PREPARATION AND PHOTOCATALYTIC PERFORMANCE OF AG3PO4/MOS2 COMPOSITE PHOTOCATALYST

Ya Gao, Zezhong Xu, Yuhui Hu, Chengliang Han and Lingyun Zhang
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Ya Gao: Center of Analysis and Testing, Hefei University, Anhui Hefei 230601, P. R. China
Zezhong Xu: Center of Analysis and Testing, Hefei University, Anhui Hefei 230601, P. R. China
Yuhui Hu: ��School of Energy Materials and Chemical Engineering, Hefei University, Anhui Hefei 230601, P. R. China
Chengliang Han: ��School of Energy Materials and Chemical Engineering, Hefei University, Anhui Hefei 230601, P. R. China
Lingyun Zhang: Center of Analysis and Testing, Hefei University, Anhui Hefei 230601, P. R. China

Surface Review and Letters (SRL), 2024, vol. 31, issue 02, 1-8

Abstract: Ag3PO4 and MoS2 semiconductor materials were synthesized by hydrothermal method. The composite materials were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), X-ray energy dispersive spectroscopy (EDS), and UV–vis diffuse reflectance spectroscopy (UV–VIS DRS), and the photocatalytic degradation of organic dyes by rhodamine B was studied. The results showed that: Ag3PO4/MoS2 composite photocatalyst is formed by using MoS2 microspheres as the matrix and Ag3PO4 nanoparticles coated on its surface or embedded in its lamellar structure. When the molar fraction of Ag3PO4 in the composite product is 75%, the composite photocatalyst has better light absorption capacity and lower photogenerated carrier recombination rate (optical band gap is 1.24 eV), and shows better visible light photocatalytic degradation activity in the photocatalytic degradation of RhB experiment, the catalytic degradation rate is as high as 95.0%. At the same time, the degradation mechanism showed that H+ and O2− were the main active substances for RhB degradation. The photocatalyst has excellent performance and simple preparation method. It has broad application prospects in the field of photocatalysis.

Keywords: Ag3PO4/MoS2 composite; hydrothermal method; photocatalytic; stability (search for similar items in EconPapers)
Date: 2024
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DOI: 10.1142/S0218625X24500112

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