نتایج جستجو برای: metal organic framework mof

تعداد نتایج: 833999  

Journal: :Chemical communications 2014
Chengling Song Yabing He Bin Li Yajing Ling Hailong Wang Yunlong Feng Rajamani Krishna Banglin Chen

A new NbO-type metal-organic framework ZJNU-40 incorporating highly polarized benzothiadiazole moieties exhibits a high CO2 uptake of 108 cm(3) g(-1) at 296 K and 1 atm, as well as good adsorption selectivities of CO2 over CH4 and N2 at room temperature, which is superior to that of the analogous MOF NOTT-101.

Journal: :Journal of the American Chemical Society 2011
Chang Yeon Lee Omar K Farha Bong Jin Hong Amy A Sarjeant SonBinh T Nguyen Joseph T Hupp

A pillared-paddlewheel type metal-organic framework material featuring bodipy- and porphyrin-based struts, and capable of harvesting light across the entire visible spectrum, has been synthesized. Efficient-essentially quantitative-strut-to-strut energy transfer (antenna behavior) was observed for the well-organized donor-acceptor assembly consituting the ordered MOF structure.

Journal: :Chemistry 2010
Karen L Mulfort Omar K Farha Christos D Malliakas Mercouri G Kanatzidis Joseph T Hupp

A new, twofold interpenetrated metal-organic framework (MOF) material has been synthesized that demonstrates dramatic steps in the adsorption and hysteresis in the desorption of CO(2). Measurement of the structure by powder X-ray diffraction (PXRD) and pair distribution function (PDF) analysis indicates that structural changes upon CO(2) sorption most likely involve the interpenetrated framewor...

Journal: :Chemical communications 2015
Chengling Song Yajing Ling Yunlong Feng Wei Zhou Taner Yildirim Yabing He

A copper-based NbO-type metal-organic framework constructed from a tetracarboxylate incorporating phenylethyne as a spacer exhibited an exceptionally high methane working capacity of 184 cm(3) (STP) cm(-3) for methane storage. The value is among the highest reported for MOF materials.

2016
Naomi Cessford

The objective of this work was to develop a molecular simulation method with the capacity to represent the synthesis of metal-organic framework (MOF) structures to the extent of being able to accurately predict the MOF structures that form under specified reaction conditions. MOFs are a class of porous, crystalline solids composed of metal-ion vertices coordinated by organic linker molecules. M...

Journal: :Chemical communications 2014
Chris S Hawes Yada Nolvachai Chadin Kulsing Gregory P Knowles Alan L Chaffee Philip J Marriott Stuart R Batten David R Turner

Polymorphic metal-organic framework (MOF) materials offer a platform for small-scale separation of complex mixtures of polycyclic aromatic hydrocarbons (PAHs) and polar compounds. Retention factors show dependence on both analyte dimensions and polarity, suggesting mixed-mode separation, allowing complete resolution of some analytes from multi-component mixtures.

Journal: :Dalton transactions 2015
Chaoyi Hou Yue-Ling Bai XiaoLi Bao Liangzhen Xu Rong-Guang Lin Shourong Zhu Jianhui Fang Jiaqiang Xu

A new porous metal-organic framework (MOF) {[Cu4(OH)2(tci)2(bpy)2]·11H2O} (1) based on a tetranuclear copper cluster with intracluster antiferromagnetic interactions was synthesized. Quartz crystal microbalance (QCM) sensor studies reveal sensitive and selective sensing for small molecules.

Journal: :Inorganic chemistry 2005
Banglin Chen Nathan W Ockwig Frank R Fronczek Damacio S Contreras Omar M Yaghi

Two metal-organic frameworks (MOFs), MOF-501 and MOF-502, respectively, formulated as Co(2)(BPTC)(H(2)O)(5).G(x) and Co(2)(BPTC)(H(2)O)(DMF)(2).G(x) (BPTC = 3,3',5,5'-biphenyltetracarboxylate; G = guest molecules), have been synthesized and structurally characterized, and their topologies were found to be based on the NbO (MOF-501) and PtS (MOF-502) nets. Heating MOF-501 in solution results in ...

Journal: :Chemical communications 2015
Xiao Yu Seth M Cohen

A photocatalytic Ru complex was incorporated into a Zr(iv)-based metal-organic framework (MOF) via postsynthetic methods. The resulting UiO-67-Ru(bpy)3 shows efficient and recyclable catalytic activity for the aerobic oxidation of arylboronic acids under near-UV and visible light irradiation.

2017
Mohamed H. Alkordi Youssef Belmabkhout Amy Cairns Mohamed Eddaoudi

This study aims to assess the possibility of improving H2 and CH4 binding affinity to the aromatic walls of a designed new Metal-Organic Framework (MOF) through simultaneous dispersive interactions. It is suggested here that desirable H2 and CH4 storage media at low pressures require narrow uniform pores associated with large surface area, a trade-off that is challenging to achieve.

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