One-step hydrothermal synthesis of carbon@Fe3O4 nanoparticles with high adsorption capacity |
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| Authors: | Tao Chen Xueqiang Zhang Jing Qian Songjun Li Xiaohua Jia Hao-Jie Song |
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| Affiliation: | 1. School of Materials Science and Engineering, Jiangsu University, Zhenjiang, 212013, Jiangsu, People’s Republic of China
2. School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang, 212013, Jiangsu, People’s Republic of China
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| Abstract: | The magnetic carbon@Fe3O4 nanoparticles have been fabricated by a simple one-step hydrothermal method and applied as adsorbents for removal of organic dyes such as Congo red from aqueous solution. The prepared products were characterized by transmission electron microscopy, X-ray diffraction, Fourier transform infrared spectra, thermo-gravimetric analysis, nitrogen adsorption–desorption isotherms, UV–vis spectrum, and vibrating sample magnetometer. The adsorption performances of the products were tested with removal of Congo red from aqueous solution. The carbon@Fe3O4 nanoparticles possess high adsorption capacity and excellent magnetic separability by an external magnetic field, which is attributed to its high specific surface area providing more surface active sites. |
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