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journal article·2024-03-26Open access

MoSe2 in flower spheres provides abundant active sites for TiO2 photocatalytic degradation of RhB

School of Physics and Electronic Engineering, Jiangsu University, Zhenjiang, Jiangsu, 212013, P. R. China, M. Xie, W.W. Lu, School of Physics and Electronic Engineering, Jiangsu University, Zhenjiang, Jiangsu, 212013, P. R. China, W. Yan, School of Physics and Electronic Engineering, Jiangsu University, Zhenjiang, Jiangsu, 212013, P. R. China, Y. C. Wei, School of Physics and Electronic Engineering, Jiangsu University, Zhenjiang, Jiangsu, 212013, P. R. China, Y. P. Chen, School of Physics and Electronic Engineering, Jiangsu University, Zhenjiang, Jiangsu, 212013, P. R. China, J. Xu, School of Physics and Electronic Engineering, Jiangsu University, Zhenjiang, Jiangsu, 212013, P. R. China

Chalcogenide Letters· Volume 21· Issue 3
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Abstract

In this paper, a MoSe2/TiO2 composite photocatalyst was constructed by modifying TiO2 with MoSe2 as a group catalyst. The results showed that pure TiO2 and MoSe2 had no degradation activity for RhB, and the composite catalyst of 0.03 g MoSe2 had the best photocatalytic degradation activity for RhB. Through SEM, TEM, UV-VIS absorption spectrum, transient photocurrent curve, photoluminescence spectrum, and electrochemical impedance spectrum analysis, it can be seen that the excellent performance of 0.03 g MoSe2 composite sample is due to its excellent nanostructure, and uniform TiO2 nanosheets are attached to MoSe2 flower spheres. The active site of RhB photocatalytic degradation was increased, the visible light response and photobiological carrier separation were enhanced, and TiO2 had photocatalytic activity under simulated sunlight.
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Research context

NanomaterialsCompositesCatalysis & surfaces

OpenAlex topics: Advanced Photocatalysis Techniques · TiO2 Photocatalysis and Solar Cells · Quantum Dots Synthesis And Properties

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

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