Compositions comprising novel compounds and electronic devices made with such compositions
View Patent ↗The present invention relates to novel compounds and compositions comprising novel oligomers and polymers, and electronic device comprising at least one layer containing the compositions. The novel oligomers and polymers can be solubilized, and can be used in solution to form electronic devices. The compounds can function as monomers, and copolymers can be formed from such monomers, such copolymers comprising, as polymerized units, a plurality of units of the compounds.
1. A compound having the formula:
wherein:
n is an integer of at least 1;
R 1 is selected from aryl, heteroaryl, fluoroaryl, and fluoroheteroaryl substituted with 1 or more fluorine atoms;
R 3 is selected from H and R 1 ;
R 2 is selected from H, R 1 , alkyl, fluoroalkyl, Cl, Br, I and an arylamino group of formula (II),
wherein R 4 is selected from aryl, H, R 1 , alkyl, and fluoroalkyl;
R 7 is selected from aryl, heteroaryl, fluoroaryl, and fluoroheteroaryl substituted with 1 or more fluorine atoms up to 7 fluorine atoms; and
E is selected from O, S, (SiR 5 R 6 ) m wherein m is an integer of 1 to 20, (CR 5 R 6 ) m wherein m is an integer of 1 to 20, and combinations thereof, wherein R 5 and R 6 are each independently selected from H, F, alkyl, aryl, alkoxy, aryloxy, fluoroalkyl, fluoroaryl, fluoroalkoxy, and fluoroaryloxy and wherein R 5 and R 6 can, when taken together, form a ring, provided that when E is (CR 5 R 6 ) m , and m is 1, at least one of R 5 and R 6 is not hydrogen or a hydrocarbon, and provided that when E is (SiR 5 R 6 ) m and m is 1, R 3 is selected from 1-naphthyl and 2-naphthyl.
2. The compound of claim 1 , and wherein R 5 and R 6 , when taken together, form a non-aromatic ring.
3. The compound of claim 2 wherein R 1 is different at each occurrence.
4. The compound of claim 1 wherein n is greater than 1.
5. The compound of claim 1 wherein R 2 is H.
6. The composition of claim 5 wherein R 3 is aryl.
7. The compound of claim 1 wherein R 1 is selected from phenyl, 1-naphthyl, and 2-naphthyl.
8. The compound of claim 1 wherein n=1, R 2 is H, and R 3 is selected from phenyl, 1-naphthyl, and 2-naphthyl.
9. A compound of formula (III):
wherein
n is an integer of at least 1, R 1 is selected from aryl, heteroaryl, fluoroaryl, and fluoroheteroaryl; R 2 is selected from H, R 1 , alkyl, fluoroalkyl, Cl, Br, I and arylamino of formula (II)
R 4 is selected from aryl, H, R 1 , alkyl, fluoroalkyl; R 7 is selected from aryl, heteroaryl, fluoroaryl, and fluoroheteroaryl substituted with 1 or more fluorine atoms up to 7 fluorine atoms; and
E is selected from O, S, (SiR 5 R 6 ) m wherein m is an integer of 1 to 20, (CR 5 R 6 ) m wherein m is an integer of 1 to 20, and combinations thereof, and can be different at each occurrence, wherein R 5 and R 6 are each independently selected from H, F, alkyl, aryl, alkoxy, aryloxy, fluoroalkyl, fluoroaryl, fluoroalkoxy, and fluoroaryloxy and wherein R 5 and R 6 can, when taken together, form a ring, provided that when E is (CR 5 R 6 ) m , and m is 1, then n is greater than 1 and at least one of R 5 and R 6 is not hydrogen or a hydrocarbon, and when E=O or S, R 2 is not H;
wherein substituents on any one or more aromatic rings in the compound of formula (III) are selected from the group consisting of H, F, alkyl, aryl, alkoxy, aryloxy, fluoroalkyl, fluoroaryl, fluoroalkoxy, and fluoroaryloxy; and
R 1 is different at each occurrence.
10. The compound of claim 9 , wherein R 5 and R 6 , when taken together, form a non-aromatic ring.
11. The compound of claim 9 wherein R 2 is aryl.
12. The compound of claim 9 wherein R 4 is aryl.
13. The compound of claim 9 wherein R 1 is selected from phenyl, 1-naphthyl, and 2-naphthyl.
14. The compound of claim 9 wherein n=1, R 2 is H, and R 1 is selected from phenyl, 1-naphthyl, and 2-naphthyl.
15. The compound of claim 9 wherein at least one aromatic ring in the compound of formula (III) has a substituent.
16. The compound of claim 9 wherein substituents on two neighboring aromatic rings in the compound of formula (III) together form an aromatic or non-aromatic ring.
17. The compound of claim 9 wherein adjacent substituents on at least one aromatic ring together form a fused aromatic or non-aromatic ring.
18. An electronic device comprising at least one layer comprising at least one compound selected from the compounds of claim 1 or claim 9 .
19. The device of claim 18 , wherein the layer is a charge transport layer.
20. The device of claim 18 , wherein the layer is a light-emitting layer.
21. The device of claim 18 , wherein the device is selected from a light-emitting diode, a light-emitting diode display, a laser diode, a photodetector, photoconductive cell, photoresistor, photoswitch, phototransistor, phototube, IR-detector, photovoltaic device, solar cell, transistor or diode.
22. A composition comprising a compound of at least one compound selected from:
wherein:
n is an integer of at least 1;
R 1 is selected from aryl, heteroaryl, fluoroaryl, and fluoroheteroaryl substituted with 1 or more fluorine atoms;
R 3 is selected from H and R 1 ;
R 2 is selected from H, R 1 , alkyl, fluoroalkyl, Cl, Br, I and an arylamino group of formula (II),
wherein R 4 is selected from aryl, H, R 1 , alkyl, and fluoroalkyl;
R 7 is selected from aryl, heteroaryl, fluoroaryl, and fluoroheteroaryl substituted with 1 or more fluorine atoms up to 7 fluorine atoms; and
E is selected from O, S, (SiR 5 R 6 ) m wherein m is an integer of 1 to 20, (CR 5 R 6 ) m wherein m is an integer of 1 to 20, and combinations thereof, wherein R 5 and R 6 are each independently selected from H, F, alkyl, aryl, alkoxy, aryloxy, fluoroalkyl, fluoroaryl, fluoroalkoxy, and fluoroaryloxy and wherein R 5 and R 6 can, when taken together, form a ring, provided that when E is (CR 5 R 6 ) m , and m is 1, at least one of R 5 and R 6 is not hydrogen or a hydrocarbon, and provided that when E is (SiR 5 R 6 ) m and m is 1, R 3 is selected from 1-naphthyl and 2-naphthyl,
and
wherein
n is an integer of at least 1, R 1 is selected from aryl, heteroaryl, fluoroaryl, and fluoroheteroaryl; R 2 is selected from H, R 1 , alkyl, fluoroalkyl, Cl, Br, I and arylamino of formula (II)
R 4 is selected from aryl, H, R 1 , alkyl, fluoroalkyl; R 7 is selected from aryl, heteroaryl, fluoroaryl, and fluoroheteroaryl substituted with 1 or more fluorine atoms up to 7 fluorine atoms; and
E is selected from O, S, (SiR 5 R 6 ) m wherein m is an integer of 1 to 20, (CR 5 R 6 ) m wherein m is an integer of 1 to 20, and combinations thereof, and can be different at each occurrence, wherein R 5 and R 6 are each independently selected from H, F, alkyl, aryl, alkoxy, aryloxy, fluoroalkyl, fluoroaryl, fluoroalkoxy, and fluoroaryloxy and wherein R 5 and R 6 can, when taken together, form a non-aromatic ring, provided that when E is (CR 5 R 6 ) m , and n is greater than 1 and m is 1, at least one of R 5 and R 6 is not hydrogen or a hydrocarbon, and when E=O or S, R 2 is not H;
wherein substituents on any one or more aromatic rings in the compound of formula (III) are selected from the group consisting of H, F, alkyl, aryl, alkoxy, aryloxy, fluoroalkyl, fluoroaryl, fluoroalkoxy, and fluoroaryloxy: and
R 1 is different at each occurrence.
23. A process for producing a polymer, comprising:
(a) providing two or more compounds having the formulae (I) or (III):
wherein:
n is an integer of at least 1;
R 1 is selected from aryl, heteroaryl, fluoroaryl, and fluoroheteroaryl substituted with 1 or more fluorine atoms;
R 3 is selected from H and R 1 ;
R 2 is selected from H, R 1 , alkyl, fluoroalkyl, Cl, Br, I and an arylamino group of formula (II),
wherein R 4 is selected from aryl, H, R 1 , alkyl, and fluoroalkyl; R 7 is selected from aryl, heteroaryl, fluoroaryl, and fluoroheteroaryl substituted with 1 or more fluorine atoms up to 7 fluorine atoms; and
E is selected from O, S, (SiR 5 R 6 ) m wherein m is an integer of 1 to 20, (CR 5 R 6 ) m wherein m is an integer of 1 to 20, and combinations thereof, wherein R 5 and R 6 are each independently selected from H, F, alkyl, aryl, alkoxy, aryloxy, fluoroalkyl, fluoroaryl, fluoroalkoxy, and fluoroaryloxy and wherein R 5 and R 6 can, when taken together, form a non-aromatic ring, provided that when E is (CR 5 R 6 ) m , and n is greater than 1 and m is 1, at least one of R 5 and R 6 is not hydrogen or a hydrocarbon
or
wherein
n is an integer of at least 1, R 1 is selected from aryl, heteroaryl, fluoroaryl, and fluoroheteroaryl and may be different at each occurrence; R 2 is selected from H, R 1 , alkyl, fluoroalkyl, Cl, Br, I and arylamino of formula (II)
R 4 is selected from aryl, H, R 1 , alkyl, fluoroalkyl; R 7 is selected from aryl, heteroaryl, fluoroaryl, and fluoroheteroaryl substituted with 1 or more fluorine atoms, preferably up to 7 fluorine atoms; and
E is selected from O, S, (SiR 5 R 6 ) m wherein m is an integer of 1 to 20, (CR 5 R 6 ) m wherein m is an integer of 1 to 20, and combinations thereof, and can be different at each occurrence, wherein R 5 and R 6 are each independently selected from H, F, alkyl, aryl, alkoxy, aryloxy, fluoroalkyl, fluoroaryl, fluoroalkoxy, and fluoroaryloxy and wherein R 5 and R 6 can, when taken together, form a non-aromatic ring, provided that when E is (CR 5 R 6 ) m , and n is greater than 1 and m is 1, at least one of R 5 and R 6 is not hydrogen or a hydrocarbon, and when E=O, R 2 is not H;
(b) reacting said compounds in the presence of a copper, nickel, or palladium catalyst while maintaining said compounds at a temperature of 22° C. to 150° C. for 24 to 92 hours, to form a first polymer;
(c) treating said polymer with an endcapping group to form a capped polymer; and
(d) further reacting said capped polymer for 24 to 48 hours to produce said polymer.