Influence of Hydrothermal Parameters on Photocatalytic Activity of BiVO4 for Degradation of Methylene Blue

被引:0
作者
Truong, Vinh-Tien [1 ,2 ]
Le, Pham-Ngoc-My [1 ,2 ]
Le, Minh-Vien [1 ,2 ]
机构
[1] Ho Chi Minh City Univ Technol HCMUT, Fac Chem Engn, 268 Ly Thuong Kiet St, Ho Chi Minh City 700000, Vietnam
[2] Vietnam Natl Univ Ho Chi Minh City, Linh Trung Ward, Ho Chi Minh City 720325, Vietnam
关键词
BiVO4; hydrothermal synthesis; Le Bail fit; MB degradation; multifaceted geometry; NANOPARTICLES; PERFORMANCE; MORPHOLOGY; FACETS; WATER; PH;
D O I
10.22146/ijc.99923
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
A facile hydrothermal method has been developed to improve the intrinsic photocatalytic activity of BiVO4. By assessing the effects of three key hydrothermal parameters (temperature, time, and pH levels) on catalyticperformance, optimal conditions for maximizing photocatalytic activity were identified. Characterization through XRD, FE-SEM, and UV-DRS demonstrates the crucial role of the (040) facet and reduced nonuniform compressive strain in enhancing the photocatalytic activity of bismuth vanadate. The sample synthesized at 200 degrees C, pH 1, with 10 h of hydrothermal treatment shows significant decolorization of methylene blue with a comparable rate constant. This study presents a promising approach to synthesizing high-performance photocatalysts through a straightforward synthesis process without the use of directing agents.
引用
收藏
页码:744 / 759
页数:16
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