Journal
RESEARCH ON CHEMICAL INTERMEDIATES
Volume 47, Issue 7, Pages 2701-2718Publisher
SPRINGER
DOI: 10.1007/s11164-021-04438-2
Keywords
Lanthanum; BiOCl facet; Chlorinated phenols; BiOCl/ZnO; La-doped composites
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Funding
- scientific research projects unit of Mula Stk Kocman University [15/139]
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In this study, various catalysts were prepared and characterized using different techniques to investigate their photocatalytic activity. La-doped BiOCl/ZnO catalyst showed higher photocatalytic activity.
Herein, ZnO, BiOCl, lantanium-doped ZnO, BiOCl and BiOCl/ZnO catalysts were prepared using facile precipitation. Samples were characterized by scanning electron microscopy (SEM-EDS), Brunauer-Emmet-Teller (BET), UV-vis diffuse reflectance (UV-vis DRS), photoelectron spectroscopy (XPS), X-ray powder diffraction (XRD), and photoluminescence (PL) techniques. Lanthanum has apparently changed the peak of pure ZnO and BiOCl. The defect at the fermi level to investigate photocatalysis was supported by PL. Photocatalytic activity of the prepared catalysis was investigated using 3-cholorophenol (3-CP) under visible light irradiation. La-doped BiOCl/ZnO catalysis showed higher photocatalytic activity. Results were attributed to the inhibition of charges (electrons/holes). Photo-generated holes and superoxide (h(+),O-2(center dot-)) radicals were main active species during the radical scavenging activity of 3-CP.
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