Fig. 1. (A–C) Catalysts and photosensitizers used in the current study. Cobaloxime catalysts (A) Co(dmgBF2)2·2H2O (CoBF2) and (B) Co(dmgH)2pyCl (CoPy) and (C) ruthenium photosensitizer (Ru PS), [Ru(4-CH2Br-4′-CH3-2,2′-bpy)(bpy)2]·2PF6. (D) Photocatalytic hydrogen production scheme in Ru–Fd–CoBF2 biohybrid utilizing electron transfer through the native Fd [2Fe–2S] cluster (1A70).25 .
