Abstract
In the face of water pollution, constructing a photocatalyst with high redox ability to remove organic pollutants is necessary. A novel Z-scheme Bi12O15Cl6/Ag2CO3 heterojunction was successfully designed. Under LED light, the best sample 8% Bi12O15Cl6/Ag2CO3 can remove 99.8% RhB and 79.8% TC within 90 min. The morphology, structure, electrochemical and optical performance of Bi12O15Cl6/Ag2CO3 were detected by a series of characterization. The charge separation and transition efficiency were verified by electrochemical impedance spectroscopy (EIS) and photocurrent. The photodegradation pathway, intermediate product and active substances were measured by mass spectrometry (MS). During photocatalytic reactions, ·OH, ·O2− and h+ are active substances, among which h+ played an extremely important role. A Z-type photocatalytic reaction mechanism was produced based on the capture test. This study provides a new idea for the synthesis of Z-type hybrid structure for the degradation of organic pollutants.
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The financial support from the National Natural Science Foundation of China (51805220) and Innovation and Practice fund of Jiangsu University Industrial Center (ZXJG2022006) are genuinely appreciated by the authors.
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All authors have approved the final version of the manuscript. MZ and LH contributed to investigation, calculations, and writing, reviewing, and editing of the manuscript, SL and LQ contributed to measurements and reviewing and editing of the manuscript. YL and LH contributed to editing of the manuscript and supervising.
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Zhu, M., Huang, L., Liu, S. et al. Construction of Z-type Bi12O15Cl6/Ag2CO3 photocatalyst for enhanced photocatalytic degradation of RhB and TC. J Mater Sci: Mater Electron 35, 585 (2024). https://doi.org/10.1007/s10854-024-12334-9
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DOI: https://doi.org/10.1007/s10854-024-12334-9