Organic electroluminescent materials and devices

摘要

Organic materials comprising pendant redox-active metallocence groups are described. The hole transport property of these systems can be modulated through the metallocence moiety.

主权项

1. A compound having an osmocene structure having a formula of Os(L1)(L2):
wherein L1 has the formula: wherein L2 has the formula:wherein R1 to R10 are each independently selected from the group consisting of hydrogen, deuterium, halogen, alkyl, cycloalkyl, heteroalkyl, arylalkyl, alkoxy, aryloxy, amino, silyl, alkenyl, heteroalkenyl, alkynyl, aryl, heteroaryl, heterocyclyl, acyl, carbonyl, carboxylic acid, ester, nitrile, isonitrile, sulfanyl, sulfinyl, sulfonyl, phosphino, and combinations thereof; andwherein at least one of R1 to R10 comprises at least one chemical group selected from the group consisting of triphenylene, carbazole, dibenzothiophene, dibenzofuran, dibenzoselenophene, azatriphenylene, azacarbazole, aza-dibenzothiophene, aza-dibenzofuran, and aza-dibenzoselenophene.