Patent ID: 7582757

Claim:
A complex having Formula II, Formula III, Formula IV, Formula V, or Formula VI: where: R 1 and R 3 can be the same or different and are independently selected from the group consisting of hydrogen, halogen, alkyl, aryl, alkylaryl and heterocyclic groups; R 10 and R 11 can be the same or different and are independently selected from the group consisting of hydrogen, halogen, alkyl, aryl, alkylaryl, trialkylsilyl, triarylsilyl, and heterocyclic groups; R 2 is selected from the group consisting of hydrogen, alkyl, aryl, alkylaryl, heterocyclic groups, and fluorine; R 4 , R 5 , R 6 and R 7 are each independently selected from the group consisting of H, F, CN, alkyl, alkoxyl, trialkylsilyl, triarylsilyl, and aryl; and R 8 and R 9 are each independently selected from the group consisting of H, F, and alkyl.