Ag3PO4/GO光催化剂的制备及性能研究

doi:10.16039/j.cnki.cn22-1249.2020.01.002

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摘要

以氧化石墨烯(GO)为基底，利用离子交换法制备了球形和立方体表面结构的Ag₃PO₄/GO复合光催化剂。通过X射线衍射(XRD)、扫描电子显微镜(SEM)和紫外-可见光谱(UV-Vis DRS)对样品进行了表征。罗丹明B的光催化降解实验结果表明：Ag₃PO₄/GO催化剂在100 min内对20 mg/L罗丹明B的去除率可达98.5%，明显高于球形Ag₃PO₄ (83.8%)及立方形Ag₃PO₄ (88.1%)。另外，Ag₃PO₄/GO复合材料在光催化降解重复性实验中表现出良好的稳定性，循环五次后对罗丹明B的去除率仍可达95%以上。

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	金华
	王贵海
	刘宝军
	任东升
	王康静
	王大悦
	刘蓉
	姚彭博

关键词: Ag₃PO₄/GO 光催化剂罗丹明B 废水

Abstract:

Ag₃PO₄/GO photocatalysts with spherical and cubic surface structures were synthesized via ion exchange method using graphene oxide (GO) as a carrier. The properties of Ag₃PO₄/GO catalysts were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM) and UV-Vis diffuse reflectance spectroscopy (UV-Vis DRS). The capability of the catalysts was evaluated by rhodamine B (RhB) degradation experiments. The results showed that under the same conditions, 98.5% of RhB was removed by cubic Ag₃PO₄/GO in 100 min, which was significantly higher than that of pure spherical Ag3PO4 (83.8%) , cubic Ag₃PO₄ (88.1%). Moreover, the cubic Ag₃PO₄/GO catalysts exhibited perfect stability in photocatalytic degradation, and the removal rate of rhodamine B could still reach more than 95% after five reaction cycles.

Key words: Ag₃PO₄/GO photocatalyst rhodamine B wastewater

出版日期: 2020-01-25 发布日期: 2020-01-25 整期出版日期: 2020-01-25

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引用本文:

金华, 王贵海, 刘宝军, 任东升, 王康静, 王大悦, 刘蓉, 姚彭博. Ag₃PO₄/GO光催化剂的制备及性能研究[J]. 吉林化工学院学报, 2020, 37(1): 8-12.
JIN Hua, WANG Guihai, LIU Baojun, REN Dongsheng, WANG Kangjing, WANG Dayue, LIU Rong, YAO Pengbo. Fabrication and photocatalytic properties of Ag₃PO₄/GO photocatalyst . Journal of Jilin Institute of Chemical Technology, 2020, 37(1): 8-12.

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http://xuebao.jlict.edu.cn/CN/10.16039/j.cnki.cn22-1249.2020.01.002 或 http://xuebao.jlict.edu.cn/CN/Y2020/V37/I1/8

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