We report the high adsorption of NH in a titanium-based metal-organic framework, MFM-300(Ti), comprising extended [TiO] chains linked by biphenyl-3,3',5,5'-tetracarboxylate ligands. At 273 K and 1 bar, MFM-300(Ti) shows an exceptional NH uptake of 23.4 mmol g with a record-high packing density of 0.84 g cm. Dynamic breakthrough experiments confirm the excellent uptake and separation of NH at low concentration (1000 ppm). The combination of neutron powder diffraction and spectroscopic studies reveal strong, yet reversible binding interactions of NH to the framework oxygen sites.
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| http://dx.doi.org/10.1039/d4cc01449a | DOI Listing |
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