화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.77, 154-163, September, 2019
DOI10.1016/j.jiec.2019.04.030  Export Citation
High performance visible light photocatalysis of electrospun PAN/ZnO hybrid nanofibers
Akshara P. Shah, Shilpa Jain, Vinod J. Mokale1, and Navinchandra G. Shimpi†
  • Department of Chemistry, University of Mumbai, Santacruz (East), Mumbai 400098, India
  • 1Department of Nanotechnology, Dr. Babasaheb Ambedkar Marathawada University, Aurangabad, 431 004, Maharashtra, India
E-mail:
ZnO nanorods (NRs) immobilized PAN nanofibers were prepared using electrospinning technique. ZnO were dispersed uniformly, which helps to overcome the difficult recycling of powder catalyst. The asobtained fibers were characterized with wide-angle powder X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscope (TEM), Fourier transform infrared spectroscopy (FTIR), UV-vis diffuse reflectance spectrophotometry (UV-vis-DRS), Thermogravimetry analysis (TGA), N2 adsorption.desorption isotherms (BET), and X-ray photoelectron spectrometer (XPS). The morphological studies revealed that ZnO NRs were aligned parallel to the axis of fibers. PAN/ZnO hybrid NFs shows better regularity and uniformity in diameter (~800 nm) with large specific surface area and smaller energy band gap comparted to ZnO NRs. Under visible light irradiation, PAN/ZnO hybrid nanofibers have had excellent photocatalytic performances for the degradation of cationic MG dye (200 min, 99%) and anionic MO dye (280 min, 99%) respectively. Due to the electrostatic attraction between cationic dye and anionic PAN/ZnO, the degradation rate towards MG dye was higher than MO dye. Recyclability study shows that after fifth cycle, 93% efficiency was observed.
Keywords:Electrospinning;Nanofibers;Photocatalysis;Polyacrylonitrile;ZnO
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