Rational design of Z-scheme configured polymeric carbon nitride-decorated ZnWO4 nanofibers for enhanced visible-light-driven photodegradation of antibiotics - Details

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Abstract：

In　this　study,　a　Z-scheme　heterostructure　was　meticulously　engineered　between　zinc　tungstate　(ZnWO4)　nanofibers　and　polymeric　carbon　nitride　(PCN)　nanosheets　to　augment　the　photocatalytic　degradation　of　tetracycline　(TC)　under　visible　light　irradiation.　A　cohesively　integrated　PCN/ZnWO4　photocatalyst　structure　was　synthesized　through　an　in-situ　gas-solid　reaction.　The　quantity　and　spatial　distribution　of　PCN　nanosheets　were　modulated　by　fine-tuning　the　gas　precursor　and　reaction　parameters.　Relative　to　pristine　ZnWO4　nanofibers　and　PCN　photocatalysts,　the　distinct　three-dimensional　PCN/ZnWO4　heterostructure　manifests　a　notable　enhancement　in　photocatalytic　performance,　attributed　to　its　plethora　of　active　sites　and　a　Z-scheme　configuration　that　bolsters　charge　separation　efficiency,　achieving　a　tetracycline　degradation　rate　of　95.4%　upon　exposure　to　simulated　sunlight　for　160　minutes.　The　employment　of　gas-solid　reaction　as　a　design　paradigm　pioneers　a　fresh　paradigm　in　the　strategic　assembly　of　Z-scheme　heterostructured　photocatalysts,　thereby　illuminating　a　promising　pathway　for　advancements　in　environmental　remediation　technologies.　©　2024　Elsevier　B.V.

Keyword：

Electrospinning Gas-solid reaction Photocatalysis Polymeric carbon nitride/ZnWO4 Z-scheme heterostructure

Community：

[ 1 ] [Luo Z.]Fujian Provincial Key Laboratory of Ecology-Toxicological Effects & Control for Emerging Contaminants, College of Environmental and Biological Engineering, Putian University, Putian, 351100, China
[ 2 ] [Luo Z.]Key Laboratory of Ecological Environment and Information Atlas, Fujian Provincial University (Putian University), Putian, 351100, China
[ 3 ] [Luo Z.]State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, 350002, China
[ 4 ] [Fang Y.]Fujian Provincial Key Laboratory of Ecology-Toxicological Effects & Control for Emerging Contaminants, College of Environmental and Biological Engineering, Putian University, Putian, 351100, China
[ 5 ] [Fang Y.]Key Laboratory of Ecological Environment and Information Atlas, Fujian Provincial University (Putian University), Putian, 351100, China
[ 6 ] [Fang Y.]College of Environment & Safety Engineering, Fuzhou University, Fuzhou, 350116, China
[ 7 ] [Chen J.]Fujian Provincial Key Laboratory of Ecology-Toxicological Effects & Control for Emerging Contaminants, College of Environmental and Biological Engineering, Putian University, Putian, 351100, China
[ 8 ] [Chen J.]Key Laboratory of Ecological Environment and Information Atlas, Fujian Provincial University (Putian University), Putian, 351100, China
[ 9 ] [Wu Y.]Fujian Provincial Key Laboratory of Ecology-Toxicological Effects & Control for Emerging Contaminants, College of Environmental and Biological Engineering, Putian University, Putian, 351100, China
[ 10 ] [Wu Y.]Key Laboratory of Ecological Environment and Information Atlas, Fujian Provincial University (Putian University), Putian, 351100, China
[ 11 ] [Jia F.]Fujian Provincial Key Laboratory of Ecology-Toxicological Effects & Control for Emerging Contaminants, College of Environmental and Biological Engineering, Putian University, Putian, 351100, China
[ 12 ] [Jia F.]Key Laboratory of Ecological Environment and Information Atlas, Fujian Provincial University (Putian University), Putian, 351100, China
[ 13 ] [Xie L.]Fujian Provincial Key Laboratory of Ecology-Toxicological Effects & Control for Emerging Contaminants, College of Environmental and Biological Engineering, Putian University, Putian, 351100, China
[ 14 ] [Xie L.]Key Laboratory of Ecological Environment and Information Atlas, Fujian Provincial University (Putian University), Putian, 351100, China
[ 15 ] [Ren W.]School of Food and Bioengineering, Fujian Polytechnic Normal University, Fujian Province, Fuqing, 350300, China
[ 16 ] [Liu M.]Fujian Provincial Key Laboratory of Ecology-Toxicological Effects & Control for Emerging Contaminants, College of Environmental and Biological Engineering, Putian University, Putian, 351100, China
[ 17 ] [Liu M.]Key Laboratory of Ecological Environment and Information Atlas, Fujian Provincial University (Putian University), Putian, 351100, China
[ 18 ] [Liu M.]College of Environment & Safety Engineering, Fuzhou University, Fuzhou, 350116, China
[ 19 ] [Liu Q.]Fujian Provincial Key Laboratory of Ecology-Toxicological Effects & Control for Emerging Contaminants, College of Environmental and Biological Engineering, Putian University, Putian, 351100, China
[ 20 ] [Liu Q.]Key Laboratory of Ecological Environment and Information Atlas, Fujian Provincial University (Putian University), Putian, 351100, China
[ 21 ] [Huang J.]Fujian Provincial Key Laboratory of Ecology-Toxicological Effects & Control for Emerging Contaminants, College of Environmental and Biological Engineering, Putian University, Putian, 351100, China
[ 22 ] [Huang J.]Key Laboratory of Ecological Environment and Information Atlas, Fujian Provincial University (Putian University), Putian, 351100, China

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