Cu-cyclen porous organic polymers for highly efficient photocatalytic CO ₂ reduction and H ₂ production

A novel Cu-cyclen Cu-POP catalytic system demonstrates a photocatalytic CO ₂ -to-CO conversion rate of up to 85 mmol g ⁻¹ h ⁻¹ and H ₂ production rate of up to 6.2 × 10 ³ mmol g ⁻¹ h ⁻¹ , advancing POP platforms for green CO and H ₂ production.