期刊
CARBON
卷 59, 期 -, 页码 372-382出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.carbon.2013.03.032
关键词
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资金
- National Natural Science Foundation of China (NSFC) [20971001]
- NSFC-Chinese Academy of Sciences (CAS) Joint Fund for Research Based on Large-Scale Scientific Facilities [10979014]
- Program for New Century Excellent Talent in University
- Ministry of Education, China [NCET-08-0617]
- Anhui University
Magnetic porous carbons with high surface areas were easily synthesized from a Fe-based metal-organic framework (MOF) by a novel microwave-enhanced high temperature iono-thermal method. By choosing a Fe-based MOF called MIL-100(Fe) as both a Fe and C precursor and a porous template, and furfuryl alcohol as a second precursor, a series of gamma-Fe2O3/C composites with strong magnetism were prepared in 3 mm by a microwave-enhanced high temperature ionothermal method. Structure, morphology and magnetic property, as well as porosity of the products, were carefully studied by powder X-ray diffraction, X-ray photoelectron spectroscopy, the BET surface area method, thermogravimetry, vibrating sample magnetometry, scanning electron microscopy, and high resolution transmission electron microscopy. The obtained gamma-Fe2O3/C composites possess both high surface areas and magnetic characteristics. Their adsorption properties were preliminarily tested by the adsorptive removal of methylene blue from aqueous solution. The results suggest that such magnetic carbon composite exhibited high adsorption capacity (303.95 mg g(-1)) and fast adsorption kinetics, as well as a perfect magnetic separation performance (M-s = 4.12-19.54 emu g(-1)), for the MB removal from aqueous solution. (C) 2013 Elsevier Ltd. All rights reserved.
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