Summary: | Metallic 1T-phase MoS<sub>2</sub> is a newly emerging and attractive catalyst since it has more available active sites and high carrier mobility in comparison with its widely used counterpart of semiconducting 2H-MoS<sub>2</sub>. Herein, 1T/2H-MoS<sub>2</sub>(N) (N: MoO<sub>3</sub> nanowires were used to prepare 1T/2H-MoS<sub>2</sub>) was synthesized by using molybdenum trioxide (MoO<sub>3</sub>) nanowires as the starting material and applied in the photodegradation of antibiotic residue in water. Enhanced photocatalytic performance was observed on the obtained 1T/2H-MoS<sub>2</sub>(N), which was 2.8 and 1.3 times higher than those on 1T/2H-MoS<sub>2</sub>(P) (P: commercial MoO<sub>3</sub> powder was used to prepare 1T/2H-MoS<sub>2</sub>) and 2H-MoS<sub>2</sub>, respectively. The active component responsible for the photodegradation was detected and a reaction mechanism is proposed.
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