期刊
MICROPOROUS AND MESOPOROUS MATERIALS
卷 215, 期 -, 页码 109-115出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.micromeso.2015.05.036
关键词
Metal-organic framework; Microporous; Acetylene storage; Selective separation
类别
资金
- National Natural Science Foundation of China [51272229, 51272231, 51472217, 51432001]
- Zhejiang Provincial Natural Science Foundation of China [LR13E020001]
- Fundamental Research Funds for the Central Universities [2015QNA4009, 2015FZA4008, 2014XZZX005]
- Program for Innovative Research Team in University of Ministry of Education of China [IRT13R54]
Two isostructural metal-organic frameworks (MOFs) Cu2TPTC-Me and Cu2TPTC-OMe have been synthesized and characterized. The as-synthesized MOFs show good thermal stability and hydrothermal stability. With open metal sites, suitable pore spaces and functional groups to confine acetylene molecules in frameworks, both MOFs exhibit high gravimetric acetylene storage capacities: Cu2TPTC-OMe has a gravimetric capacity of 203 cm(3) g(-1) at 298 K and 1 bar, and Cu2TPTC-OMe has the highest gravimetric acetylene storage capacity ever reported with the capacity of 204 cm(3) g(-1) under the same conditions. Furthermore, Cu2TPTC-OMe possesses both high separation selectivities of C2H2/CH4 and C2H2/CO2 with the Henry law's selectivity of 60 and 12.7 at room temperature, respectively. (C) 2015 Elsevier Inc. All rights reserved.
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