期刊
APPLIED SURFACE SCIENCE
卷 256, 期 7, 页码 2215-2222出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.apsusc.2009.09.076
关键词
Bismuth vanadate; Hydrothermal treatment; Visible-light photocatalysis; Dye degradation
类别
资金
- Key Project of Chinese Ministry of Education [308008]
- the Program for Changjiang Scholars and Innovative Research Team in University
- Natural Science Fund Council of China [20873018, 50878041]
- Analysis and Testing Foundation of Northeast Normal University
Bismuth vanadates (BiVO4) with various crystal structures (tetragonal scheelite, monoclinic scheelite, and tetragonal zircon) and morphologies (sphere-, nanosheet-, dendrite-, and flower-like) were controllably fabricated by using amild additive-free hydrothermal treatment process under the different preparation conditions. The crystal structures, morphologies, and photophysical properties of the products were well-characterized. Subsequently, their UV- as well as visible-light photocatalytic performance was evaluated via dyes rhodamine B (RB) and methylene blue (MB) degradation. Special attention was paid to evaluate the correlation of the reactivity with crystal structure, morphology, and electronic structure of as-prepared BiVO4 samples. (C) 2009 Elsevier B.V. All rights reserved.
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