Novel Zn(II)-Based Metal–Organic Frameworks@Polyacrylonitrile Fibrous Composites: Fabrication, Characterization, and Selective Anionic Dyes Sorption Properties 


Vol. 26,  No. 10, pp. 4439-4453, Oct.  2025
10.1007/s12221-025-01087-9


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  Abstract

The development of effective adsorbents has drawn much attention for the purpose of pollutant removal. MOFs (metal–organic frameworks) are attractive candidates for fabricating highly efficient and recyclable sorbents. In this study, Zn-MOF@PAN composites incorporating PAN (polyacrylonitrile) and TMU-17 or TMU-17-NH2 were fabricated using an electrospinning technique. Successful preparation was confirmed by Fourier-transform infrared (FT-IR), X-ray diffraction (XRD), scanning electron microscope (SEM), and energy-dispersive X-ray spectroscopy (EDX) mapping that the preparation was successful. The Zn-based MOFs and their fibrous composites were studied for the removal of MO (methyl orange) and CR (Congo red) as anionic dyes from aqueous solutions. The dye sorption process was found to follow the Langmuir isotherm and pseudo-second order kinetics. The TMU-17-NH2 exhibited the highest sorption capacities, achieving 1264 and 1806 mg g−1 for CR and MO dyes, respectively. Furthermore, the composites demonstrated good reusability up to five successive cycles. Overall, the novel porous Zn-MOF@PAN fibrous composites show significant potential for the removal of anionic dyes from wastewater.

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  Cite this article

[IEEE Style]

Z. Ansari-Asl, L. Hashemi, R. Sacourbaravi, M. Torkaman, "Novel Zn(II)-Based Metal–Organic Frameworks@Polyacrylonitrile Fibrous Composites: Fabrication, Characterization, and Selective Anionic Dyes Sorption Properties," Fibers and Polymers, vol. 26, no. 10, pp. 4439-4453, 2025. DOI: 10.1007/s12221-025-01087-9.

[ACM Style]

Zeinab Ansari-Asl, Leila Hashemi, Reza Sacourbaravi, and Mohammad Torkaman. 2025. Novel Zn(II)-Based Metal–Organic Frameworks@Polyacrylonitrile Fibrous Composites: Fabrication, Characterization, and Selective Anionic Dyes Sorption Properties. Fibers and Polymers, 26, 10, (2025), 4439-4453. DOI: 10.1007/s12221-025-01087-9.

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pISSN : 1229 - 9197
eISSN : 1875 - 0052

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