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Zeng S, Tang R, Duan S, et al. Kinetically controlled synthesis of bismuth tungstate with different structures by a NH4F assisted hydrothermal method and surface-dependent photocatalytic properties. J Colloid Interface Sci. 2014;432:236-45doi: 10.1016/j.jcis.2014.06.042.
Zeng, S., Tang, R., Duan, S., Li, L., Liu, C., Gu, X., Wang, S., & Sun, D. (2014). Kinetically controlled synthesis of bismuth tungstate with different structures by a NH4F assisted hydrothermal method and surface-dependent photocatalytic properties. Journal of colloid and interface science, 432236-45. https://doi.org/10.1016/j.jcis.2014.06.042
Zeng, Suyuan, et al. "Kinetically controlled synthesis of bismuth tungstate with different structures by a NH4F assisted hydrothermal method and surface-dependent photocatalytic properties." Journal of colloid and interface science vol. 432 (2014): 236-45. doi: https://doi.org/10.1016/j.jcis.2014.06.042
Zeng S, Tang R, Duan S, Li L, Liu C, Gu X, Wang S, Sun D. Kinetically controlled synthesis of bismuth tungstate with different structures by a NH4F assisted hydrothermal method and surface-dependent photocatalytic properties. J Colloid Interface Sci. 2014 Oct 15;432:236-45. doi: 10.1016/j.jcis.2014.06.042. Epub 2014 Jun 30. PMID: 25086718.
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J Colloid Interface Sci. 2014 Oct 15;432:236-45. doi: 10.1016/j.jcis.2014.06.042. Epub 2014 Jun 30.

Kinetically controlled synthesis of bismuth tungstate with different structures by a NH4F assisted hydrothermal method and surface-dependent photocatalytic properties.

Journal of colloid and interface science

Suyuan Zeng, Rongfeng Tang, Shengxia Duan, Lei Li, Caihua Liu, Xianli Gu, Saisai Wang, Dezhi Sun

Affiliations

  1. Shandong Provincial Key Laboratory of Chemical Energy Storage and Novel Cell Technology, Department of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng 252059, China. Electronic address: [email protected].
  2. Shandong Provincial Key Laboratory of Chemical Energy Storage and Novel Cell Technology, Department of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng 252059, China.
  3. Shandong Provincial Key Laboratory of Chemical Energy Storage and Novel Cell Technology, Department of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng 252059, China. Electronic address: [email protected].

PMID: 25086718 DOI: 10.1016/j.jcis.2014.06.042

Abstract

Controlled synthesis of well-shaped nanocrystals is of significant importance to understand the surface-related properties. Herein, hierarchical Bi2WO6 particles with different morphologies, such as flower-like and pancake-like morphologies were selectively prepared using a simple fluoride ion-assisted hydrothermal process. Morphological modulation of the samples could be easily realized by controlling the initial amount of NH4F. The effect of NH4F as well as the formation mechanism of these Bi2WO6 hierarchical structures were systematically investigated. The morphological control of the final products are proved to be a kinetic control of the reaction, which is closely related to the concentration of fluoride ion in the solution. The as-obtained hierarchical Bi2WO6 particles exhibit different visible-light-driven photo-catalytic activities for the degradation of Rhodamine-B (RhB). The differences in photo-catalytic activities among the as-obtained samples are associated the surface adsorption properties, which result from the synthetic conditions.

Copyright © 2014 Elsevier Inc. All rights reserved.

Keywords: Bismuth tungstate; Fluoride assisted synthesis; Kinetic control; Morphological control; Visible-light-driven photocatalysis

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