Fe3O4 coupled BiOCl: A highly efficient magnetic photocatalyst
Fe3O4 coupled BiOCl: A highly efficient magnetic photocatalyst
复制标题
Fe3O4 偶联 BiOCl：高效磁性光催化剂
DOI：
10.1016/j.apcatb.2009.04.005
复制
发表时间：
2009-08-17
影响因子：
22.1
通讯作者：
Sun, Songmei
中科院分区：
文献类型：
--
作者：
Zhang, Ling;Wang, Wenzhong;Sun, Songmei
制备了磁性光催化剂Fe 3 O 4/BiOCl纳米复合材料，并通过X射线衍射（XRD）、透射电镜（TEM）、高分辨电镜（HRTEM）和物理性能测试系统（PPMS）对其进行了表征。结果表明，Fe_3O_4/BiOCl是一种有效的光催化剂。与传统的核-壳型磁性光催化剂（如Fe 3 O 4/TiO 2体系）相比，Fe 3 O 4/BiOCl具有与BiOCl相同的光催化活性。该体系的高催化活性可能与其偶联结构和特殊的界面有关，即降低了载体结合的几率。此外，超顺磁性Fe 3 O 4/BiOCl不仅可以很容易地回收，而且可以通过施加外磁场流化。(C)2009爱思唯尔有限公司版权所有。
The magnetic photocatalyst, Fe3O4/BiOCl nanocomposite, was prepared and characterized by X-ray diffraction (XRD), transmission electron microscopy (TEM) and high-resolution TEM (HRTEM), physical property measurement system (PPMS). It was found that Fe3O4/BiOCl was an effective photocatalyst to degrade the organic dyes. Compared with the conventional core-shell magnetic photocatalysts, such as Fe3O4/TiO2 system which dramatically lost their intrinsically photocatalytic activity due to the introduction of the magnetic core, the as-synthesized Fe3O4/BiOCl reserved as high photocatalytic activity as that of BiOCl. The high catalytic activity possibly involved in a coupled structure and the special interfaces, that is, the probability of combination of the carriers could be reduced in this system. Moreover, the superparamagnetic Fe3O4/BiOCl can be not only easily recycled but also fluidized by applying an external magnetic field. (C) 2009 Elsevier B.V. All rights reserved.