Citation: Hai-Bo CHANG, Jun-Bo LIU, Zheng DONG, Dan-Dan WANG, Yu XIN, Zhuo-Lin JIANG, Shan-Shan TANG. Enhancement of Photocatalytic Degradation of Polyvinyl Chloride Plastic with Fe₂O₃ Modified AgNbO₃ Photocatalyst under Visible-light Irradiation[J]. Chinese Journal of Structural Chemistry, ;2021, 40(12): 1595-1603. doi: 10.14102/j.cnki.0254-5861.2011-3217 shu

Enhancement of Photocatalytic Degradation of Polyvinyl Chloride Plastic with Fe₂O₃ Modified AgNbO₃ Photocatalyst under Visible-light Irradiation

College of Resource and Environmental Science, Jilin Agricultural University, Changchun 130118, China

Corresponding author: Jun-Bo LIU, liujb@mail.ccut.edu.cn
Received Date: 14 April 2021
Accepted Date: 12 July 2021

Fund Project: Science and Technology Department of Jilin Province 20200101018JCScience and Technology Department of Jilin Province 20190303086SFScience and Technology Department of Jilin Province 20200201011JC

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The solid-phase photocatalytic degradation of polyvinyl chloride (PVC) plastic with AgNbO₃/Fe₂O₃ is studied under visible-light irradiation. The PVC-(AgNbO₃/Fe₂O₃) samples are characterized by X-ray photoelectron spectroscope (XPS), scanning electron microscope (SEM), gas chromatography (GC), and UV-vis diffusion reflectance spectra (UV-vis DRS). The photocatalytic properties of PVC-(AgNbO₃/Fe₂O₃) samples are systematically investigated. More amounts of generated CO₂, greater texture change and higher weight loss rate were exhibited in the system of PVC-(AgNbO₃/Fe₂O₃) than pure PVC film. The weight loss rate is ten times higher than that of pure PVC film, which reaches to 46.53% with optimum amount of 0.5 wt% Fe₂O₃. Active radicals generate primarily on the surface of Fe₂O₃ particles, which cause composite plastic decomposition on the PVC-(AgNbO₃/Fe₂O₃) interface and extend into polymer interor. The study provides a new promising way to degrade the plastic waste under visible-light.
- photocatalytic degradation,
- polyvinyl chloride,
- AgNbO₃/Fe₂O₃
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Enhancement of Photocatalytic Degradation of Polyvinyl Chloride Plastic with Fe2O3 Modified AgNbO3 Photocatalyst under Visible-light Irradiation

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通讯作者: 陈斌, bchen63@163.com

Enhancement of Photocatalytic Degradation of Polyvinyl Chloride Plastic with Fe₂O₃ Modified AgNbO₃ Photocatalyst under Visible-light Irradiation