Preparation of N-Doped Composite Shell Encapsulated Iron Nanoparticles and Their Magnetic, Adsorptive, and Photocatalytic Properties. (20th February 2017)

• Record Type: Journal Article
• Authors: Shi, Caijing; Cui, Lan; Lin, Kui; Guo, Qianjin; Zhang, Fan; Hu, Fengxiang; Shah, Sayyar Ali; Wang, Xitao; Chen, Xiaoping; Cui, Shen
• Other Names: Vaz Pedro D. Academic Editor.
• Is Part Of: Journal of nanomaterials. Volume 2017(2017)
• Publication Date: 2017-02-20
• Subjects: Nanostructured materials -- Periodicals; Nanotechnology -- Periodicals; Nanomatériaux; Nanostructured materials; Nanotechnology; Nanostructures; Nanotechnology; Periodicals; Fulltext; Internet Resources; Periodicals; 620.115
• DOI: 10.1155/2017/7868121
• Languages: English
• ISSNs: 1687-4110

Abstract

Abstract : The N-doped composite shell encapsulated iron nanoparticles (CSEINPs) were prepared by DC arc discharge under nitrogen at 800°C, using the anode with high Fe content and good homogeneity. The morphology, microstructure, composition, and some properties of the N-doped CSEINPs were characterized by various characterization techniques. The results revealed that the shells of the N-doped CSEINPs were composed of homogeneously amorphous structure containing C, Fe, O, and N elements; the saturation magnetization ( Ms ) and coercivity ( Hc ) of them at room temperature were 130 emu/g and 194 Oe, respectively. Due to the surface structure and the electrostatic interaction, the N-doped CSEINPs are employed to remove methylene blue (MB) from the waste solution, and they exhibited high adsorption properties and photocatalytic activity under irradiation of visible light (IVL). The kinetics of adsorption of MB on the N-doped CSEINPs was investigated and the recycling test was carried out. The formation mechanism of the N-doped CSEINPs is discussed briefly.