BiOX (X = Cl, Br, and I) Nanoplates Prepared by Surfactant-Free Microwave Synthesis and Their Photocatalytic Performance


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Resumo

Bismuth oxyhalide (BiOX; X = Cl, Br, and I) nanoplates were successfully synthesized by microwave irradiation of surfactant-free aqueous solutions. X-rays diffraction (XRD), scanning electron microscopy (SEM) and transmission electron microscopy (TEM) revealed the presence of pure tetragonal BiOX (X = Cl, Br, and I) nanoplates. Photocatalytic activity of BiOX nanoplates was studied in visible light photodegradation of methyl orange (MO) as model dye. In this research, the photocatalytic efficiencies of BiOBr, BiOCl, and BiOI in photodegradation of MO induced by visible light within 300 min were 87.2, 73.1, and 69.7% and were higher than that of TiO2 Degussa P25 (29.2%).

Sobre autores

Panudda Patiphatpanya

Department of Chemistry, Faculty of Science, Chiang Mai University; The Graduate School, Chiang Mai University

Email: ttpthongtem@yahoo.com
Tailândia, Chiang Mai, 50200; Chiang Mai, 50200

Nuengruethai Ekthammathat

Program of Chemistry, Faculty of Science and Technology, Bansomdejchaopraya Rajabhat University

Autor responsável pela correspondência
Email: nueng_omam@hotmail.com
Tailândia, Bangkok, 10600

Anukorn Phuruangrat

Department of Materials Science and Technology, Faculty of Science, Prince of Songkla University

Autor responsável pela correspondência
Email: phuruangrat@hotmail.com
Tailândia, Hat Yai, Songkhla, 90112

Somchai Thongtem

Department of Physics and Materials Science, Faculty of Science, Chiang Mai University; Materials Science Research Center, Faculty of Science, Chiang Mai University

Email: ttpthongtem@yahoo.com
Tailândia, Chiang Mai, 50200; Chiang Mai, 50200

Titipun Thongtem

Department of Chemistry, Faculty of Science, Chiang Mai University; Materials Science Research Center, Faculty of Science, Chiang Mai University

Autor responsável pela correspondência
Email: ttpthongtem@yahoo.com
Tailândia, Chiang Mai, 50200; Chiang Mai, 50200

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