Nanofibrous Filter Synthesis and Characterization of ZiF-8 Metal Organic Framework for Efficient PM Particle Filtration on Cotton Substrate

In this work, we optimized the electrospinning method and prepared a ZiF-8@PAN (Zinc Imidazolate Framework-8/Polyacrylonitrile) solution to fabricate a ZiF-8 MOF (Metal Organic Framework) nano fibrous filter for efficient filtration of PM2.5 and PM10 particles. The solution was deposited on a cotton substrate, chosen for its high flexibility, low air flow resistance, abundant interactive sites for pollutants, and cost-effectiveness. Structural characterization was performed using X-Ray Diffraction (XRD) analysis with the Bruker D8 Advance instrument, confirming the successful preparation of the ZiF-8@PAN sample. The XRD spectra exhibited distinct diffraction peaks corresponding to the associated planes of the deposited thin film, indicating the presence of the Sodalite structure. The surface morphology of the synthesized sample was examined using Field Emission Scanning Electron Microscopy (FESEM), revealing a uniform distribution of nano fibrous structures with a mesh-like surface morphology. The fabricated sample was further characterized using a Nova Touch LX2 gas sorption analyzer, which revealed a BET surface area of 664.953 m
²
g
^-1
and a pore volume of 0.3916 cm
³
g
^-1
for the composite ZIF-8@PAN.