Composition for optoelectronic device and organic optoelectronic device and display device
A composition for an organic optoelectronic device, an organic optoelectronic device, and a display device, the composition comprising a first compound represented by Chemical Formula I; a second compound represented by Chemical Formula II; and a third compound represented by Chemical Formula III,
1. A composition for an organic optoelectronic device, the composition comprising:
a first compound;
a second compound; and
a third compound,
wherein the first compound is represented by Chemical Formula I,
the second compound is represented by Chemical Formula II, and
the third compound is represented by Chemical Formula III:
wherein, in Chemical Formula I,
Z 1 to Z 3 are each independently N or C-L a -R a , at least two of Z to Z 3 being N,
L a and L 1 to L 3 are each independently a single bond, a substituted or unsubstituted C6 to C20 arylene group, a substituted or unsubstituted C2 to C20 heterocyclic group, or a combination thereof,
R 1 and R 2 are each independently a substituted or unsubstituted C6 to C30 aryl group, a substituted or unsubstituted C2 to C30 heterocyclic group, or a combination thereof,
R a and R 3 to R 6 are each independently hydrogen, deuterium, a substituted or unsubstituted C1 to C30 alkyl group, a substituted or unsubstituted C6 to C30 aryl group, a substituted or unsubstituted C2 to C30 heterocyclic group, a substituted or unsubstituted silyl group, a substituted or unsubstituted amine group, a halogen, a cyano group, or a combination thereof, and
ring A is represented by one of Substituent A-1 to Substituent A-6,
wherein, in Substituent A-1 to Substituent A-6,
X 1 is O, S, or NR b ,
R b and R 7 to R 22 are each independently hydrogen, deuterium, a substituted or unsubstituted C1 to C30 alkyl group, a substituted or unsubstituted C6 to C30 aryl group, a substituted or unsubstituted C2 to C30 heterocyclic group, a substituted or unsubstituted silyl group, a substituted or unsubstituted amine group, a halogen, a cyano group, or a combination thereof, and
* is a linking carbon;
wherein, in Chemical Formula II,
L 4 is a single bond, a substituted or unsubstituted C6 to C20 arylene group, a substituted or unsubstituted C2 to C20 heterocyclic group, or a combination thereof,
Ar 1 is a substituted or unsubstituted C6 to C30 aryl group, a substituted or unsubstituted dibenzofuranyl group, a substituted or unsubstituted dibenzothiophenyl group, or a combination thereof,
R 23 to R 26 are each independently hydrogen, deuterium, a substituted or unsubstituted C1 to C30 alkyl group, a substituted or unsubstituted C6 to C30 aryl group, a substituted or unsubstituted C2 to C30 heterocyclic group, a substituted or unsubstituted silyl group, a substituted or unsubstituted amine group, a halogen, a cyano group, or a combination thereof, and
ring B is represented by one of Substituent B-1 to Substituent B-4:
wherein, in Substituent B-1 to Substituent B-4,
L 5 to L 7 are each independently a single bond, a substituted or unsubstituted C6 to C20 arylene group, a substituted or unsubstituted C2 to C20 heterocyclic group, or a combination thereof,
Ar 2 and Ar 3 are each independently a substituted or unsubstituted C6 to C30 aryl group, a substituted or unsubstituted dibenzofuranyl group, a substituted or unsubstituted dibenzothiophenyl group, or a combination thereof,
R 27 to R 38 are each independently hydrogen, deuterium, a substituted or unsubstituted C1 to C30 alkyl group, a substituted or unsubstituted C6 to C30 aryl group, a substituted or unsubstituted C2 to C30 heterocyclic group, a substituted or unsubstituted silyl group, a substituted or unsubstituted amine group, a halogen, a cyano group, or a combination thereof, and
* is a linking carbon;
wherein, in Chemical Formula III,
X 2 is O, or S,
L 8 to L 11 are each independently a single bond or a substituted or unsubstituted C6 to C20 arylene group,
R 39 to R 42 are each independently hydrogen, deuterium, a substituted or unsubstituted C1 to C30 alkyl group, a substituted or unsubstituted C6 to C30 aryl group, a substituted or unsubstituted dibenzofuranyl group, or a substituted or unsubstituted dibenzothiophenyl group, and
at least one of R 39 to R 42 is a substituted or unsubstituted dibenzofuranyl group or a substituted or unsubstituted dibenzothiophenyl group.
2. The composition as claimed in claim 1 , wherein the first compound is represented by Chemical Formula I-A, Chemical Formula I-D, Chemical Formula I-E, Chemical Formula I-F, Chemical Formula I-G, Chemical Formula I-H, Chemical Formula I-I, or Chemical Formula I-J:
wherein, in Chemical Formula I-A, Chemical Formula I-D, Chemical Formula I-E, Chemical Formula I-F, Chemical Formula I-G, Chemical Formula I-H, Chemical Formula I-I, and Chemical Formula I-J, Z 1 to Z 3 , L 1 to L 3 , R 1 to R 22 , and X 1 are defined the same as those of Chemical Formula I.
3. The composition as claimed in claim 1 , wherein the first compound is represented by Chemical Formula I-A-1, Chemical Formula I-A-4, or Chemical Formula I-E-1:
wherein, in Chemical Formula I-A-1, Chemical Formula I-A-4, and Chemical Formula I-E-1, Z 1 to Z 3 , L 8 to L 3 , R 1 , R 2 , R 5 , and X 1 are defined the same as those of Chemical Formula I.
4. The composition as claimed in claim 1 , wherein the second compound is represented by Chemical Formula IIA or Chemical Formula IIF:
wherein, in Chemical Formula IIA and Chemical Formula IIF, L 4 to L 7 , Ar 1 to Ar 3 , and R 23 to R 38 are defined the same as those of Chemical Formula II.
5. The composition as claimed in claim 4 , wherein:
the second compound is represented by Chemical Formula IIA,
Chemical Formula IIA is represented by Chemical Formula IIA-I or Chemical Formula IIA-2:
in Chemical Formula IIA-I and Chemical Formula IIA-2, L 4 , L 6 , Ar 1 , Ar 2 , and R 23 to R 32 are defined the same as those of Chemical Formula II.
6. The composition as claimed in claim 1 , wherein the third compound is represented by Chemical Formula IIIA-1, Chemical Formula IIIA-2, Chemical Formula IIIA-4, or Chemical Formula IIIB-4:
wherein, in Chemical Formula IIIA-1, Chemical Formula IIIA-2, Chemical Formula IIIA-4, and Chemical Formula IIIB-4,
X 2 , R 40 to R 45 , and L 8 to L 11 are defined the same as those of Chemical Formula III,
X 3 and X 4 are each independently O or S, and
R 46 to R 48 are each independently hydrogen, deuterium, a substituted or unsubstituted C1 to C30 alkyl group, or a substituted or unsubstituted C6 to C30 aryl group.
7. The composition as claimed in claim 1 , wherein the third compound is represented by Chemical Formula IIIA-1-4, Chemical Formula IIIA-2-2, Chemical Formula IIIA-4-1, Chemical Formula IIIB-4-1, or Chemical Formula IIIB-4-5:
wherein, in Chemical Formula IIIA-1-4, Chemical Formula IIIA-2-2, Chemical Formula IIIA-4-1, Chemical Formula IIIB-4-1, and Chemical Formula IIIB-4-5,
X 2 , R 40 to R 45 , and L 8 to L 11 are defined the same as those of Chemical Formula III,
X 3 and X 4 are each independently O or S, and
R 46 to R 48 are each independently hydrogen, deuterium, a substituted or unsubstituted C1 to C30 alkyl group, or a substituted or unsubstituted C6 to C30 aryl group.
8. The composition as claimed in claim 1 , wherein the third compound is a compound of the following Group 3:
9. The composition as claimed in claim 1 , wherein:
the first compound is represented by Chemical Formula IA-1,
the second compound is represented by Chemical Formula IIA-2, and
the third compound is represented by Chemical Formula IIIA-2-2:
in Chemical Formula IA-1,
Z 1 to Z 3 are each N,
L 1 to L 3 are each independently a single bond or a substituted or unsubstituted phenylene group, and
R 1 and R 2 are each independently a substituted or unsubstituted phenyl group, a substituted or unsubstituted biphenyl group, a substituted or unsubstituted carbazolyl group, a substituted or unsubstituted dibenzofuranyl group, or a substituted or unsubstituted dibenzothiophenyl group;
in Chemical Formula IIA-2,
R 23 to R 32 are each independently hydrogen, deuterium, a cyano group, a substituted or unsubstituted phenyl group, or a substituted or unsubstituted biphenyl group,
L 4 and L 6 are each independently a single bond, a substituted or unsubstituted phenylene group, or a substituted or unsubstituted biphenylene group, and
Ar 1 and Ar 2 are each independently a substituted or unsubstituted phenyl group, a substituted or unsubstituted biphenyl group, a substituted or unsubstituted terphenyl group, a substituted or unsubstituted naphthyl group, a substituted or unsubstituted phenanthrene group, a substituted or unsubstituted triphenylene group, a substituted or unsubstituted fluorenyl group, a substituted or unsubstituted dibenzofuranyl group, or a substituted or unsubstituted dibenzothiophenyl group;
in Chemical Formula IIIA-2-2,
X 2 and X 3 are each independently O or S,
R 40 to R 45 are each independently hydrogen or a substituted or unsubstituted C6 to C18 aryl group,
L 8 is a single bond, and
L 9 to L 11 are each independently a single bond, a substituted or unsubstituted phenylene group, or a substituted or unsubstituted biphenylene group.
10. The composition as claimed in claim 1 , wherein:
the first compound is represented by Chemical Formula IE-1,
the second compound is represented by Chemical Formula IIA-1, and
the third compound is represented by Chemical Formula IIIA-4-1:
in Chemical Formula IE-I,
X 1 is NR b , O, or S,
R b is a substituted or unsubstituted phenyl group, a substituted or unsubstituted biphenyl group, or a substituted or unsubstituted terphenyl group,
Z 1 to Z 3 are each N,
L 8 to L 3 are each independently a single bond or a substituted or unsubstituted phenylene group, and
R 1 and R 2 are each independently a substituted or unsubstituted phenyl group or a substituted or unsubstituted biphenyl group;
in Chemical Formula IIA-1,
R 23 to R 32 are each independently hydrogen, deuterium, a cyano group, a substituted or unsubstituted phenyl group, or a substituted or unsubstituted biphenyl group,
L 4 and L 6 are each independently a single bond, a substituted or unsubstituted phenylene group, or a substituted or unsubstituted biphenylene group, and
Ar 1 and Ar 2 are each independently a substituted or unsubstituted phenyl group, a substituted or unsubstituted biphenyl group, a substituted or unsubstituted terphenyl group, a substituted or unsubstituted naphthyl group, a substituted or unsubstituted phenanthrene group, a substituted or unsubstituted triphenylene group, a substituted or unsubstituted fluorenyl group, a substituted or unsubstituted dibenzofuranyl group, or a substituted or unsubstituted dibenzothiophenyl group;
in Chemical Formula IIIA-4-1,
X 2 and X 3 are each independently O or S,
R 40 to R 45 are each independently hydrogen or a substituted or unsubstituted C6 to C18 aryl group,
L 8 is a single bond, and
L 9 to L 11 are each independently a single bond, a substituted or unsubstituted phenylene group, or a substituted or unsubstituted biphenylene group.
11. The composition as claimed in claim 1 , wherein:
the first compound is represented by Chemical Formula IE-1,
the second compound is represented by Chemical Formula IIA-1 or Chemical Formula IIF, and
the third compound is represented by Chemical Formula IIIB-4-1 or Chemical Formula IIIB-4-5:
in Chemical Formula IE-1,
X 1 is NR b , O, or S,
R b is a substituted or unsubstituted phenyl group, a substituted or unsubstituted biphenyl group, or a substituted or unsubstituted terphenyl group,
Z 1 to Z 3 are each N,
L 1 to L 3 are each independently a single bond or a substituted or unsubstituted phenylene group, and
R 1 and R 2 are each independently a substituted or unsubstituted phenyl group or a substituted or unsubstituted biphenyl group;
in Chemical Formula IIA-I and Chemical Formula IIF,
R 23 to R 38 are each independently hydrogen, deuterium, a cyano group, a substituted or unsubstituted phenyl group, or a substituted or unsubstituted biphenyl group, and
L 4 , L 6 , and L 7 are each independently a single bond, a substituted or unsubstituted phenylene group, or a substituted or unsubstituted biphenylene group,
Ar 1 to Ar 3 are each independently a substituted or unsubstituted phenyl group, a substituted or unsubstituted biphenyl group, a substituted or unsubstituted terphenyl group, a substituted or unsubstituted naphthyl group, a substituted or unsubstituted phenanthrene group, a substituted or unsubstituted triphenylene group, a substituted or unsubstituted fluorenyl group, a substituted or unsubstituted dibenzofuranyl group, or a substituted or unsubstituted dibenzothiophenyl group;
in Chemical Formula IIIB-4-1 and Chemical Formula IIIB-4-5,
X 2 to X 4 are each independently O or S,
R 40 , R 41 , and R 43 to R 48 are each independently hydrogen or a substituted or unsubstituted C6 to C18 aryl group, and
L 8 to L 11 are each independently a single bond, or a substituted or unsubstituted phenylene group.
12. The composition as claimed in claim 1 , wherein the composition for an organic optoelectronic device includes:
about 20 wt % to about 50 wt % of the first compound,
about 40 wt % to about 60 wt % of the second compound, and
about 10 wt % to about 30 wt % of the third compound, all wt % being based on a total weight of the first compound, the second compound, and the third compound.
13. An organic optoelectronic device, comprising:
an anode and a cathode facing each other, and
at least one organic layer between the anode and the cathode,
wherein the at least one organic layer includes the composition for an organic optoelectronic device as claimed in claim 1 .
14. The organic optoelectronic device as claimed in claim 13 , wherein:
the at least one organic layer includes a light emitting layer, and
the light emitting layer includes the composition for an organic optoelectronic device.
15. The organic optoelectronic device as claimed in claim 14 , wherein the first compound, the second compound, and the third compound are a phosphorescent host of the light emitting layer.
16. The organic optoelectronic device as claimed in claim 15 , wherein the composition for an organic optoelectronic device is a green light emitting composition.
17. A display device comprising the organic optoelectronic device as claimed in claim 13 .