| abstract |
Formulations comprising the following components: diketopyrrolopyrrole (DPP) and fused thiophene copolymer structures of formula (I), (II), or a combination thereof, or a salt thereof, in an amount of from 0.1 to 5 wt% Organic semiconducting polymer selected from: [Chemical Formula 1] < EMI ID = Wherein m is an integer from 1 to 2 and n is an integer from 4 to 80 and X and Y are independently selected from bivalent heteroaryls such as thiophene and R 1 , R 2 , R 3 , and R 4 are each a hydrocarbylene substituent, as defined herein, and a first solvent selected from a cyclic aliphatic in an amount of from 2 to 98 wt%; And an aromatic in an amount of 98 to 2 wt%. Methods and methods for using the disclosed formulations, for example, as electronic devices, are also disclosed. |