Grafting of sulfonated monomer onto an amino-silane functionalized 2-aminoterephthalate metal − organic framework via surface-initiated redox polymerization: proton-conducting solid electrolytes

What is it about?

A post-polymerization method for metal–organic frameworks (MOFs) has been developed to produce super-acidic solid nanoparticles. Thus, the NH2MIL-53(Al) MOF was functionalized with (3-aminopropyl)triethoxysilane (APTES) from amine groups to yield active site anchored MOF nanoparticles. Then, sulfonated polymer/MOF hybrid nanoparticles were prepared by redox polymerization of 2-acrylamido-2-methyl-1-propane sulfonic acid (MOF-g-PAMPS), initiated onto the surfaces of aminopropyl-functionalized NH2MIL-53(Al) nanoparticles.

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