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Issue 40, 2016
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Interrogating heterobimetallic co-catalytic responses for the electrocatalytic reduction of CO2 using supramolecular assembly

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Abstract

The use of hydrogen-bonding interactions to direct the non-covalent assembly of a heterobimetallic supramolecular system with Re and Mn bipyridine-based electrocatalysts is reported. Under catalytic conditions, the formation of hydrogen bonds generates a catalyst system which passes ∼10% more current than the individual current responses of the respective Re and Mn complexes for the reduction of CO2 to CO and H2O. Infrared spectroelectrochemical studies indicate that the Re and Mn metal centers interact during the reduction mechanism, even forming heterobimetallic bonds under reducing conditions in the absence of substrate. These findings demonstrate that non-covalent assembly is a powerful method for generating new co-catalyst systems with greater reactivity and efficiency for transformations of interest.

Graphical abstract: Interrogating heterobimetallic co-catalytic responses for the electrocatalytic reduction of CO2 using supramolecular assembly

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Publication details

The article was received on 16 May 2016, accepted on 03 Jul 2016 and first published on 04 Jul 2016


Article type: Paper
DOI: 10.1039/C6DT01956K
Citation: Dalton Trans., 2016,45, 15942-15950
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    Interrogating heterobimetallic co-catalytic responses for the electrocatalytic reduction of CO2 using supramolecular assembly

    C. W. Machan and C. P. Kubiak, Dalton Trans., 2016, 45, 15942
    DOI: 10.1039/C6DT01956K

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