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Ultrasonic oscillation synthesized ZnS nanoparticles/layered MXene sheet with outstanding photocatalytic activity under visible light
Vacuum ( IF 4 ) Pub Date : 2021-01-01 , DOI: 10.1016/j.vacuum.2020.109834
Xiaoyan Liu , Qicheng Liu , Chuansheng Chen

Abstract To raise photocatalytic efficiency of ZnS nanoparticles (ZnS NPs) under visble light, the novel Ti3C2Tix (MXene) material was used to modify ZnS NPs through ultrasonic oscillation. Research results showed that ZnS nanoparticles (ZnS NPs) were successfully attached on layered MXene sheet, and the resultant 0.1ZnS NPs/MXene (0.1ZnS/M) sample exhibited very high photocatalytic performance under visible light. The degraded velocity of 0.1ZnS/M sample is about 0.02464 min−1, in which is as 3.2 times as that of pure ZnS (0.0077 min−1). Moreover, 0.1 ZnS/M sample displayed good hydrogen production yield about 212 μmol h−1. The enhanced catalytic performance was attributed to the excellent property of MXene sheets and the effective interaction between ZnS NPs and MXene sheets.

中文翻译:

超声振荡合成ZnS纳米颗粒/层状MXene片材在可见光下具有出色的光催化活性

摘要 为了提高可见光下 ZnS 纳米粒子 (ZnS NPs) 的光催化效率,采用新型 Ti3C2Tix (MXene) 材料通过超声振荡对 ZnS NPs 进行改性。研究结果表明,ZnS纳米颗粒(ZnS NPs)成功附着在层状MXene片上,所得0.1ZnS NPs/MXene(0.1ZnS/M)样品在可见光下表现出非常高的光催化性能。0.1ZnS/M 样品的降解速度约为 0.02464 min-1,是纯 ZnS(0.0077 min-1)的 3.2 倍。此外,0.1 ZnS/M 样品显示出良好的产氢率,约为 212 μmol h-1。增强的催化性能归因于 MXene 片的优异性能以及 ZnS NPs 和 MXene 片之间的有效相互作用。
更新日期:2021-01-01
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