Ag 3 PO 4 Deposited on CuBi 2 O 4 to Construct Z-Scheme Photocatalyst with Excellent Visible-Light Catalytic Performance Toward the Degradation of Diclofenac Sodium.
Nanomaterials (Basel, Switzerland)(2019)
摘要
CuBiO/AgPO was synthesized through a combination of hydrothermal synthesis and an in situ deposition method with sodium stearate as additives, and their textures were characterized with XRD, XPS, SEM/HRTEM, EDS, UV-Vis, and PL. Then, the photodegradation performance of CuBiO/AgPO toward the degradation of diclofenac sodium (DS) was investigated, and the results indicate that the degradation rate of DS in a CuBiO/AgPO (1:1) system is 0.0143 min, which is 3.6 times that in the blank irradiation system. Finally, the photocatalytic mechanism of CuBiO/AgPO was discussed, which follows the Z-Scheme theory, and the performance enhancement of CuBiO/AgPO was attributed to the improved separation efficiency of photogenerated electron-hole pairs.
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关键词
CuBi2O4/Ag3PO4,Z-Scheme,photocatalytic mechanism,visible light
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