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
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.
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.
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