Highly Efficient Ag3PO4/g-C3N4 Z-Scheme Photocatalyst for Its Enhanced Photocatalytic Performance in Degradation of Rhodamine B and Phenol |
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| Authors: | Mingxi Zhang Hanxiao Du Juan Ji Fengfeng Li Y. C. Lin Chenwei Qin Ze Zhang Yi Shen |
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| Affiliation: | 1.Light Alloy Research Institute, Central South University, Changsha 410083, China;2.Key Laboratory of Inorganic Nonmetallic Materials Hebei Province, College of Materials Science and Engineering, North China University of Science and Technology, Tangshan 063210, China; (H.D.); (J.J.); (C.Q.); (Z.Z.); (Y.S.);3.School of Mechanical and Electrical Engineering, Central South University, Changsha 410083, China |
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| Abstract: | Ag3PO4/g-C3N4 heterojunctions, with different g-C3N4 dosages, were synthesized using an in situ deposition method, and the photocatalytic performance of g-C3N4/Ag3PO4 heterojunctions was studied under simulated sunlight conditions. The results revealed that Ag3PO4/g-C3N4 exhibited excellent photocatalytic degradation activity for rhodamine B (Rh B) and phenol under the same light conditions. When the dosage of g-C3N4 was 30%, the degradation rate of Rh B at 9 min and phenol at 30 min was found to be 99.4% and 97.3%, respectively. After five cycles of the degradation experiment for Rh B, g-C3N4/Ag3PO4 still demonstrated stable photodegradation characteristics. The significant improvement in the photocatalytic activity and stability of g-C3N4/Ag3PO4 was attributed to the rapid charge separation between g-C3N4 and Ag3PO4 during the Z-scheme charge transfer and recombination process. |
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| Keywords: | Ag3PO4 g-C3N4 semiconductor photocatalyst Z-scheme mechanism |
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