Additive-free controllable fabrication of bismuth vanadates and their photocatalytic activity toward dye degradation

被引：137

作者：

Guo, Yingna ^{[1
,2
]}

Yang, Xia ^{[2
]}

Ma, Fengyan ^{[2
]}

Li, Kexin ^{[2
]}

Xu, Lei ^{[1
]}

Yuan, Xing ^{[1
]}

Guo, Yihang ^{[2
]}

机构：

[1] NE Normal Univ, Coll Urban & Environm Sci, Changchun 130024, Peoples R China

[2] NE Normal Univ, Fac Chem, Changchun 130024, Peoples R China

来源：

APPLIED SURFACE SCIENCE | 2010年 / 256卷 / 07期

关键词：

Bismuth vanadate; Hydrothermal treatment; Visible-light photocatalysis; Dye degradation; VISIBLE-LIGHT IRRADIATION; CRYSTALLINE BIVO4; HYDROTHERMAL PREPARATION; EFFICIENT DEGRADATION; ORGANIC CONTAMINANTS; TIO2; DECOMPOSITION; SILVER; WATER; CONFIGURATION;

D O I：

10.1016/j.apsusc.2009.09.076

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

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.

引用

页码：2215 / 2222

页数：8

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