fig2

Figure 2. Schematic of the photocatalytic CO₂ reduction mechanism. (A) Key steps in the photocatalytic process on a semiconductor quantum dot (QD), with characteristic timescales for each step; (B) Redox potentials versus NHE for CO₂ reduction to various products at pH 7; (C) Proposed reaction pathways and intermediates for the formation of different CO₂ reduction products^[11]. Adapted with permission. Copyright 2024, American Chemical Society.