Fig. 3
From: Polymer-based chromophore–catalyst assemblies for solar energy conversion
(Reproduced with permission from Ref. [36, 37]. Copyright 2014, Wiley–VCH Verlag Gmbh & Co. and 2013, American Chemical Society, respectively)
a Structures of [Ru(4,4′-PO3H2-2,2′-bpy)2(4-Br-4′-Mebpy)]2+ (8), [Ru(bpy)2(4-Me-4′-vinlybpy)]2+ (9), Ru(5,5′-(R)2-bpy)2Cl2 (R=CH=CH2) (10), [Fe(v-tpy)2]2+ (v-tpy = 4′-vinyl-2,2′:6′,2″-terpyridine) (11). b Mechanism of the oligomeric growth of RuII complexes from 8 in the cavities of the mesoporous TiO2 film. c Schematic diagram of the surface structure following reductive polymerization of 11 on TiO2-10