Ag 2 O Decorated ZnO Nanorods Demonstrating Two-Step Visible-Light Photocatalytic Dye-Degradation Phenomena

ZnO/Ag 2 O heterostructures, as the functional materials for photodegradation of MB dye under visible light irradiation, have been grown using inexpensive hydrothermal and ultrasonic-assisted synthetic routes. The heterostructures have revealed wurtzite ZnO peaks that demonstrate its highly crystall...

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Bibliographic Details
Published in:IOP conference series. Materials Science and Engineering 2022-03, Vol.1221 (1), p.12047
Main Authors: Sahu, Payel, Das, Debajyoti
Format: Article
Language:English
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Summary:ZnO/Ag 2 O heterostructures, as the functional materials for photodegradation of MB dye under visible light irradiation, have been grown using inexpensive hydrothermal and ultrasonic-assisted synthetic routes. The heterostructures have revealed wurtzite ZnO peaks that demonstrate its highly crystalline and hexagonal structure, as well as the cubic Ag 2 O peaks. The ZnO/Ag 2 O photocatalyst has demonstrated two-step dye degradation slopes, with the higher-slope arising later in the process when the metallic-Ag traps the valence electrons of Ag 2 O nanoparticles and advances e – /h + separation across the ZnO/Ag 0 /Ag 2 O heterojunction structures, making them readily accessible for superior dye degradation.
ISSN:1757-8981
1757-899X
DOI:10.1088/1757-899X/1221/1/012047