Well-Defined Copper-Based Nanocatalysts for Selective Electrochemical Reduction of CO₂ to C₂ Products

The electrochemical CO2 reduction reaction (CO2RR) holds the promise to revolutionize chemical industry by producing value-added chemicals and fuels from water while storing renewable energy. However, catalyst design still remains one of major hurdles in field. This Perspective discusses current future contributions well-defined nanocatalysts improving CO2RR selectivity toward C2 products, particularly ethylene ethanol. In this regard, shape size dependence single metal copper nanocrystals is briefly reviewed linked single-crystal studies. Representative studies on Cu-based bimetallic are discussed highlight importance composition distribution metals for selectivity. Finally, a vision strategies terms next generation proposed.