There is provided a compound having Formula I or Formula II: In the Formulae: Ar1 is an arylene having 6-30 carbons; Ar2 is an aryl group; Ar3 is an arylene; R1 is selected from H, D, aryl groups, alkyl groups, silyl groups, siloxane groups, fluoroalkyl groups, alkoxy groups, and fluoroalkoxy groups; R2 is selected from D, aryl groups, alkyl groups, silyl groups, siloxane groups, fluoroalkyl groups, alkoxy groups, or fluoroalkoxy groups; M is a conjugated moiety; a is an integer from 0 to 2; b is an integer from 0 to 3; n is an integer equal to or greater than 1; and x and y are mole fractions where x+y=1.0.