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http://dx.doi.org/10.9713/kcer.2020.58.2.313

The Synthesis of Bi2WO6 by Hydrothermal Process and Their Photocatalytic Activity  

Hong, Seong-Soo (Department of Chemical Engineering, Pukyong National University)
Publication Information
Korean Chemical Engineering Research / v.58, no.2, 2020 , pp. 313-318 More about this Journal
Abstract
Bi2WO6 were successfully synthesized using EGME, GL, EG and water as solvents by a conventional hydrothermal method. They were characterized by XRD, DRS, BET and SEM and we also investigated the photocatalytic activity of these materials for the decomposition of Rhodamin B under visible light irradiation. The XRD results revealed the successful synthesis well-crystallized Bi2WO6 crystals with Aurivillius structure when EGME and EG are used as solvents. In addition, the well-crystallized Bi2WO6 crystals showed the flower-like structure. The Bi2WO6 catalysts prepared at 180 ℃ using EGME as a solvent showed the highest photocatalytic activity. The Bi2WO6 catalysts prepared at mole ratio of H2O/EGME more than 50% showed high photocatalytic activity.
Keywords
$Bi_2WO_6$ catalysts; Hydrothermal method; Photocatalytic decomposition of Rhodamin B;
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