期刊
MATERIALS LETTERS
卷 104, 期 -, 页码 64-67出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2013.03.143
关键词
Porous materials; Carbon materials; Magnetic properties; Macroscopic sphere; Organic pollutants
资金
- Natural Science Foundation of the Education Office of Anhui Province [KJ2011B158]
- Youth Foundation of Huainan Normal University [2010QNL07]
- Dr. Scientific Research Foundation of Huainan Normal University
A magnetic hierarchical porous carbon sphere was synthesized by a simple, facile and inexpensive ion exchange route, in which the magnetic Fe3O4 particles are dispersed in the sample. The magnetic hierarchical porous carbon sphere was characterized by combined techniques including X-ray powder diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), N-2 adsorption desorption isotherms and the magnetization curve. This magnetic hierarchical porous carbon sphere has high surface area (986 m(2)/g), macroscopic sphere, hierarchical porosity (micropores, mesopores and macropores), and good magnetic separability properties. High surface area of this magnetic hierarchical porous carbon sphere showed an efficient adsorption capacity (152 mg/g) for organic pollutants (methyl orange) in water and can be easily separated from water by external magnetic field. (C) 2013 Elsevier B.V. All rights reserved.
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