Inorganic Chemistry Communication
Inorganic Chemistry Communication
4 years ago

A robust microporous ytterbium metal-organic framework with open metal sites for highly selective adsorption of CO2 over CH4

A robust microporous ytterbium metal-organic framework with open metal sites for highly selective adsorption of CO2 over CH4
A rare three-dimensional (3D) microporous lanthanide metal–organic framework, {[Yb(BTB)(H2O)](MeOH)2(H2O)}n (1), with 1D nano-sized channels has been constructed by bridging helical chain secondary building units with 1,3,5-Benzenetrisbenzoic acid (H3BTB) ligand. The highly rigid and stable framework contains a 1D triangular channel-type structure with highly polar pore surfaces decorated with abundant open metal sites. The desolvated framework {[Yb(BTB)]}n is found to exhibit permanent porosity with high CO2 storage capacities and significant selective sorption of CO2 over CH4 around room temperature.

Publisher URL: www.sciencedirect.com/science

DOI: S1387700317307554

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