ELECTROACTIVE COMPOUNDS
There is provided a compound having Formula I In Formula I=Ar 1 is a hydrocarbon aryl group, a heteroaryl group, or a substituted derivative thereof; and Q has Formula Q1, Q2, or Q3 The variables are described in detail herein.
1 . A compound having Formula I
wherein ═
Ar 1 is selected from the group consisting of hydrocarbon aryl groups, heteroaryl groups, and substituted derivatives thereof;
Q is selected from the group consisting of Formula Q1, Formula Q2, and Formula Q3
wherein ═
Ar 2 is selected from the group consisting of hydrocarbon aryl groups, heteroaryl groups, and substituted derivatives thereof;
Ar 3 is the same or different at each occurrence and is selected from the group consisting of phenyl, naphthyl, and substituted derivatives thereof;
Y is the same or different at each occurrence and is selected from the group consisting of O, S, and Se;
FR represents a fused ring system selected from the group consisting of fused hydrocarbon aryl rings having an additional 4-18 ring carbons, fused heteroaryl rings having an additional 4-18 ring carbons and at least one ring heteroatom, and substituted derivatives thereof;
R 1 , R 2 , and R 4 are the same or different at each occurrence and are selected from the group consisting of D, F, CN, alkyl, fluoroalkyl, hydrocarbon aryl, heteroaryl, silyl, germyl, deuterated alkyl, deuterated partially-fluorinated alkyl, deuterated hydrocarbon aryl, deuterated heteroaryl, deuterated heteroaryl deuterated silyl, and deuterated germyl, where adjacent R 2 groups can be joined together to form a fused hydrocarbon aromatic ring or heteroaromatic ring;
R 3 is selected from the group consisting of H, D, F, CN, alkyl, fluoroalkyl, hydrocarbon aryl, heteroaryl, silyl, germyl, deuterated alkyl, deuterated partially-fluorinated alkyl, deuterated hydrocarbon aryl, deuterated heteroaryl, deuterated heteroaryl deuterated silyl, and deuterated germyl;
a is an integer from 0-8;
b is an integer from 0-1;
c is an integer from 0-4;
d is an integer from 0-3;
e is an integer from 0 to the maximum number of bonding sites available; and
* indicates a point of attachment in the identified formula.
2 . The compound of claim 1 , wherein FR represents a fused ring selected from the group consisting of benzene, naphthalene, anthracene, phenanthrene, fluorene, and substituted derivatives thereof.
3 . The compound of claim 1 , wherein FR represents a fused ring selected from the group consisting of benzo[b]furan, benzo[c]furan, dibenzofuran, benzo[b]thiophene, benzo[c]thiophene, dibenzothiophene, and substituted derivatives thereof.
4 . The compound of claim 1 , wherein Q is Q1:
wherein Ar 2 , Ar 3 , R 2 , Y, b, c, and * are as defined in claim 1 .
5 . The compound of claim 4 , wherein the compound is selected from the group consisting of
6 . The compound of claim 1 , wherein Q is Q2:
wherein Ar 3 , R 2 , R 3 , Y, b, c, and * are as defined in claim 1 .
7 . The compound of claim 6 , wherein the compound is selected from the group consisting of
8 . The compound of claim 1 , wherein Q is Q3:
wherein Ar 2 , Ar 3 , R 3 , R 4 , Y, FR, b, e, and * are as defined in claim 1 .
9 . The compound of claim 8 , wherein the compound is selected from the group consisting of
10 . An organic electronic device comprising a first electrical contact, a second electrical contact and a photoactive layer therebetween, wherein the photoactive layer comprises a compound according to claim 1 .