Fig. 4From: Polymer-based chromophore–catalyst assemblies for solar energy conversion(Reproduced with permission from Ref. [18]. Copyright 2016, Wiley–VCH Verlag Gmbh & Co) a Structure of carboxylic acid-derivatized polymer, PS-Ru-A. b Cartoon of PS-Ru-A anchored to a TiO2 nanoparticle surface. c Schematic representation of the photophysical events of the PS-Ru-A assembly at the surface of TiO2. The blue circles represent Ru(L)32 + chromophores while the green and red circles correspond to Ru(L) 3+3 and Ru(L) 2+*3 Back to article page