Large improvement of visible-light-driven photocatalytic property in AgCl nanoparticles modified black BiOCl microsphere

被引：26
|
作者：
Cheng, Jiushan [1 ]
Wang, Cong [1 ]
Cui, Yinfang [1 ]
Sun, Ying [1 ]
Zuo, Ying [1 ]
Wang, Tianming [1 ]
机构：
[1] Beihang Univ, Dept Phys, Ctr Condensed Matter & Mat Phys, Beijing 100191, Peoples R China
来源：
MATERIALS LETTERS | 2014年 / 127卷
基金：
中国国家自然科学基金;
关键词：
AgCl/BiOCl; Photocatalyst; Semiconductors; Nanocomposites; Visible-; light-driven; HIGHLY EFFICIENT; AGBR; IRRADIATION; BI;
D O I：
10.1016/j.matlet.2014.04.012
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this paper, AgCl/BiOCl composite nanostructure has been synthesized by a facile ion exchange route between black BiOCl microsphere and AgNO3 solution. The as-obtain products are characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), energy dispersive X-ray analysis (EDX), and X-ray photoelectron spectroscopy (XPS). Photodegradation experiments show that the photocatalytic activity of AgCl/BiOCl composite nanostructure is improved greatly by composited AgCl nanoparticles, compared with pure black BiOCI microsphere. The excellent photocatalytic activity of AgCl/BiOCl composite nanostructure with special surface morphology may be attributed to decreasing recombination of the photo-excited electron-hole pairs. In addition, AgCl/BiOCl composite possesses strong absorption to visible light which can also improve the photocatalytic efficiency. (C) 2014 Elsevier B.V. All rights reserved.
引用
收藏
页码：28 / 31
页数：4
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