Hydrothermal synthesis of hierarchical flower-like Bi2WO6 microspheres with enhanced visible-light photoactivity

被引：32

作者：

Liu, Yumin ^{[1
]}

Ding, Zhiwei ^{[1
]}

Lv, Hua ^{[1
]}

Guang, Jing ^{[1
]}

Li, Shuang ^{[1
]}

Jiang, Juhui ^{[1
]}

机构：

[1] Henan Normal Univ, Sch Chem & Chem Engn, Collaborat Innovat Ctr Henan Prov Green Mfg Fine, Xinxiang 453007, Henan, Peoples R China

来源：

MATERIALS LETTERS | 2015年 / 157卷

基金：

中国国家自然科学基金;

关键词：

Bi2WO6; F127; Semiconductor; Crystal growth; PHOTOCATALYTIC ACTIVITY;

D O I：

10.1016/j.matlet.2015.05.024

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Three-dimensional (3D) hierarchical flower-like Bi2WO6 microspheres assembled from 20 nanosheets were successfully prepared by a simple hydrothermal route using the non-ionic surfactant F127 (EO100PO65-EO100) as the morphology director. On the basis of the evolution of the morphologies as a function of reaction time, a possible formation mechanism for the hierarchical architecture was proposed. The photocatalytic activities of the as-prepared Bi2WO6 samples were evaluated for the degradation of Rhodamine B (RhB) under visible-light irradiation. Due to the combined effects of large surface area and efficient separation of charge carriers, the hierarchical flower-like Bi2WO6 microspheres exhibited improved photocatalytic performances. (C) 2015 Elsevier B.V. All rights reserved.

引用

页码：158 / 162

页数：5

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