Research Article

Polystyrene Backbone Polymers Consisting of Alkyl-Substituted Triazine Side Groups for Phosphorescent OLEDs

Table 3

LUMO energy levels and reduction potentials of corresponding monomers 5a/b–8a/b.

MonomerReduction peak potential1 (V)LUMO2 (eV)

5a−2,1−2,7
5b−2,1−2,7
6b−2,1−2,7
7a−2,2−2,6
7b−2,1−2,7
8a−2,2−2,6
8b−2,1−2,7

1Peak potential converted to [Fc/Fc+] by adding 0,522 V.
2LUMO layer determined for [Fc/Fc+] by adding +4,8 eV.