Electroactive materials
View Patent ↗There is provided an electroactive material having Formula I wherein: Q is the same or different at each occurrence and can be O, S, Se, Te, NR, SO, SO 2 , or SiR 3 ; R is the same or different at each occurrence and can be hydrogen, alkyl, aryl, alkenyl, or alkynyl; and R 1 through R 6 are the same or different 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.
1. An electroactive polymer having at least one monomeric unit of Formula II
wherein:
Q is O;
R is the same or different at each occurrence and is independently selected from the group consisting of hydrogen, alkyl, aryl, alkenyl, and alkynyl;
R 2 and R 4 are the same or different and are aryl; and
R 5 and R 6 are the same or different 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.
2. An organic electronic device comprising a first electrical contact, a second electrical contact and an electroactive layer therebetween, the electroactive layer comprising a polymer having at least one monomeric unit having Formula II
wherein:
Q is O;
R is the same or different at each occurrence and is independently selected from the group consisting of hydrogen, alkyl, aryl, alkenyl, and alkynyl;
R 2 and R 4 are the same or different and are aryl; and
R 5 and R 6 are the same or different 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.
3. The device of claim 2 , wherein the polymer has Formula IV:
wherein:
Ar is the same or different at each occurrence and is an aromatic unit;
Q is O;
R is the same or different at each occurrence and is independently selected from the group consisting of hydrogen, alkyl, aryl, alkenyl, and alkynyl;
R 2 and R 4 are the same or different and are aryl; and
R 5 and R 6 are the same or different 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; and
a and b represent mole fractions, such that a+b=1.
4. The device of claim 2 , wherein the electroactive layer is a charge transport layer.
5. The device of claim 4 , wherein the charge transport layer is a hole transport layer.
6. The device of claim 2 , wherein the electroactive layer is a photoactive layer.
7. The device of claim 6 , wherein the photoactive layer further comprises a host material.
8. The device of claim 7 , wherein the photoactive layer further comprises a photoactive material.
9. An electroactive polymer having at least one monomeric unit which is