Preparation and bifunctional photocatalytic properties of Mo-doped Zn0.5Cd0.5S assisted by Ti3C2

NIU Jie; WANG Liang; LI Chun-hu

doi:10.19906/j.cnki.JFCT.2023021

Volume 51 Issue 10

Oct. 2023

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Article Navigation > Journal of Fuel Chemistry and Technology > 2023 > 51(10): 1487-1495

NIU Jie, WANG Liang, LI Chun-hu. Preparation and bifunctional photocatalytic properties of Mo-doped Zn0.5Cd0.5S assisted by Ti3C2[J]. Journal of Fuel Chemistry and Technology, 2023, 51(10): 1487-1495. doi: 10.19906/j.cnki.JFCT.2023021

Citation:

NIU Jie, WANG Liang, LI Chun-hu. Preparation and bifunctional photocatalytic properties of Mo-doped Zn_0.5Cd_0.5S assisted by Ti₃C₂[J]. Journal of Fuel Chemistry and Technology, 2023, 51(10): 1487-1495. doi: 10.19906/j.cnki.JFCT.2023021

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Preparation and bifunctional photocatalytic properties of Mo-doped Zn_0.5Cd_0.5S assisted by Ti₃C₂

doi: 10.19906/j.cnki.JFCT.2023021

College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao 266100, China

Received Date: 2023-01-16
Accepted Date: 2023-03-10
Rev Recd Date: 2023-02-28

Available Online: 2023-03-24

Publish Date: 2023-10-10

Abstract

Abstract

Mo-doped Zn_0.5Cd_0.5S was prepared and compounded with Ti₃C₂ nanosheets by hydrothermal method. The crystal structure, surface composition, microscopic morphology, and photoelectric properties of the photocatalysts were analyzed by XRD, SEM, TEM, XPS, UV-vis DRS, fluorescence spectroscopy, transient photocurrent methods. The results showed that the doping of Mo caused changes in the lattice structure of Zn_0.5Cd_0.5S, while the loading of Ti₃C₂ increased the photocatalytic active site and accelerated the electron transfer rate. The photocatalytic activity was investigated by degrading the tetracycline solution under visible light irradiation with simultaneous H₂ production. The results showed that with the synergistic effect of Mo doping and loaded Ti₃C₂, the degradation rate of tetracycline (TC) reached more than 70% within 60 min, while the H₂ yield reached 883 μmol/(g·h). The radical capture experiments proved that the main active substance for degradation was holes and for H₂ production was electrons.
- Zn_0.5Cd_0.5S,
- Mo doping,
- Ti₃C₂,
- bifunctional photocatalyst

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