Fabrication of novel Cu2O/Bi24O31Br10 composites and excellent photocatalytic performance

被引：57
作者：
He, Zuming [1 ,4 ]
Tang, Bin [1 ,4 ]
Su, Jiangbin [1 ,4 ]
Xia, Yongmei [2 ,3 ]
机构：
[1] Changzhou Univ, Huaide Coll, Jingjiang 214500, Peoples R China
[2] Jiangsu Univ Technol, Sch Mat & Engn, Changzhou 213001, Peoples R China
[3] Changzhou Univ, Jiangsu Key Lab Mat Surface Sci & Technol, Changzhou 213164, Peoples R China
[4] Changzhou Univ, Sch Math & Phys, Changzhou 213164, Peoples R China
来源：
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS | 2018年 / 29卷 / 22期
关键词：
HIGHLY EFFICIENT; HETEROJUNCTION; NANOCOMPOSITES; DEGRADATION; NANOSHEETS; MECHANISM; OXIDATION; PROPERTY; BI4O5BR2; GROWTH;
D O I：
10.1007/s10854-018-0085-y
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This was the first report that novel Cu2O/Bi24O31Br10 heterostructure composites were synthesized by calcination-chemical reduction method. The as-prepared products were characterized by X-ray diffractometer (XRD), X-ray photoelectron spectroscopy (XPS), field-emission scanning electron microscope (FE-SEM), energy-disperse X-ray (EDS), photoluminescence (PL) spectroscopy, and ultraviolet-visible diffuse reflectance (UV-Vis DRS) spectroscopy. The photocatalytic activity of the samples was evaluated by the degradation of Methylene blue (MB) under visible light irradiation. The Cu2O/Bi24O31Br10 heterostructure composites show enhanced visible-light photocatalytic activity, which results from the efficient separation of photo-generated electron/hole pairs. The composites also exhibit good stability and recycling capacity in the photocatalytic process. Furthermore, radical scavenging experiments confirm that the reactive OH radicals play an important role in the photocatalytic reaction.
引用
收藏
页码：19544 / 19553
页数：10
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