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    题名: Fabrication and Characterization of Visible-Light-Driven Plasmonic Photocatalyst Ag/AgCl/TiO2 Porous Structure
    作者: Lee, Po-Ching;Yang, Zheng-Rong;Kuo, Chun-Yu;Shin, Chung-Hao;Lin, Ching-Bin
    关键词: azo dye;E. coli;fused filament fabrication;reliability;silver chloride;titanium dioxide
    日期: 2022-11-15
    上传时间: 2023-07-03 12:05:16 (UTC+8)
    出版者: Springer New York LLC
    摘要: An advanced three-dimensional printing process for producing the silver clusters/ Silver(I) chloride/titanium dioxide-coupled photocatalyst was developed and tested for its stability and degradability in relation to azo dye (Orange II) and bacteria (Escherichia coli). The titanium dioxide structure is produced through fused filament fabrication (FFF) with filaments of thermoplastic material, which is composed of titanium dioxide anatase nanoparticles, high density polyethylene (HDPE), stearic acid, wax, and plasticizer. The TiO2 structure is then solvent degreased, thermal degreased, and sintered to become a fundamental structure to couple the AgCl particles through an ion exchange process. Following the photoreduction of UV radiation, a silver clusters/Silver(I) chloride/titanium dioxide-coupled photocatalyst is formed. In our experiments, the degradation of Orange II dye and E. coli was performed under visible and ultraviolet light irradiation. The degradation kinetics of Orange II dye was a first-order reaction, with the degradability (94%) persisting for five cycles. The sterilization of E. coli was accomplished within 120 min, and the degradation kinetics were characteristic of a hyperbolic reaction. The photocatalytic module prepared through FFF not only exhibited the ability to degrade contaminants in water but also exhibited durability and reliability after repeated use.
    關聯: Journal of Materials Engineering and Performance 105
    DOI: 10.1007/s11665-022-07624-4
    显示于类别:[機械與機電工程學系暨研究所] 期刊論文

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