Open AccessFabrication of Bi2MoO6 Photocatalytic Fibers via Wet Spinning and Enhanced Photocatalytic Activity
Author(s) -
Jun Sun,
Yan Zhang,
Xiaobing Tian,
Meijun Yang,
Xiaolong Yang,
Jianqiang Yu
Publication year - 2020
Publication title -
iop conference series. materials science and engineering
Language(s) - English
Resource type - Journals
eISSN - 1757-899X
pISSN - 1757-8981
DOI - 10.1088/1757-899x/735/1/012013
Subject(s) - photocatalysis , materials science , scanning electron microscope , spinning , formaldehyde , fiber , chemical engineering , degradation (telecommunications) , nuclear chemistry , hydrothermal circulation , composite material , catalysis , chemistry , organic chemistry , telecommunications , computer science , engineering
In this paper, Bi 2 MoO 6 photocatalytic fibers were fabricated by wet spinning method and the photocatalytic activity was found to be enhanced significantly. The Bi 2 MoO 6 powders were prepared by hydrothermal process at different pH (0.4, 6, 8, 10), which is recorded as BMO-0.4, BMO-6, BMO-8, BMO-10. The powders were then mixed with sodium alginate colloid, and fabricated into photocatalytic fibers by wet spinning. The samples were recorded as FB-0.4, FB-6, FB-8, FB-10, respectively. The crystal phase, morphology and photophysical properties of the fiber samples were characterized by X-ray powder diffraction (XRD), scanning electron microscopy (SEM), and laser particle size analysis (LPSA). In order to investigate the photocatalytic performance of the synthesized photocatalysts, RhB and formaldehyde were used as simulated water pollutant and air pollutant, respectively. It showed that the efficiency of the degradation of RhB over BMO-10 was 75%, while that enhanced to 85% over FB-10. It should be noted that the content of photocatalyst in the fiber FB-10 was only 1%. The degradation efficiency of formaldehyde in FB-10 sample reaches 92%.