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Functionalization of Carbon Nanotubes with Nickel Cyclam for the Electrochemical Reduction of CO 2

Abstract : The exploitation of molecular catalysts for CO2 electrolysis requires their immobilization on the cathode of the electrolyzer. As an illustration of this approach, a Ni‐cyclam complex with a cyclam derivative functionalized with a pyrene moiety is synthesized, found to be a selective catalyst for CO2 electroreduction to CO, and immobilized on a carbon nanotube‐coated gas diffusion electrode by using a noncovalent binding strategy. The as‐prepared electrode is efficient, selective, and robust for electrocatalytic reduction of CO2 to CO. Very high turnover numbers (ca. 61460) and turnover frequencies (ca. 4.27 s−1) are enabled by the novel electrode material in organic solvent‐water mixtures saturated with CO2. This material provides an interesting platform for further improvement.
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https://hal.sorbonne-universite.fr/hal-03034395
Contributor : Gestionnaire Hal-Su <>
Submitted on : Tuesday, December 1, 2020 - 5:03:59 PM
Last modification on : Tuesday, February 2, 2021 - 2:58:06 PM
Long-term archiving on: : Tuesday, March 2, 2021 - 8:05:32 PM

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Silvia Pugliese, Ngoc Tran Huan, Jeremy Forte, Domenico Grammatico, Sandrine Zanna, et al.. Functionalization of Carbon Nanotubes with Nickel Cyclam for the Electrochemical Reduction of CO 2. ChemSusChem, ChemPubSoc Europe/Wiley, 2020, ⟨10.1002/cssc.202002092⟩. ⟨hal-03034395⟩

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