Trinuclear cobalt porphyrin(2.1.2.1) nanobelts have been synthesized. The oxygen reduction reaction (ORR) study reveals that the catalyst featuring a nanobelt cyclic structure with three cobalt active sites favors the 4e ORR pathway, attaining a selectivity for HO formation that approaches 100%. This research provides a novel strategy for ORR catalyst design, where the expansive pore structure of the nanobelt complex facilitates substrate binding, while multiple active sites are provided by the multimetallic cavity.
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| http://dx.doi.org/10.1021/acs.inorgchem.4c04259 | DOI Listing |
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