Zn-doped Bi2O2CO3: Synthesis, characterization and photocatalytic properties

被引：31
|
作者：
Guo, Gaijuan [1 ]
Yan, Hong [1 ]
机构：
[1] Harbin Univ Sci & Technol, Dept Chem Environm & Engn, Harbin 150040, Heilongjiang, Peoples R China
来源：
CHEMICAL PHYSICS | 2020年 / 538卷
基金：
中国国家自然科学基金;
关键词：
Zn-doped; Bi2O2CO3; Photocatalytic degradation; Methylene blue; HYDROTHERMAL SYNTHESIS; WASTE-WATER; MICROSPHERES; DEGRADATION; EFFICIENT;
D O I：
10.1016/j.chemphys.2020.110920
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
In this paper, a kind of photocatalyst Zn-doped Bi2O2CO3 was prepared by a mixed solvent hydrothermal method and characterized by relevant techniques. Through the optimization of experimental conditions, when n(Zn): n(Bi) = 0.5:1 and pH = 9, Zn-doped Bi2O2CO3 had the highest photocatalytic activity, and the degradation rate of methylene blue was 3.1 times higher than that of Bi2O2CO3. According to the free radical capture experiment, superoxide radical (center dot O-2(-)) and hole (h(+)) and are the decisive active substances in the photocatalytic process.
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页数：7
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