Multifunctional Behavior of Sulfonate-Based Hydrolytically Stable Microporous Metal–Organic Frameworks
2018
Desai, Aamod V. | Joarder, Biplab | Roy, Arkendu | Samanta, Partha | Babarao, Ravichandar | Ghosh, Sujit K.
An isostructural pair of extremely rare, permanently microporous sulfonate-based metal–organic frameworks (MOFs) having a novel topology has been reported here by integration of rationally chosen building units. The compounds bear polar sites in the pore surfaces and exhibit selective adsorption of CO₂, which features among the highest reported uptakes in the domain of organosulfonate-based MOFs. The compounds also exhibit multifunctionality for C₆-cyclic hydrocarbon separation and selective detection of neurotransmitter nitric oxide. Such multifunctional behavior on the basis of permanent porosity has been rarely observed for sulfonate-based MOFs. The efficacy of the synthesis approach is further highlighted by the resistance over a wide pH range and promising feasibility of reticular chemistry in porous organosulfonate-based systems.
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