Built-in Electric Field in Multivariate COFs Boosts Photocatalytic NADH Regeneration for Enzymatic Reduction - Zhenyang Zuo; Menglan Chen; Wei Lan; Zixuan Gu; Kexin Cao; Pilang Zheng; Jinli Han; Huicong Dai; Hengquan Yang; Qihua Yang (Journal of the American Chemical Society, 2026)