Light‐Promoted Efficient Gold Recovery Enabled by a Polydopamine‐Functionalized Covalent Organic Framework

, ultrafast adsorption kinetics (>99% removal efficiency within 30 s), and remarkable selectivity in complex matrices. Experimental characterizations disclose that the engineered abundant nitrogen and oxygen active sites, along with the inherent photocatalytic reduction capability, significantly enhance the gold adsorption performance. These key merits position TATP/PDA as one of the best-performing materials in terms of overall performance. In practical application, TATP/PDA exhibits exceptional performance in recovering gold from real e-waste leachate. Moreover, the recovered gold-loaded composite serves as a sustainable photocatalyst for hydrogen evolution. This dual-benefit strategy not only promotes resource recycling but also contributes to the goals of a green and circular economy.