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Inne
Opening metal-organic frameworks. Vol. 2: Inserting longer pillars into pillared-paddlewheel structures through solvent-assisted linker exchange.
Autorzy
Rok wydania
2013
Czasopismo
Numer woluminu
25
Strony
3499-3503
DOI
10.1021/cm401724v
Kolekcja
Język
Angielski
Typ publikacji
Artykuł
Solvent-assisted linker exchange (SALE) was performed on a pillared-paddlewheel metal −organic frame-work (MOF),SALEM-5, to achieve incorporation of longer linkers into the material. The 9-Åmeso-1,2-di(4-pyridyl)-1,2-ethanediol pillar of SALEM-5 was successfully replaced by 11-Å, 14-Å, and 17-Å pillars to generate daughter MOFs SALEM-6,SALEM-7,andSALEM-8. The daughter frameworks possess more open cages, as was demonstrated by structural modeling from the powder X-ray diffraction patterns, and larger solvent accessible space, as was demonstrated by thermogravimetric analysis. Finally, a study was performed to examine the effect of pKa of monoprotonated dipyridyl pillars (as an indicator of the Zn−L bond strength) on the outcome of SALE.
Słowa kluczowe
metal organic frameworks, solvent-assisted linker exchange
Adres publiczny
http://dx.doi.org/10.1021/cm401724v
Strona internetowa wydawcy
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