期刊
JOURNAL OF MATERIALS CHEMISTRY A
卷 5, 期 34, 页码 17874-17880出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c7ta02760e
关键词
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资金
- National Science Foundation of China [21301148, 21671102]
- National Science Foundation of Jiangsu Province [BK20161538]
- Innovative Research Team Program by the Ministry of Education of China [IRT13070]
- Six talent peaks project in Jiangsu Province [JY-030]
- State Key Laboratory of Materials-Oriented Chemical Engineering [ZK201406]
- Japan Society of the Promotion of Science (JSPS) [25000007]
- Grants-in-Aid for Scientific Research [16K17959, 25000007, 17H03026] Funding Source: KAKEN
Nano-porous coordination polymers (nano-PCPs), as a new class of crystalline material, have become a lucrative topic in coordination chemistry due to the facile tunability of their functional pore environments. However, elucidating the pathways for the rational design and preparation of nano-PCPs with various integrated properties for feasible gas separation remains a great challenge. Here, we demonstrate a new route to achieve nano-PCPs with an integrated pore system and physical properties using a reticular chemistry strategy. By optimizing the position and length of the shortest two alkyl groups in the channels, unprecedented phenomena of improved surface area, gas uptake, gas selectivity, thermal stability and chemical stability were observed in the PCPs, especially in NTU-14, the structure with a pendant ethyl group. Furthermore, the high performance of adsorption-and membrane-based separation makes NTU-14 a promising medium for CH4 purification from a mixture at room temperature.
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