期刊
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
卷 127, 期 17, 页码 6374-6381出版社
AMER CHEMICAL SOC
DOI: 10.1021/ja043756x
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A porous metal-organic framework [Zn4O(NTB)(2)](.)3DEF(.)EtOH (1), in which (3,6)-connected nets are doubly interpenetrated to generate curved three-dimensional channels, has been prepared. Framework 1 exhibits high permanent porosity (Langmuir surface area, 1121 m(2)/g; pore volume, 0.51 cm(3)/cm(3)), high thermal stability (up to 430 degrees C), high hydrogen adsorption capacity (1.9 wt% at 77 K and 1 atm), selective organic guest binding ability (K-l: MeOH > pyridine > benzene > dodecane), and guest-dependent blue luminescence (lambda(max) depending on guest identity). Most interestingly, the framework sustains single crystallinity even at 400 degrees C and 10(-5) Torr, and the framework components undergo reversible dynamics, mainly rotational motion, in response to removal and rebinding of the guest molecules.
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