The chemical community is uniquely positioned to address the synthetic, thermodynamic and kinetic challenges required for the development of sustainable technologies to reduce CO2emissions. The electrochemical conversion of CO2 into C-1 fuels or fuel precursors is a viable strategy to achieve this goal. Homogeneous transition metal complexes are prime candidates for the development of selective CO2 reduction catalysts as they offer easy access to a diverse range of metal oxidation states and ligand structures for fine-tuning of electronic properties and H-bonding in the second coordination sphere (SCS). By tuning SCS H-bonding at the transition-state for the rate-determining C–OH bond cleavage step the turnover frequency (TOF) of electrocatalytic CO evolution can be greatly improved. Inspired by preliminary earlier studies1, a comprehensive study of electron-donating groups in the ligand second-coordination sphere is here presented.

Functionalization of Mn bipyridine catalysts for electrocatalytic CO2 reduction: A study of electron-donating effects in the second coordination sphere

2019 Spring National Meeting

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