Fig. 2: Tunable activation of CO₂ by polarization switching.

The differential charge density plots and partial density of states of CO₂ adsorbed on Pd@In₂Se₃ (a, b for Pd@P ↓ -In₂Se₃, and c, d for Pd@P ↑ -In₂Se₃). e Simplified schematic diagrams of CO₂ bonding to transition metals.