Abstract

This study was conducted to synthesize thermally-robust metal-org. frameworks with high internal surface areas and a high concn. of open metal coordination sites for hydrogen storage. A no. of strategies were used for generating open metal coordination sites on the internal surfaces of microporous metal-org. frameworks. These approaches involve the insertion and activation of metal carbonyl units on the arom. components of existing frameworks, as well as the design of new frameworks using bridging ligands that facilitate the generation of open metal coordination sites. The resulting compds. were characterized by various techniques, including gas adsorption measurements, neutron powder diffraction, inelastic neutron scattering spectroscopy, and IR spectroscopy.

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