IMR OpenIR
Cold spray (P, N, Mo)-TiO2 photocatalytic coatings: synthesis, microstructural characterization and photocatalytic properties
Shen, Yanfang; Gyansah, L.; Song, Wan; Feng, Bo; Wang, Jiqiang; Cui, Xinyu; Tao, Yongshan; Xiong, Tianying
2019-09-01
Source PublicationMATERIALS RESEARCH EXPRESS
ISSN2053-1591
Volume6Issue:9
AbstractThe (P, N, Mo)-TiO2 photocatalyst particles were intuitively synthesized using spray the sol-gel method followed by the spray drying method. Imperatively, the (P, N, Mo)-TiO2 photocatalyst coatings were deposited on aluminum substrate by cold spraying. The (P, N, Mo)-TiO2 powders were initially prepared by sol-gel method, which exhibited the characteristics of a polygonal particle with a primary particle size of 20 nm and a mean size of 2 mu m. The synthesized (P, N, Mo)-TiO2 powders were agglomerated into spherical particles with a mean size of 5 mu m by spray drying method. The agglomerated powders depicted a good flowability, wettability and were suitable for cold spray deposition. The successful (P, N, Mo)-TiO2 coatings exhibited good interfacial bonding with the substrate, with an average coating thickness of 15 mu m. The properties of the synthesized (P, N, Mo)-TiO2 powders and coatings were analyzed by advanced modern techniques, including XRD, XPS, UV-vis, SEM and TEM. The photocatalytic performance of (P, N, Mo)-TiO2 coatings were investigated under visible light. Cold sprayed (P, N, Mo)-TiO2 coatings exhibited excellent photocatalytic activity inMBdegradation under visible-light irradiation. The (P, N, Mo)-TiO2 coating sprayed at 500 degrees C revealed the highest photodegradation rate of 38% in 4 h. Complementarily, the doping mechanism and photocatalytic mechanism of (P, N, Mo)-TiO2 coatings were also effectively proposed and discussed.
Keywordcold spraying spray drying photocatalyst coating titanium dioxide
Indexed BySCI
Language英语
WOS IDWOS:000477594700005
PublisherIOP PUBLISHING LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/80801
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Shen, Yanfang,Gyansah, L.,Song, Wan,et al. Cold spray (P, N, Mo)-TiO2 photocatalytic coatings: synthesis, microstructural characterization and photocatalytic properties[J]. MATERIALS RESEARCH EXPRESS,2019,6(9).
APA Shen, Yanfang.,Gyansah, L..,Song, Wan.,Feng, Bo.,Wang, Jiqiang.,...&Xiong, Tianying.(2019).Cold spray (P, N, Mo)-TiO2 photocatalytic coatings: synthesis, microstructural characterization and photocatalytic properties.MATERIALS RESEARCH EXPRESS,6(9).
MLA Shen, Yanfang,et al."Cold spray (P, N, Mo)-TiO2 photocatalytic coatings: synthesis, microstructural characterization and photocatalytic properties".MATERIALS RESEARCH EXPRESS 6.9(2019).
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