abstract |
A polymer blend comprising at least one organic semiconductor (OSC) polymer such that: the at least one OSC polymer is a diketopyrrolopyrrole-fused thiophene polymeric material, the fused thiophene being beta-substituted, the at least one OSC polymer has a first moiety and a second moiety, and at least one of the first moiety or the second moiety comprises at least one UV-curable side chain. |