Enhanced photocatalytic activity and stability of TiO2/graphene oxide composites coatings by electrophoresis deposition

被引：0
|
作者：
Guan, Sujun [1 ,2 ]
Hao, Liang [3 ]
Yoshida, Hiroyuki [4 ]
Itoi, Takaomi [5 ]
Cheng, Yanling [6 ]
Seki, Satoshi [5 ]
Nishina, Yuta [7 ]
Lu, Yun [5 ]
机构：
[1] Department of Physics, Tokyo University of Science, Tokyo, Japan
[2] International Institute for Urban Systems Engineering, Southeast Uninversity, Nanjing, China
[3] College of Mechanical Engineering, Tianjin University of Science and Technology, Tianjin, China
[4] Chiba Industrial Technology Research Institute, Chiba, Japan
[5] Graduate School and Faculty of Engineering, Chiba University, Chiba, Japan
[6] Beijing Key Laboratory of Biomass Waste Resource Utilization, Beijing Union University, Beijing, China
[7] Graduate School of Natural Science and Technology, Okayama University, Okayama, Japan
来源：
Materials Letters | 2021年 / 286卷
关键词：
Surface morphology - Charge transfer - Graphene - Morphology - Photocatalytic activity - Deposition - Electrophoresis - TiO2 nanoparticles - Composite coatings;
D O I：
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中图分类号：
学科分类号：
摘要：
To enhanced photocatalytic activity and stability of titania (TiO2) coatings, graphene oxide (GO) forms on the surface of TiO2 coatings is fabricated by electrophoretic deposition (EPD). The results show the effect of EPD time on the formed hydroxyl groups from GO is significant, especially the controllable amount of GO by adjusting EPD time. The change in surface morphology of the GO on TiO2 coatings is obvious, showing an increased amount of GO. Owing to the effect of charge transfer between TiO2 and GO, the TiO2/GO composites coatings exhibit excellent and stable photocatalytic activity. Notably, the cycle result of the sample after ultrasonic cleaning every 10 min reveal that the combination of TiO2 and GO is satisfactory. © 2020 Elsevier B.V.
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