期刊
MATERIALS LETTERS
卷 170, 期 -, 页码 167-170出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2016.02.029
关键词
Porous materials; Nanocomposites; Magnesium silicate; Microstructure
资金
- National Natural Science Foundation of China [51202103]
- Research Foundation for the Doctoral Program of Higher Education of China [20121501120005]
- Youth Science and Technology Talents Foundation of Inner Mongolia [NJYT-14-B02]
Mesoporous materials with substantial specificities have potential applications in pollutant adsorption. In this work, ordered mesoporous magnesium silicate-silica was prepared by a facile hydrothermal method using mesoporous silica SBA-15 filled with carbon (C@SBA-15) as both assisted template and silicon source. During hydrothermal process, the carbon inside the pores of the SBA-15 supported magnesium silicate as mesoporous wall. The magnesium silicate together with the remainder silica exhibited ordered mesoporous structure, BET surface area of 432 m(2)/g, and bimodal pore size distributions. The mean pore sizes were 5.46 and 55.0 nm. The ordered mesoporous magnesium silicate-silica showed a fast adsorption rate for methylene blue; meanwhile, the adsorption capacities for methylene blue and Rhodamin B were 283 and 227 mg/g, respectively. (C) 2016 Elsevier B.V. All rights reserved.
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