abstract |
The present application relates to a compound of formula Ai Xi Bi where Ai and Bi are each individually an organic onium cation; and Xi is anion of the formula - O3S-CF2CF2OCF2CFa-SO3 -. The compounds are useful as photoactive materials where each of Ai and Bi are selected from Formula (I) and Y-Ar where Ar is selected from Forumla (II), naphthyl, or anthryl; Y is selected from Formula (III), Formula (IV), Formula (V). |