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Received June 23, 2021
Accepted October 6, 2021
articles This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/bync/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
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Facile construction of a Bi6O6(OH)3(NO3)3·1.5H2O/Bi2O2CO3 heterojunction with enhanced photocatalytic degradation activity

College of Materials Engineering, Fujian Agriculture and Forestry University, Fuzhou, 350002, China 1College of Mechanical and Electrical Engineering, Fujian Agriculture and Forestry University, Fuzhou, 350002, China 2Department of Agricultural and Environmental Engineering, Bayero University Kano, Nigeria 3Ocean College, Minjiang University, Fuzhou 350108, China
wlw@mju.edu.cn
Korean Journal of Chemical Engineering, April 2022, 39(4), 913-919(7), 10.1007/s11814-021-0977-z
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Abstract

A Bi6O6(OH)3(NO3)3·1.5H2O (BBN)/Bi2O2CO3 (BOC) heterojunction was designed for the first time via a facile hydrothermal method. The photocatalytic performance of catalysts was evaluated by degrading Rhodamine B (RhB) under simulated solar light irradiation. It was found that the degradation rate of RhB by 25 wt%BBN/BOC was dramatically increased about 1.5 and 4.7 times compared with that of pure BOC and BBN, respectively. The enhanced photocatalytic performance migth be attributed to the effective separation of photoinduced electron-hole pairs, benefiting from the construction of heterojunction. Furthermore, the mechanism upon BBN/BOC composites photocatalyst was investigated, expecting this work will bring new insight into the theoretical study and application of semiconductors materials.

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