Facile one step solvothermal synthesis and high visible light photocatalytic property of flower-like Bi2O3/BiOBr microspheres

被引：12
|
作者：
Ren, Yulan [1 ,2 ]
Yang, Yingying [2 ]
Jing, Xue [2 ]
Wang, Xue [1 ]
Song, Hang [2 ]
机构：
[1] Mudanjiang Normal Univ, Coll Chem & Chem Engn, Mudanjiang 157011, Peoples R China
[2] Heilongjiang Prov Key Lab New Carbon Based Funct, Mudanjiang 157011, Peoples R China
来源：
MATERIALS LETTERS | 2019年 / 257卷
关键词：
Photocatalysis; Bi2O3/BiOBr; Solvothermal; BIOBR; PERFORMANCE;
D O I：
10.1016/j.matlet.2019.126681
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We used facile one step solvothermal method to fabricate Bi2O3/BiOBr microspheres with porous flower-like structure which has good photocatalytic degradation ability to Rhodamine B. Meanwhile, the active species during photocatalytic reaction were explored. The results showed that the catalytic activity of Bi2O3/BiOBr was higher than that of BiOBr. After 140 min' irradiation with 7 W LED lamp, the degradation efficiency of the Bi2O3/BiOBr photocatalyst reached 91.4%. The larger specific surface area and higher visible light utilization both improved the photocatalytic activity. center dot O-2 and h(+) played a major role in the reaction process. (C) 2019 Elsevier B.V. All rights reserved.
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页数：4
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