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Well-construction of Zn_(2)SnO_(4)/SnO_(2)@ZIF-8 core-shell hetero-structure with efficient photocatalytic activity towards tetracycline under restricted space

查看全文 作　　者：Jiafei [1]Wu;Yuning [1]Jin;Danping [1]Wu;Xiaoying [2]Yan;Na [3]Ma;Wei [1]Dai 高影响力作者 机构地区：[1]Key Laboratory of the Ministry of Education for Advanced Catalysis Materials,College of Chemistry and Life Science,Zhejiang Normal University,Jinhua 321004,China;[2]National Center for Nanoscience and Technology,Beijing 100190,China;[3]College of Geography and Environmental Sciences,Zhejiang Normal University,Jinhua 321004,China高影响力机构 出　　处：《Chinese Journal of Chemical Engineering》索引2022年第12期,共11页高影响力期刊 基　　金：supported by the National Natural Science Foundation of China(No.22178325)。 摘　　要：Nowadays,efficient removal of antibiotic(e.g.tetracycline,TC) from water bodies has been of great global concern.Hereby,a novel Zn_(2)SnO_(4)/SnO_(2)@ZIF-8 photo-catalyst was first synthesized by a facile selfassembly in-situ growth method.Zn_(2)SnO_(4)/SnO_(2)@ZIF-8 exhibits a remarkable photocatalytic activity towards TC under visible-light driven with a rapid rate constant of 1.5 × 10^(-2)min^(-1), and a removal efficiency of 81.2%,which is superior to some catalysts in the literature.Importantly,the photocatalytic activity of Zn_(2)SnO_(4)/SnO_(2)@ZIF-8 could still remain ~77% after the fifth cycle,indicating its good stability and reusability.The remarkable performances of adsorption and photocatalytic were attributed to associative effects of catalytic activity of Zn_(2)SnO_(4)/SnO_(2)and the unique porous nanostructure and stability of ZIF-8.This work could aid the future design and preparation of novel MOFs composite catalysts for efficient elimination of antibiotics from water. 关 键 词：Degradation Catalyst TETRACYCLINE ZIF-8 Zn_(2)SnO_(4)/SnO_(2) Adsorption
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