Preparation and photocatalytic properties of Bi2Zr2O7 photocatalyst

被引：18
|
作者：
Wu, Deyong [1 ,2 ]
He, Tingting [2 ]
Xia, Jin [2 ]
Tan, Yuanbin [2 ]
机构：
[1] Hubei Univ Nationalities, Key Lab Biol Resources Protect & Utilizat Hubei P, Enshi 445000, Hubei Province, Peoples R China
[2] Hubei Univ Nationalities, Sch Chem & Environm Engn, Enshi 445000, Hubei Province, Peoples R China
来源：
MATERIALS LETTERS | 2015年 / 156卷
基金：
中国国家自然科学基金;
关键词：
Semiconductors; Bi2Zr2O7; Nanoparticles; Microstructure; Photocatalytic activity; SOLVOTHERMAL SYNTHESIS; DEGRADATION; DYE;
D O I：
10.1016/j.matlet.2015.05.107
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Bismuth zirconate complex oxides (Bi2Zr2O7) with various novel morphologies were successfully prepared via a facile sedimentation-calcination method. The structure, morphology, composition and light absorption properties were characterized with X-ray diffraction, X-ray photoelectron spectroscopy, transmission electron microscopy, high-resolution transmission electron microscopy and UV-vis diffuse reflectance. The photocatalytic activity of Bi2Zr2O7 photocatalyst was tested in the reduction of methyl orange under solar light irradiation. The results showed that the prepared sample exhibited irregular morphology with features ranging from 20 to 50 nm in size, had a direct band gap of 2.59 eV and displayed effective photocatalytic activity under simulated solar irradiation. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码：195 / 197
页数：3
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