Citation: WANG Jing-Ling, DONG Man-Ru, ZHANG Qi-Cheng, LIN Wen-Song, XING Yu. Preparation of Bi₂MoO₆ Microspheres with Hollow Structure and Degradation Performance of Ofloxacin Antibiotics[J]. Chinese Journal of Inorganic Chemistry, ;2020, 36(5): 827-834. doi: 10.11862/CJIC.2020.098 shu

Preparation of Bi₂MoO₆ Microspheres with Hollow Structure and Degradation Performance of Ofloxacin Antibiotics

1.
School of Materials Engineering, Shanghai University of Engineering Science, Shanghai 201620, China
2.
School of Materials Engineering, Nanjing University of Science and Technology, Nanjing 210094, China

Corresponding author: LIN Wen-Song, wslin@sues.edu.cn
Received Date: 21 October 2019
Revised Date: 28 February 2020

Figures(8)

Hollow microsphere Bi₂MoO₆ photocatalyst was prepared by alcohol synthesis and high temperature annealing using sodium molybdate and lanthanum nitrate pentahydrate as raw materials. The microstructure, specific surface area and optical characteristics of as-prepared Bi₂MoO₆ were characterized by X-ray diffraction (XRD), infrared spectroscopy (FTIR), field emission scanning electron microscopy (FESEM), high resolution transmission electron microscopy (HRTEM), physical adsorption analyzer, ultraviolet-visible diffuse reflectance (UV-Vis DRS), fluorescence spectroscopy (PL) and electrochemical test. The photocatalytic performance of Bi₂MoO₆ on the aqueous solution of ofloxacin (OFX) was investigated under the visible light. The results show that average diameter (500 nm) of the hollow Bi₂MoO₆ was synthesized with as more 5 times of the specific surface area as the sheet Bi₂MoO₆. The hollow Bi₂MoO₆ provides a large number of adsorption sites for reactants. The degradation rate of OFX (pH=7, 10 mg·L^-1) by 1 g·L^-1 hollow Bi₂MoO₆ reach 64% under 120 min visible light irradiation, while the sheet Bi₂MoO₆ under the same conditions was only 31%. The hollow spherical Bi₂MoO₆ showed the excellent photocatalytic capacity in strong alkaline environment, and the degradation rate of OFXreached 79%, which has a high utilization value in alkaline environment.
- bismuth molybdate,
- hollow microspheres,
- alcohol synthesis,
- photocatalysis,
- ofloxacin
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沈阳化工大学材料科学与工程学院沈阳 110142

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通讯作者: 陈斌, bchen63@163.com

Preparation of Bi₂MoO₆ Microspheres with Hollow Structure and Degradation Performance of Ofloxacin Antibiotics