Surface Immobilization of Transition Metal Ions on Nitrogen-Doped Graphene Realizing High-Efficient and Selective CO<sub>2</sub> Reduction.
basic_science · Level V
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- Record sourced from PubMed, PMID 29575274.
- Also identified by DOI 10.1002/adma.201706617.
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Abstract
Electrochemical conversion of CO<sub>2</sub> to value-added chemicals using renewable electricity provides a promising way to mitigate both global warming and the energy crisis. Here, a facile ion-adsorption strategy is reported to construct highly active graphene-based catalysts for CO<sub>2</sub> reduction to CO. The isolated transition metal cyclam-like moieties formed upon ion adsorption are found to contribute to the observed improvements. Free from the conventional harsh pyrolysis and acid-leaching procedures, this solution-chemistry strategy is easy to scale up and of general applicability, thus paving a rational avenue for the design of high-efficiency catalysts for CO<sub>2</sub> reduction and beyond.