Abstract
The Z-scheme LaCoO3/ZnO (LCZ) heterojunction photocatalyst was designed and prepared using the hydrothermal method. In the photocatalytic degradation of tetracycline hydrochloride, LCZ exhibited the highest photocatalytic activity with a rate constant of 0.0179 min−1,which is 3.2 and 2.3 times higher than those of pure ZnO and LaCoO3, respectively. This study presents a promising approach with potential applications in the field of photocatalytic degradation. Further theoretical studies reveal that the existence of Z-scheme heterojunction can prevent the recombination of electron-hole pairs, leading to enhanced photocatalytic performance.
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