期刊
CHEMICAL ENGINEERING JOURNAL
卷 191, 期 -, 页码 326-330出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.cej.2012.03.025
关键词
Metal organic framework; MIL-101; MWCNT; CO2 adsorption
In this study, we have synthesized a hybrid composite of acid treated multi walled carbon nanotubes (MWCNTs) and metal organic framework MIL-101 and denoted as MWCNT@MIL-101. For synthesis of this composite, well dispersed MWCNTs in dimethylformamide were mixed with hydrofluoric acid solution of chromium nitrate nonahydrate and terephthalic acid. The MWCNT@MIL-101 obtained has the same crystal structure and morphology as that of virgin MIL-101, but carbon dioxide (CO2) adsorption capacity is increased about 60% (from 0.84 to 1.35 mmol g(-1)) at 298 K and 10 bar. The increment in the CO2 adsorption capacity of MWCNT@MIL-101 is attributed to the increase of micropore volume of MIL-101 by MWCNT incorporation. (c) 2012 Published by Elsevier B.V.
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