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N–Si doped carbon-embedded TiO2 composite fibers: a new photocatalysts with high yields by centrifugal spinning
Wu,Xiaowen1; Mao,Kui1; Liu,Jia1; Tao,Tianyi2; Zhao,Haiqing3; Huang,Zhaohui1; Liu,Yan’gai1; Fang,Minghao1; Min,Xin1
2019-11-01
Source PublicationMaterials Research Express
Volume6Issue:11
AbstractAbstract N–Si doped carbon-embedded TiO2 composite fibers were prepared successfully by using centrifugal spinning and subsequent heat treatment with titanium tetrabutoxide, ethyl silicate, and Polyvinyl pyrrolidone as raw materials, as well propytrimethoxysilane (KH-560) as additives. The crystalline phase, morphologies, and groups of the prepared fibers were characterized by using X-ran diffraction, scanning electron microscopy, and Fourier transform infrared, respectively. The photocatalytic properties of the composite catalyst were investigated by using RhB as the oganic dye and ultraviolet as well visible light respective as irritator. The result indicated that Si and N atoms were doped into the lattice of TiO2. The average diameter, the surface morphologies, as well the photocatalytic activity of the fibers were controlled by the composition of raw materials, especially the concentration of KH-560. The photocatalytic performance of the novel TiO2 composite fibers reached their optimal in case the concentration of aminosilane coupling agents were 2.5 wt% and 3.75 wt% under ultraviolet and visible light irradiation, respectively.
KeywordTiO2 fiber N–Si doped aminosilane coupling agents centrifugal spinning photocatalysis
DOI10.1088/2053-1591/ab5146
Language英语
WOS IDIOP:2053-1591-6-11-ab5146
PublisherIOP Publishing
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/38268
Collection中国科学院过程工程研究所
Affiliation1.Beijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid Wastes, National Laboratory of Mineral Materials, School of Materials Science and Technology, China University of Geosciences, Beijing 100083, People’s Republic of China
2.Division of Environment Technology and Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, People’s Republic of China
3.Shenyang Geological Survey Center, China Geological Survey, Shenyang, 110034, Liaoning, People’s Republic of China
Recommended Citation
GB/T 7714
Wu,Xiaowen,Mao,Kui,Liu,Jia,等. N–Si doped carbon-embedded TiO2 composite fibers: a new photocatalysts with high yields by centrifugal spinning[J]. Materials Research Express,2019,6(11).
APA Wu,Xiaowen.,Mao,Kui.,Liu,Jia.,Tao,Tianyi.,Zhao,Haiqing.,...&Min,Xin.(2019).N–Si doped carbon-embedded TiO2 composite fibers: a new photocatalysts with high yields by centrifugal spinning.Materials Research Express,6(11).
MLA Wu,Xiaowen,et al."N–Si doped carbon-embedded TiO2 composite fibers: a new photocatalysts with high yields by centrifugal spinning".Materials Research Express 6.11(2019).
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