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利用热喷涂技术制备二氧化钛光催化涂层研究现状与展望
引用本文:付耀耀,李华.利用热喷涂技术制备二氧化钛光催化涂层研究现状与展望[J].热喷涂技术,2019,11(1):1-8.
作者姓名:付耀耀  李华
作者单位:中国科学院宁波材料技术与工程研究所海洋新材料与应用技术重点实验室浙江省海洋材料与防护技术重点实验室;中国科学院大学材料与光电研究中心
摘    要:纳米二氧化钛(TiO_2)因稳定、廉价、无毒等优势,成为研究与应用最广泛的光催化剂。为了解决颗粒状催化剂难以回收、易于造成二次污染等缺点,制备TiO_2涂层是较为理想的选择。热喷涂技术具有成本低、效率高、容易实现大面积制备等优势,在Ti O2涂层制备研究中得到广泛关注。基于此,本文综述了等离子喷涂、火焰喷涂、超音速火焰喷涂、冷喷涂技术在制备纳米TiO_2涂层方面的研究现状,并分析了影响TiO_2涂层光催化性能的关键制备因素,讨论了多种热喷涂技术在涂层微观结构控制与性能调控方面的研究现状,并对未来发展做了展望。

关 键 词:TiO2    热喷涂涂层  光催化  微观结构  性能调控

Research Status and Prospect of Thermal Spray Fabrication of Nano-Titania Photocatalytic Coatings
Yaoyao Fu and Hua Li.Research Status and Prospect of Thermal Spray Fabrication of Nano-Titania Photocatalytic Coatings[J].Thermal Spray Technology,2019,11(1):1-8.
Authors:Yaoyao Fu and Hua Li
Affiliation:Key Laboratory of Marine Materials and Related Technologies, Zhejiang Key Laboratory of Marine Materials and Protective Technologies, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences; Center of Materials Science and Optoelectronics Engineering and Key Laboratory of Marine Materials and Related Technologies, Zhejiang Key Laboratory of Marine Materials and Protective Technologies, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences
Abstract:Titanium dioxide (TiO2) has been emerging as the most extensively studied photocatalyst due to its advantages of physicochemical stability, cost efficiency and non-toxicity. To tackle the difficulties in recycling the particulate photocatalyst and the problems of potential secondary pollution, practical use of TiO2 in coating form has been an ideal choice. Thermal spray technology offers the advantages of high coating fabrication efficiency and ease of economic large-scale deposition, and has attracted attention in making nano-TiO2 coatings. This paper reviews the current research status of plasma spray, flame spray, high velocity oxy-fuel spray and cold spray techniques in depositing TiO2 coatings for photocatalytic performances. Correlation between the key spray factors and the properties of the photocatalytic coatings is summarized. The tailored microstructure and photocatalytic activities of the coatings made by the various thermal spray techniques are comprehensively discussed, and the prospective development of thermal sprayed photocatalytic coatings is addressed.
Keywords:Titanium dioxide  Thermal spray coatings  Photocatalysis  Microstructure  Photocatalytic properties  
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