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Synthesis of Large-Pore Stabilized MIL-53(Al) Compounds with Increased CO2 Adsorption and Decreased Water Adsorption.

机译:大孔稳定mIL-53(al)化合物的合成,具有增加的CO2吸附和降低水吸附。

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摘要

This work reports two large-pore stabilized MIL-53(Al) metal-organic frameworks prepared via solvothermal synthesis strategies that possess no or only slight breathing behaviour. Powder X-ray diffraction confirmed one material remains in the large-pore form under all conditions, while the other material undergoes a more gradual breathing transition than is observed for MIL-53(Al) prepared by traditional methods. Solid-state NMR was employed to elucidate additional structural information and gain insight into the role synthesis solvent plays on breathing behaviour. The CO2 and water adsorption of these large-pore stabilized materials were studied, and the improvement in CO2 loadings over MIL-53(Al) prepared by traditional methods was discussed.

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