Cold spray (P, N, Mo)-TiO2 photocatalytic coatings: synthesis, microstructural characterization and photocatalytic properties

doi:10.1088/2053-1591/ab3028

IMR OpenIR

	Cold spray (P, N, Mo)-TiO2 photocatalytic coatings: synthesis, microstructural characterization and photocatalytic properties
	Shen,Yanfang 1; Gyansah,L 2; Song,Wan 1; Feng,Bo 1,3; Wang,Jiqiang 1; Cui,Xinyu 1; Tao,Yongshan 1; Xiong,Tianying 1
	2019-07-24
发表期刊	Materials Research Express
ISSN	2053-1591
卷号	6 期号:9
摘要	Abstract The (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 μm. The synthesized (P, N, Mo)-TiO2 powders were agglomerated into spherical particles with a mean size of 5 μm 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 μm. 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 in MB degradation under visible-light irradiation. The (P, N, Mo)-TiO2 coating sprayed at 500 °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.
关键词	cold spraying spray drying photocatalyst coating titanium dioxide
DOI	10.1088/2053-1591/ab3028
语种	英语
WOS记录号	IOP:2053-1591-6-9-ab3028
出版者	IOP Publishing
引用统计
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/80559
专题	中国科学院金属研究所
作者单位	1.Institute of Metal Research, Chinese Academy of Sciences, 110016, People’s Republic of China 2.Regional Maritime University, Marine Engineering Department, Ghana 3.School of Materials Science and Engineering, University of Science and Technology of China, Shenyang 110016, People’s Republic of China
推荐引用方式 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).