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Integrated adsorption and photocatalytic removal of methylene blue dye from aqueous solution by hierarchical Nb_(2)O_(5)@PAN/PVDF/ANO composite nanofibers

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Nano Materials Science 2024年第1期6卷 96-105页

作者： Aditya Rianjanu Kurniawan Deny Pratama Marpaung Elisabeth Kartini Arum Melati Rizky Aflaha Yudha Gusti Wibowo I Putu Mahendra Nursidik Yulianto Januar Widakdo Kuwat Triyana Hutomo Suryo Wasisto tarmizi taher Department of Materials Engineering Institut Teknologi SumateraTerusan RyacuduWay HuiJati AgungLampung Selatan35365Indonesia Center for Green and Sustainable Materials Institut Teknologi SumateraTerusan RyacuduWay HuiJati AgungLampung Selatan35365Indonesia Department of Environmental Engineering Institut Teknologi SumateraTerusan RyacuduWay HuiJati AgungLampung Selatan35365Indonesia Department of Physics Faculty of Mathematics and Natural SciencesUniversitas Gadjah MadaSekip Utara PO Box BLS 21Yogyakarta55281Indonesia Department of Mining Engineering Institut Teknologi SumateraTerusan RyacuduWay HuiJati AgungLampung Selatan35365Indonesia Department of Chemistry Institut Teknologi SumateraTerusan RyacuduWay HuiJati AgungLampung Selatan35365Indonesia Research Center for Photonics National Research and Innovation Agency(BRIN)Kawasan Puspitek SerpongTangerang Selatan15314Indonesia Department of Physics Faculty of Mathematics and Natural SciencesUniversitas IndonesiaDepok16424Indonesia PT Nanosense Instrument Indonesia UmbulharjoYogyakarta55167Indonesia Department of Chemical Engineering Faculty of EngineeringUniversitas Gadjah MadaJl Grafika No.2Yogyakarta55281Indonesia

This work presents the development of hierarchical niobium pentoxide(Nb_(2)O_(5))-based composite nanofiber membranes for integrated adsorption and photocatalytic degradation of methylene blue(MB)pollutants from aqueous *** Nb_(2)O_(5) nanorods were vertically grown using a hydrothermal process on a base electrospun nanofibrous membrane made of polyacrylonitrile/polyvinylidene fluoride/ammonium niobate(V)oxalate hydrate(Nb_(2)O_(5)@PAN/PVDF/ANO).They were characterized using field-emission scanning electron microscopy(FE-SEM),X-ray diffraction(XRD)analysis,and Fourier transform infrared(FTIR)*** composite nanofibers possessed a narrow optical bandgap energy of 3.31 eV and demonstrated an MB degradation efficiency of 96%after 480 min contact *** pseudo-first-order kinetic study was also conducted,in which Nb_(2)O_(5)@PAN/PVDF/ANO nanofibers have kinetic constant values of 1.29×10^(-2) min^(-1) and 0.30×10^(-2) min^(-1) for adsorption and photocatalytic degradation of MB aqueous solutions,*** values are 17.7 and 7.8 times greater than those of PAN/PVDF/ANO nanofibers without Nb_(2)O_(5) *** their outstanding photocatalytic performance,the developed membrane materials exhibit advantageous characteristics in recycling,which subsequently widen their practical use in environmental remediation applications.

关键词： Hierarchical nanostructure Composite nanofiber Niobium pentoxide Dye degradation Synergetic adsorption and photocatalysis

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