Dynamic porous metal–organic frameworks: synthesis, structure and sorption property

文献信息

发布日期 2012-10-11
DOI 10.1039/C2CE26533H
影响因子 3.545
作者

Chao Hou, Qing Liu, Taka-aki Okamura, Peng Wang, Wei-Yin Sun


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摘要

Three new porous metal–organic frameworks {[Co(L)(PIN)]·dioxane·H2O}n (1), {[Co(L)(DPE)]·0.5DPE}n (2) and {[Co(L)(BPE)]·4H2O}n (3) with the same 2-fold interpenetrating hms topology based on 5-(pyridin-4-yl)isophthalate (L2−) and different pillar ligands of N-(4-pyridyl)isonicotinamide (PIN), 1,2-di(4-pyridyl)ethylene (DPE) and 1,2-bis(4-pyridyl)ethane (BPE) have been prepared and characterized by IR, thermogravimetric analysis, single crystal and powder X-ray diffractions. Interestingly, 1 possesses a flexible framework upon desolvation and H2O/MeOH/EtOH vapor adsorption, and the desolvated sample exhibits a stepwise uptake of CO2 (195 K), H2O (298 K) and MeOH (298 K). More importantly, the desolvated 1 shows high enthalpy of CO2 adsorption and high selectivity for CO2 over N2 as well as H2O/MeOH over EtOH at 298 K.

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CrystEngComm

CrystEngComm
CiteScore: 5.5
自引率: 7.7%
年发文量: 643

CrystEngComm is the forum for the design and understanding of crystalline materials. We welcome studies on the investigation of molecular behaviour within crystals, control of nucleation and crystal growth, engineering of crystal structures, and construction of crystalline materials with tuneable properties and functions. We publish hypothesis-driven research into… how crystal design affects thermodynamics, phase transitional behaviours, polymorphism, morphology control, solid state reactivity (crystal-crystal solution-crystal, and gas-crystal reactions), optoelectronics, ferroelectric materials, non-linear optics, molecular and bulk magnetism, conductivity and quantum computing, catalysis, absorption and desorption, and mechanical properties. Using Techniques and methods including… Single crystal and powder X-ray, electron, and neutron diffraction, solid-state spectroscopy, spectrometry, and microscopy, modelling and data mining, and empirical, semi-empirical and ab-initio theoretical evaluations. On crystalline and solid-state materials. We particularly welcome work on MOFs, coordination polymers, nanocrystals, host-guest and multi-component molecular materials. We also accept work on peptides and liquid crystals. All papers should involve the use or development of a design or optimisation strategy. Routine structural reports or crystal morphology descriptions, even when combined with an analysis of properties or potential applications, are generally considered to be outside the scope of the journal and are unlikely to be accepted.

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