Spin Polarization‐Boosting Ultrafast Carrier Dynamics and Exciton Dissociation in Fe Nanoparticle‐Loading Graphitic Carbon Nitride Toward Efficient CO 2 Photoreduction

⁺). This process facilitates spin-selective electron transfer from g-C₃N₄ to Fe species, thereby contributing to the efficient conversion of CO₂. This work provides novel insights into the design of spin-dependent photocatalysts for efficient solar energy conversion.