上;重复使用5次,催化性能无明显衰减。TA/BOC通过光敏化作用实现对RhB的高效率可见光降解,其中·O2-是可见光敏化催化降解的主要活性物种。
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汪山
李倩
顾文秀
宋启军
滕跃
邹路易
关键词:  单宁酸/BiOCl  可见光  光催化降解  罗丹明B    
Abstract: TA/BOC,a new composite material,is prepared by one-step hydrothermal method from tannic acid (TA) and BiOCl (BOC).The morphology,structure and light absorption of the composite are characterized by XRD,SEM,XPS,FT-IR,UV-Vis DRS and fluorescence spectrum (PL).Photocatalytic activity and reusability of TA/BOC are investigated by using Rhodamine B as degradation target.Results show that the visible light catalytic activity of the composite material is higher than that of pure BOC,and the catalytic activity of 0.08-TA/BOC is the best.Under the optimal conditions,the degradation of RhB can exceed 95% over TA/BOC within 30 minutes.It can be reused for 5 times without significant reduction of catalytic performance.TA/BOC achieves high-efficiency visible light degradation of RhB through photosensitization,of which ·O2- is the main active specie.
Key words:  tannic acid/BiOCl    visible light    photocatalytic degradation    Rhodamine B
收稿日期:  2020-06-05      修回日期:  2021-03-10           出版日期:  2021-05-20
ZTFLH:  X703.1  
基金资助: 江南大学自主科研项目(JUSRP11525);水体污染控制与治理专项子课题(2017ZX07203-003)
通讯作者:  顾文秀(1973-),女,博士,副教授,研究方向为纳米环境功能材料,通讯联系人,guwenxiu@jiangnan.edu.cn。    E-mail:  guwenxiu@jiangnan.edu.cn
作者简介:  汪山(1993-),男,硕士研究生,研究方向为纳米环境功能材料,651460024@qq.com
引用本文:    
汪山, 李倩, 顾文秀, 宋启军, 滕跃, 邹路易. 单宁酸/BiOCl的制备及其可见光催化性能研究[J]. 现代化工, 2021, 41(5): 168-173.
WANG Shan, LI Qian, GU Wen-xiu, SONG Qi-jun, TENG Yue, ZOU Lu-yi. Preparation of tannic acid/BiOCl and its visible light catalytic performance. Modern Chemical Industry, 2021, 41(5): 168-173.
链接本文:  
https://www.xdhg.com.cn/CN/10.16606/j.cnki.issn0253-4320.2021.05.034  或          https://www.xdhg.com.cn/CN/Y2021/V41/I5/168
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