Patent ID: 8597549

Claim:
A compound selected from the group consisting of where Aa and Ab are independently selected from the group consisting of S + and I + ; m, n, o are independently selected from the range of integers greater than or equal to zero and less than or equal to ten, wherein m and/or o are at least 1; X, Y, Z are independently selected from the group consisting of CR k ═CR l , O, S, and N—R m , where R k , R l , and R m are defined below; R a , R b , R c , R d are independently selected from the group consisting of (i) H; (ii) a linear or branched alkyl group with up to 25 carbons; (iii) (CH 2 CH 2 O) α —(CH 2 ) β -Phenyl, where 0≦α≦10 and 1≦β≦25; (iv) an aryl group; (v) a fused aromatic ring; (vi) a polymerizable functionality; and (vii) wherein one of R a and R b is not present when A a is I + , and one of R c and R d is not present when A b is I + ; and R e , R f , R g , R h , R i , R j , R k , R l and R m are independently selected from the group consisting of (a) H; (b) a linear or branched alkyl group with up to 25 carbons; (c) —(CH 2 CH 2 O) α —(CH 2 ) β OR a1 , —(CH 2 CH 2 O) α —(CH 2 ) β NR a2 R a3 , —(CH 2 CH 2 O) α —(CH 2 ) β CONR a2 R a3 , —(CH 2 CH 2 O) α (CH 2 ) β CN, —(CH 2 CH 2 O) α —(CH 2 ) β Cl, —(CH 2 CH 2 O) α —(CH 2 ) β Br, —(CH 2 CH 2 O) α —(CH 2 ) β I, —(CH 2 CH 2 O) α —(CH 2 ) β -Phenyl, where 0≦α≦10 and 1≦β≦25; (d) an aryl group; (e) a fused aromatic ring; (f) a polymerizable functionality; and (g) a group selected from the group consisting of —NR e1 R e2 , —OR e3 , —SR e4 , —F, —Br, —Cl, —I, and phenyl, where R e1 , R e2 , R e3 , R e4 are independently selected from the group consisting of (1) H; (2) a linear or branched alkyl group with up to 25 carbons; (3) phenyl; and (4) a polymerizable functionality.