نتایج جستجو برای: uio 66 nh2
تعداد نتایج: 72183 فیلتر نتایج به سال:
The ligand functionalization effect on the CO(2)/CH(4) separation performance of the MOF type UiO-66(Zr) was explored computationally. The -SO(3)H and -CO(2)H functionalized forms show the highest selectivity, good working capacity and medium ranged CO(2) adsorption enthalpy that make these materials very promising for physisorption-based processes.
UiO-66 and analogues were successfully tailored to chemoselectively capture AsV oxyanions at the hydroxylated node and neutral AsIII species with the thiolated organic linkers. More efficient and faster uptake can be achieved with increasing defect densities, increasing pore aperture sizes, and decreasing particle sizes.
We report the study of the resistance of archetypal MOFs (MILs, HKUST-1, UiO-66, and ZIF-8) under gamma irradiation. The different porous solids were irradiated with doses up to 1.75 MGy. All the MOFs constructed with transition metals (Cu2+, Zn2+, Zr4+) exhibit an evident destruction of the framework, whereas the compounds constructed with aluminium remain intact.
Cu3(BTC)2 is an efficient and reusable heterogeneous catalyst for the dehydrogenative coupling of silanes with alcohols. Activity data and CO adsorption suggest that Cu(II) and in situ generated Cu(I) are the active species. Other MOFs such as Fe(BTC), MIL-101(Cr) and UiO-66(Zr) are unable to promote this cross-coupling.
In this work, the effect of functional groups on I 2 sorption kinetics is investigated using two different types isostructural metal‐organic frameworks, UiO‐66‐X series (X = H, Br, NO , NH (OH) and (COOH) ) M ( m ‐DOBDC) series, (M Co2+, Mg2+, Ni2+; ‐DOBDC 4− 4,6‐dioxo‐1,3‐benzenedicarboxylate). Among UiO‐66‐(COOH) exhibits fastest highest capacity due to dipole‐induced dipole interactions betw...
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