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Fabrication of a three-dimensional BiOBr/BiOI photocatalyst with enhanced visible light photocatalytic performance

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成果类型:
期刊论文
作者:
Lin, Li;Huang, Manhong;Long, Liping;Sun, Zhe;Zheng, Wei;...
通讯作者:
Chen, Donghui
作者机构:
[Chen, Donghui; Zheng, Wei; Huang, Manhong; Lin, Li; Sun, Zhe] Donghua Univ, Sch Environm Sci & Engn, Shanghai 201620, Peoples R China.
[Long, Liping; Lin, Li] Hunan City Univ, Sch Chem & Environm Engn, Yiyang 413000, Peoples R China.
通讯机构:
[Chen, Donghui] D
Donghua Univ, Sch Environm Sci & Engn, Shanghai 201620, Peoples R China.
语种:
英文
关键词:
BiOBr/BiOI;Photocatalyst;Rhodamine B;Tetracycline;Visible light
期刊:
Ceramics International
ISSN:
0272-8842
年:
2014
卷:
40
期:
8
页码:
11493-11501
基金类别:
Fig. 1 shows the XRD patterns of the as-synthesized samples. All the diffraction peaks in Fig. 1a and e can be indexed to the tetragonal BiOI phase (JCPDS card no. 10-0445) with lattice constants of a=b=3.994 Å, c=9.149 Å and the tetragonal BiOBr phase (JCPDS card no. 09-0393) with lattice constants of a= b=3.926 Å, c=8.103 Å, respectively. No characteristic peaks of other crystalline impurities were observed. With increasing amounts of BiOBr in the BiOBr/BiOI composites (Fig. 1b–d), the
机构署名:
本校为其他机构
院系归属:
材料与化学工程学院
摘要:
Three-dimensional (3D) BiOBr/BiOI hierarchical microsphere photocatalysts were successfully synthesized via a facile one-pot solvothermal method. The as-prepared samples were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), energy dispersive spectrometry (EDS), UV-vis diffuse reflectance spectroscopy (UV-vis DRS) and N2 adsorption-desorption isotherms. The photocatalytic activity was evaluated by the photocatalytic degradation of Rhodamine B (RhB) and tetracycline (TC) under visible light irradiation (λ>420 nm). Th...

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