Charge transport materials for luminescent applications
View Patent ↗There is provided a charge transport compound having Formula I: wherein: R 1 through R 5 are the same or different at each occurrence and can be hydrogen, alkyl, aryl, halogen, hydroxyl, aryloxy, alkoxy, alkenyl, alkynyl, amino, alkylthio, phosphino, silyl, —COR, —COOR, —PO 3 R 2 , —OPO 3 R 2 , or CN; R 6 can be hydrogen, alkyl, aryl, alkylaryl, and arylalkyl; R is the same or different at each occurrence and can be hydrogen, alkyl, aryl, alkenyl, and alkynyl; and n is an integer from 0-3.
1. A compound having Formula I:
wherein:
R 1 , and R 3 through R 5 are the same or different at each occurrence and are independently selected from the group consisting of hydrogen, alkyl, aryl, halogen, hydroxyl, aryloxy, alkoxy, alkenyl, alkynyl, amino, alkylthio, phosphino, silyl, —COR, —COOR, —PO 3 R 2 , —OPO 3 R 2 , and CN;
R 6 is selected from the group consisting of hydrogen, alkyl, aryl, alkylaryl, and arylalkyl;
R is the same or different at each occurrence and is independently selected from the group consisting of hydrogen, alkyl, aryl, alkenyl, and alkynyl; and
n is an integer from 0-3; and
R 2 is aryl.
2. The compound of claim 1 , wherein R 6 is selected from the group consisting of alkyl and aryl.
3. The compound of claim 2 , wherein R 6 is aryl.
4. The compound of claim 3 , wherein R 6 is selected from phenyl and naphthyl.
5. The compound of claim 1 , wherein R 6 is selected from arylalkyl, alkyl, and branched alkyl.
6. The compound of claim 1 , wherein R 2 is selected from phenyl and naphthyl.
7. The compound of claim 1 , wherein R 1 , R 3 , R 4 , and R 5 are all hydrogen.
8. The compound of claim 1 , wherein R 1 , R 3 , R 4 , and R 5 are independently selected from hydrogen, alkyl, alkoxy, and aryl.
9. The compound of claim 1 , wherein n is 0 or 1.
10. The compound of claim 1 , selected from the group consisting of Compound H1 through H5:
11. A photoactive layer comprising a compound of claim 1 and an electroluminescent material.