Abstract
Porous ZnS/MXene Ti3C2 nanocomposite was synthesized by one-step hydrothermal method. MXene Ti3C2 with a unique layered structure was used as cocatalyst. ZnS/MXene Ti3C2 nanocomposite was utilized for photocatalytic degradation of tetracycline hydrochloride (TCH). The photodegradation efficiency of TCH were 96% during 60 min under simulated sunlight irradiation. The opened 2D space of MXene Ti3C2 was suitable for ZnS nanoparticles dispersion, which obtained a mesoporous nanocomposite with plenty of heterostructure interfaces. At the same time, the good electron transfer efficiency of MXene Ti3C2 could also provide the high-speed channel through the numerous intimate heterostructure interfaces. Meanwhile, ZnS/MXene Ti3C2 nanocomposite could still maintain a good stability after three cycles. It was significant that ZnS/MXene Ti3C2 nanocomposite achieved an excellent separation efficiency of photogenerated carriers via constructing heterojunction. It proved that porous ZnS/MXene Ti3C2 nanocomposite as a mesoporous superior photocatalyst was an effective and potential photocatalyst for antibiotic degradation.
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