نتایج جستجو برای: metal organic framework mof

تعداد نتایج: 833999  

Journal: :Journal of the American Chemical Society 2012
Omar K Farha Christopher E Wilmer Ibrahim Eryazici Brad G Hauser Philip A Parilla Kevin O'Neill Amy A Sarjeant SonBinh T Nguyen Randall Q Snurr Joseph T Hupp

We have synthesized, characterized, and computationally validated the high Brunauer-Emmett-Teller surface area and hydrogen uptake of a new, noncatenating metal-organic framework (MOF) material, NU-111. Our results imply that replacing the phenyl spacers of organic linkers with triple-bond spacers is an effective strategy for boosting molecule-accessible gravimetric surface areas of MOFs and re...

Journal: :Inorganic chemistry 2011
Abraham M Shultz Omar K Farha Debashis Adhikari Amy A Sarjeant Joseph T Hupp SonBinh T Nguyen

From a combination of chiral Mn(salen) struts and the tetratopic ligand tetrakis(4-carboxyphenyl)benzene, a large-pore, noncatenated metal-organic framework (MOF) material, MnSO-MOF, has been synthesized. Following solvent exchange with hydrophobic CHCl(3), treatment of MnSO-MOF with aqueous H(2)O(2) allowed for the selective demetalation of Mn(salen) struts at and near the surface of the cryst...

Journal: :Science 2003
Nathaniel L Rosi Juergen Eckert Mohamed Eddaoudi David T Vodak Jaheon Kim Michael O'Keeffe Omar M Yaghi

Metal-organic framework-5 (MOF-5) of composition Zn4O(BDC)3 (BDC = 1,4-benzenedicarboxylate) with a cubic three-dimensional extended porous structure adsorbed hydrogen up to 4.5 weight percent (17.2 hydrogen molecules per formula unit) at 78 kelvin and 1.0 weight percent at room temperature and pressure of 20 bar. Inelastic neutron scattering spectroscopy of the rotational transitions of the ad...

Journal: :Dalton transactions 2016
Marcus Fischer Johannes Schwegler Carolin Paula Peter S Schulz Martin Hartmann

An organic imidazolium salt of terephthalic acid has been utilized as a linker precursor for the synthesis of an aluminum-based metal organic framework (MOF) with MIL-53(ht) structure. This material shows the predicted porosity in terms of nitrogen and hydrogen sorption without exhibiting the breathing effect typical for MIL-53(Al) materials.

2015
Shuai Yuan Tian-Fu Liu Dawei Feng Jian Tian Kecheng Wang Junsheng Qin Qiang Zhang Ying-Pin Chen Mathieu Bosch Lanfang Zou Simon J. Teat Scott J. Dalgarno Hong-Cai Zhou

We successfully assembled the photocatalytic titanium-oxo cluster and photosensitizing porphyrinic linker into a metal–organic framework (MOF), namely PCN-22. A preformed titanium-oxo carboxylate cluster is adopted as the starting material to judiciously control the MOF growth process to afford single crystals. This synthetic method is useful to obtain highly crystalline titanium MOFs, which ha...

2016
Sumit Sachdeva Alexey Pustovarenko Ernst J. R. Sudhölter Freek Kapteijn Louis C. P. M. de Smet Jorge Gascon

A study of a copper-based metal–organic framework (MOF) synthesized by an electrochemical route is presented. Morphological and adsorption properties of the MOF synthesized as bulk powder and on supported copper surfaces were investigated. Differences in these properties and structural refinement studies indicate that when 4,4′,4′′-s-triazine-2,4,6-triyl-tribenzoic acid (H3TATB) is used as link...

Journal: :Inorganic chemistry 2009
Lijun Han Suojiang Zhang Yibo Wang Xingjuan Yan Xingmei Lu

For the first time, we designed and synthesized a new kind of ionic metal-organic framework with lanthanide ions and a carboxyl-functionalized ionic liquid, including [Er(4)(mu(3)-OH)(4)(mu(2)-O)(0.5)OL(4)(H(2)O)(3)] x Br(2.90) x Cl(1.10) x 2 H(2)O (MOF-1) and [PrL(H(2)O)(4)Cl] x Br x H(2)O(MOF-2).

2017
Bu Yuan Guan Le Yu Xiong Wen David Lou

Design and construction of metal-organic framework (MOF) composite precursors have recently been considered as a promising strategy for the preparation of different structured metal/carbon-based functional materials. Here, an MOF composite-assisted strategy to synthesize single-holed cobalt/N-doped carbon hollow particles is reported. The yolk-shell polystyrene@zeolitic imidazolate framework-67...

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