A common configuration of polymeric photocatalysts is based on so-called donor-acceptor structures with alternating electron-rich and electron-poor units to facilitate exciton formation from local excited states . Since this type of polymer has been widely used in photodiodes as well as organic solar cells their photophysical and semi-conductive properties are widely studied . As photocatalysts similarly the polymers have been mostly tuned to maximize their physical and optical properties, while studies of how and where the catalytic chemistry occurs are still few.