期刊
CRYSTAL GROWTH & DESIGN
卷 15, 期 8, 页码 4071-4074出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.cgd.5b00675
关键词
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资金
- National Natural Science Foundation of China [51272231, 51229201]
- Program for Innovative Research Team in University of Ministry of Education of China [IRT13R54]
- Natural Science Foundation of Zhejiang pvovince, China [LZ15E020001]
- Welch Foundation [AX-1730]
A novel noninterpenetrated metal organic framework [Cu2L-(H2O)(2)]f center dot(DMA)(18)center dot(H2O)(19) (ZJU-31, ZJU = Zhejiang University; H4L = 5', 5''''- (2,5-dimethoxy4,4-phenylene)bis [1,1' : 3',1 '' -t erphenyl] -4,4 ''-dicarboxylic acid; DMA = N,N-dimethylacetamide) has been synthesized and structurally characterized from an expanded organic linker. Interestingly, although the new linker is larger than the developed one for the construction of ZJU-30 with a doubly interpenetrated structure, the incorporation of a 1,4-dimethoxyphenyl group into the new linker enforces the formation of noninterpenetrated ZJU-31. Accordingly, the activated ZJU-31a shows a much higher porosity with a BET surface area of 1115 m(2)/g than ZTU-30a of 228 m(2)/g. ZJU-31a exhibits highly selective separation of C-2 hydrocarbons over C, methane at room temperature.
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