期刊
JOURNAL OF MATERIALS CHEMISTRY A
卷 1, 期 1, 页码 77-81出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c2ta00155a
关键词
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资金
- Welch Foundation (B.C.) [AX-1730]
- National Natural Science Foundation of China [51229201, 51272231, 51010002]
- NSFC [21273033, 21203024]
- Award 'MinJiang ScholarProgram' in Fujian Province, China
To immobilize both open metal and Lewis basic pyridyl sites into a microporous metal-organic framework, Cu-6(PDC)(6)center dot 2.6H(2)O (UTSA-50) was solvothermally synthesized and characterized. The combination of open metal sites and Lewis basic pyridyl functional sites leads to a high acetylene adsorption enthalpy of 39.4 kJ mol(-1). As a result, UTSA-50 is a very promising MOF material for the highly selective separation of C2H2/CH4 and C2H2/CO2 at room temperature with the highest C2H2/CH4 separation selectivity of 68 ever reported and moderately high acetylene uptake of 91 cm(-1) g(-1).
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