| abstract |
There is provided a compound having Formula I or Formula II: n n n n n n n n n n In the Formulae: Ar 1 is a single bond or an arylene; Ar 2 is an aryl group; Ar 3 is a single bond or an arylene; R 1 is selected from H, D, aryl groups, alkyl groups, silyl groups, siloxane groups, fluoroalkyl groups, alkoxy groups, and fluoroalkoxy groups, or the two R 1 groups may be joined together to form an aliphatic ring having 5-10 carbons; R 2 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. |