Abstract:Cu-based electrocatalysts with favorable facets and Cu+ can boost CO2 reduction to valuable multi-carbon products. However, the inevitable Cu+ reduction and phase evolution usually result in poor performance. Herein, we fabricate CuI nanodots with favorable (220) facets and stable Cu+ state, accomplished by operando reconstruction of Cu(OH)2 under CO2- and I--contained electrolyte for enhanced CO2-to-C2H4 conversion. In-situ Raman spectroscopy and thermodynamic potential analysis reveal the preferred formation… Show more
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