DataVXAdvanced Sustainable SystemsPaper
journal article·2024-04

Spherical Bi4O5I2/MoS2 QDs Nanocomposites Activate Persulfate to Degrade Tetracycline Under Visible Light

Yuanyuan Zhang, Xunhuai Huang, Qian Zheng, Jinman Yang, Linzhi Zhai, Yanhua Song

Advanced Sustainable Systems· Volume 8· Issue 4
Publisher page
Source abstract

Abstract

Abstract Photocatalytic activation of persulfate is considered to be a promising purification technology. In this study, a novel nanospherical composite material is synthesized by loading MoS2 Quantum Dots on Bi4O5I2. MoS2 Quantum Dots enhance the activity of the composite material and separation efficiency of electrons and holes. Meanwhile the composite material demonstrates a strong photocurrent response by optoelectronic analysis. In addition, the light absorption range is further expanded. Based on the improvement of photoelectric properties and light absorption performance, the BM0.5%/PS/Vis system exhibits the most excellent performance with a degradation rate of 69.7% for tetracycline within 60 min. The degradation mechanism is verified through free radical capture experiments, the radicals involve in degradation are ·OH, ·SO4−, ·O2− and 1O2. The possible degradation pathway of tetracycline is proposed by liquid chromatography‐mass spectrometry (LC‐MS). This work is expected to provide a research direction for the application of modified bismuth halide in PS activation.
Source: crossref · Quality: baseline

Research context

NanomaterialsElectronic materialsCompositesCatalysis & surfaces

OpenAlex topics: Advanced Photocatalysis Techniques · Gas Sensing Nanomaterials and Sensors · Advanced oxidation water treatment

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

School of Enviromental and Chemical Engineering Jiangsu University of Science and Technology Zhenjiang Jiangsu 212003 P. R. China

Institute for Energy Research School of the Environment and Safety Engineering Jiangsu University Zhenjiang Jiangsu 212013 P. R. China

Funding

National Natural Science Foundation of China

References (60)

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