Facile synthesis of Ag 3 PO 4  microcrystals and its enhanced photocatalytic disinfection | Zendy

Tseng ChiShun | Zendy; Wu Tsunghsueh | Zendy; Lin YangWei | Zendy

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Facile synthesis of Ag 3 PO 4 microcrystals and its enhanced photocatalytic disinfection

Author(s) -

Tseng ChiShun,

Wu Tsunghsueh,

Lin YangWei

Publication year - 2018

Publication title -

micro and nano letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.25

H-Index - 31

ISSN - 1750-0443

DOI - 10.1049/mnl.2018.5049

Subject(s) - photocatalysis , materials science , chemical engineering , nanotechnology , nuclear chemistry , chemistry , catalysis , organic chemistry , engineering

Facile synthesis of silver phosphate (Ag 3 PO 4 ) microcrystals was developed for the novel application in the disinfection of pathogens with visible light. Ag 3 PO 4 microcrystals from different synthesis routes were produced and characterised by scanning electron microscopy and UV–visible diffuse reflectance spectroscopy. The antibacterial activity of the Ag 3 PO 4 microcrystals was also evaluated for its effectiveness in eradicating pathogens ( Escherichia coli and Staphylococcus aureus ) under white‐light light‐emitting‐diode irradiation. The prepared Ag 3 PO 4 microcrystals displayed higher and more stable photocatalytic antibacterial activity (>99% eradication rate within 10 min) comparing to Ag + ions used only. This can be attributed to the oxidation of the photogenerated hole and the adsorption of Ag + ions. This study demonstrated the strong photocatalytic activity of the as‐prepared Ag 3 PO 4 microcrystals, promising for industrial applications related to the eradication of pathogens from wastewater.

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