نتایج جستجو برای: metal organic frame work
تعداد نتایج: 1382842 فیلتر نتایج به سال:
A new class of microporous adsorbents, the metal-organic frameworks was recently developed. Despite their promising characteristics, not much is known about their adsorption behaviour, certainly for mixtures. In this work, vapour and gas phase adsorption and separation of (i) linear and branched alkanes, cyclohexane and benzene, (ii) C8 alkylaromatic compounds and (iii) CO2 and CH4 is studied o...
In this paper, the effect of nanocatalytic metal-organic framework based on copper metal and bis-tetrazolamine (CuBTA) ligand functionalized with cobalt (II) oxide nanoparticles on the thermal decomposition behavior of ammonium perchlorate (AP), using differential survey calorimetry (DSC) has been reviewed. First, the metal-organic framework (CuBTA) was synthesized from the raw materials of cop...
Resonant quantum tunneling of magnetization has been observed in a hybrid metal-organic framework where an intrinsic magnetic phase separation leads to the coexistence of long-range canted antiferromagnetic order and isolated single-ion quantum magnets. This unusual magnetic phenomenon is well interpreted based on a selective long-distance superexchange model in which the exchange interaction b...
Metal-organic frameworks (MOFs) can find numerous potential applications due to their ability of (selective) gas sorption, separation, storage, and release. One such application is the active food packaging, in which controlled levels ethylene 1-methylcyclopropene (1-MCP) gasses speed up or slow down fruit ripening. Following our recent experimental study on Cu3(btc)2 (HKUST-1) MOF, this work a...
The field of organic thin films and devices is progressing at an extremely rapid pace. Organic–metal and organic–organic interfaces play crucial roles in charge injection into, and transport through, these devices. Their electronic structure, chemical properties, and electrical behavior must be fully characterized and understood if the engineering and control of organic devices are to reach the...
− In this paper the source preparation procedure for high-resolution U sources is described. This work was done in a collaboration between CIEMAT and IRMM within the frame of MetroFission, a project of the European Metrology Research Programme, in order to determine the alpha-emission probabilities of U. U was deposited from organic (iso-propanol) and inorganic (H2SO4/(NH4)2SO4, saturated NH4NO...
copper trimesate (cu-btc) mof has been pointed out as a promising adsorbent for separating carbon dioxide from methane. however, mof’s need to be shaped prior to their use in packed bed adsorbers in order to reduce pressure drop; on the other hand, the production of mechanically resistant shaped bodies reduces their adsorption performance. in this work, cu-btc tablets provided by basf are evalu...
Incorporating chiral organic compounds into metal halide frames is a common and useful method to introduce chirality in composites. The structures of resulting racemic composites are usually considered be nearly identical owing similar chemical bonding. In this work, by incorporating MBABr (bromide methylbenzylamine) an inorganic frame, significant crystallization difference between the observe...
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