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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Acknowledgments
This work is supported by the National Natural Science Foundation of China (Nos. 51372103, 51202092 and 51103065), the China Postdoctoral Science Foundation (2013M531285), the Senior Intellectuals Fund of Jiangsu University (11JDG108), the Project Funded by the Priority Academic Program Development of Jiangsu Higher Education Institutions, and the Foundation of State Key Laboratory of Solid Lubrication (1202).
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Chen, T., Zhang, X., Qian, J. et al. One-step hydrothermal synthesis of carbon@Fe3O4 nanoparticles with high adsorption capacity. J Mater Sci: Mater Electron 25, 1381–1387 (2014). https://doi.org/10.1007/s10854-014-1738-0
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DOI: https://doi.org/10.1007/s10854-014-1738-0