Atomically anchored Cu on MXene-derived TiO 2 /Ti 3 C 2 enables Cu–Ti dual sites for selective urea photosynthesis from CO 2 and nitrate

This study presents atomically coordinated Cu–Ti dual sites on MXene-derived oxide for urea photosynthesis from CO 2 and NO 3 − , achieving 11.57 μmol h −1 g −1 yield and 64.8% selectivity via the synergistic Cu–O–Ti interface for efficient C–N coupling.