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2D/2D Ni-MOF/BiOCl S-scheme heterojunction with boosted charge transfer and photocatalytic degradation of tetracycline

文献类型： 外文期刊

作者： Zhou, Jiaxin 1 ; Tang, Huiling 2 ; Yao, Chunxia 1 ; Song, Weiguo 1 ; Liu, Chengbin 1 ; Song, Wei 1 ; Zhang, Zhijie 2 ;

作者机构： 1.Shanghai Acad Agr Sci, Inst Agrofood Stand & Testing Technol, 1000 Jinqi Rd, Shanghai 201403, Peoples R China

2.Shanghai Inst Technol, Sch Mat Sci & Engn, 100 Haiquan Rd, Shanghai 201418, Peoples R China

关键词： S-scheme heterojunction; Ni-MOF; BiOCl; Photocatalyst; Tetracycline

期刊名称：SUSTAINABLE MATERIALS AND TECHNOLOGIES （ 影响因子：9.6； 五年影响因子：9.9 ）

ISSN： 2214-9937

年卷期： 2024 年 39 卷

页码：

收录情况： SCI

摘要： Constructing S-scheme heterojunction with boosted charge separation efficiency and high photoredox ability is a promising strategy in photocatalytic wastewater treatment. Herein, we report a novel S-scheme photocatalyst composed of two-dimensional (2D) nanosheets (NSs) of Ni -based metal-organic framework (Ni-MOF) and 2D BiOCl NSs. Such a unique 2D/2D stacking structure affords a large contact area at the interface, which promotes electron transfer and ensures the construction of S-scheme heterojunction between Ni-MOF and BiOCl. Benefitting from the efficient charge transfer and sufficient redox ability, the developed Ni-MOF/BiOCl heterojunctions exhibit enhanced photocatalytic performance for tetracycline (TC) degradation. Especially, the optimum 0.1Ni-MOF/BiOCl catalyst achieves a remarkable TC removal rate constant of 0.00274 min(-1), 7.21 folds larger than that of single BiOCl (k = 0.00038 min(-1)). This study offers an ideal strategy for designing and fabricating novel S-scheme heterojunction photocatalysts with applicability in wastewater treatment

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