Dynamic construction of self-assembled supramolecular H12SubPcB-OPhCOOH/Ag3PO4 S-scheme arrays for visible photocatalytic oxidation of antibiotics

被引：33

作者：

Wang, Bing ^{[1
]}

Li, Zhuo ^{[1
,2
]}

Ma, HaiXia ^{[1
]}

Zhang, JianBo ^{[1
]}

Jiao, LinYu ^{[1
]}

Hao, Hong ^{[1
]}

Liu, EnZhou ^{[1
]}

Xu, Long ^{[1
]}

Wang, Chen ^{[1
]}

Zhou, Bo ^{[3
]}

Ma, XiaoXun ^{[1
]}

机构：

[1] Northwest Univ, Sch Chem Engn, Xian 710069, Peoples R China

[2] Imperial Coll London, Ctr Processable Elect, Dept Chem, 80 Wood Lane, London W12 0BZ, England

[3] Northwest Univ, Inst Modern Phys, Shaanxi Key Lab Theoret Phys Frontiers, Xian 710069, Peoples R China

来源：

APPLIED CATALYSIS B-ENVIRONMENT AND ENERGY | 2022年 / 318卷

基金：

中国国家自然科学基金;

关键词：

Photocatalysis; DFT; Supramolecular array; Hydrogen bond; Van der Waals interaction; PHOTON-ABSORPTION; DEGRADATION; SURFACE; SEMICONDUCTOR; MECHANISM; REMOVAL; AG3PO4; NANOCOMPOSITES; PERFORMANCE; COMPOSITES;

D O I：

10.1016/j.apcatb.2022.121882

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Achieving efficient photocatalytic oxidation of antibiotics represents a key challenge, which can be overcome by developing dynamic attachment strategies between supramolecular and semiconducting catalysts. Herein, we utilize hydrogen bonding and van der Waals forces to dynamically connect self-assembled SubPc-1 dimers and Ag3PO4 semiconductor catalysts for photocatalytic oxidation of antibiotics, which is systematically demonstrated by spectroscopic measurements and theoretical calculations. The degradation efficiency of SubPc-1/Ag3PO4 supramolecular nanoarrays for tetracycline and oxytetracycline is 93.54% and 94.9% under 30 min visible light irradiation, respectively. The superior activity and excellent stability of supramolecular arrays are demonstrated to be more attributed to the dynamic hydrogen bonding and van der Waals connection between SubPc-1 and Ag3PO4. This work reveals a potential for preparing specific S-scheme heterojunction photocatalysts based on dynamic attachment supramolecular and semiconductor catalysts.

引用

页数：18

共 45 条

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