Organic compound and organic thin film and electronic device

1. An organic compound represented by Chemical Formula 1:

wherein in Chemical Formula 1,

each of A and B are independently one of a substituted or unsubstituted C 6 to C 30 arylene group, a divalent substituted or unsubstituted C 2 to C 30 heterocyclic group, and a combination thereof,

each of Z 1 to Z 6 are independently one of hydrogen, a C 1 to C 10 haloalkyl group, and a halogen, provided that at least one of Z 1 to Z 6 is one of a C 1 to C 10 haloalkyl group and a halogen,

each of n 1 and n 2 are independently an integer of 0 to 5, and

L is a condensed polycyclic group including 6 or more fused rings and a group represented by Chemical Formula 2,

wherein, in Chemical Formula 2,

each of Ar 1 and Ar 2 are independently one of a substituted or unsubstituted five-membered ring and a substituted or unsubstituted six-membered ring,

Ar 3 is one of

each of X 1 to X 2 are independently one of O, Se, Te, and NR a ,

each of X 3 to X 4 are independently one of O, S, Se, Te, and NR a ,

each of R 1 , R 2 , R a , R x and R y are independently one of hydrogen, a substituted or unsubstituted C 1 to C 30 alkyl group, a substituted or unsubstituted C 3 to C 30 cycloalkyl group, a substituted or unsubstituted C 6 to C 30 aryl group, a substituted or unsubstituted C 7 to C 30 arylalkyl group, a substituted or unsubstituted C 1 to C 30 heteroalkyl group, a substituted or unsubstituted C 2 to C 30 heterocycloalkyl group, a substituted or unsubstituted C 2 to C 30 heterocyclic group, a substituted or unsubstituted C 2 to C 30 lalkenyl group, a substituted or unsubstituted C 2 to C 30 alkynyl group, a hydroxy group, a halogen, and a combination thereof,

each of a and b are independently an integer ranging from 1 to 3, and

* is a linking point,

when in Chemical Formula 2, Ar 3 is

 and a=b=1, the L is a group represented by Chemical Formula 3:

wherein, in Chemical Formula 3,

Ar 1 , Ar 2 , X 1 to X 4 , R 1 , R 2 and * are the same as defined in Chemical Formula 2.

2. The organic compound of claim 1 , wherein each of the Ar 1 and Ar 2 groups are independently one of a substituted or unsubstituted benzene ring and a substituted or unsubstituted heterocyclic group.

3. The organic compound of claim 1 , wherein each of the Ar 1 and Ar 2 groups are a substituted or unsubstituted benzene ring.

4. The organic compound of claim 3 , wherein a and b satisfy one of a=b=1 and a=b=2.

5. The organic compound of claim 1 , wherein the L is represented by one of the following compounds of Group 1:

wherein, in Group 1,

each of X 1 to X 2 are independently one of O, Se, Te, and NR a ,

each of X 3 to X 4 are independently one of O, S, Se, Te, and NR a ,

each of R 1 to R 12 and R a are independently one of hydrogen, a substituted or unsubstituted C 1 to C 30 alkyl group, a substituted or unsubstituted C 3 to C 30 cycloalkyl group, a substituted or unsubstituted C 6 to C 30 aryl group, a substituted or unsubstituted C 7 to C 30 arylalkyl group, a substituted or unsubstituted C 1 to C 30 heteroalkyl group, a substituted or unsubstituted C 2 to C 30 heterocycloalkyl group, a substituted or unsubstituted C 2 to C 30 heterocyclic group, a substituted or unsubstituted C 2 to C 30 alkenyl group, a substituted or unsubstituted C 2 to C 30 alkynyl group, a hydroxy group, a halogen, and a combination thereof, and

* is a linking point.

6. The organic compound of claim 1 , wherein each of A and B is represented by one of the following compounds of Group 2:

wherein, in Group 2,

each of X 21 to X 23 are independently one of O S, Se, Te, and NR a , each of R 21 to R 26 and R a are independently one of hydrogen, a substituted or unsubstituted C 1 to C 30 alkyl group, a substituted or unsubstituted C 3 to C 30 cycloalkyl group, a substituted or unsubstituted C 6 to C 30 aryl group, a substituted or unsubstituted C 7 to C 30 arylalkyl group, a substituted or unsubstituted C 1 to C 30 heteroalkyl group, a substituted or unsubstituted C 2 to C 30 heterocycloalkyl group, a substituted or unsubstituted C 2 to C 30 heterocyclic , group, a substituted or unsubstituted C 2 to C 30 alkenyl group, a substituted or unsubstituted C 2 to C 30 alkynyl group, a hydroxy group, a halogen, and a combination thereof, and

* is a linking point.

7. The organic compound of claim 1 , wherein each of the Z 1 to Z 6 groups are independently a halogen.

8. The organic compound of claim 1 , wherein the organic compound is represented by one of the following compounds of Group 3:

wherein, in Group 3,

each of X 1 to X 2 are independently one of O, Se, Te, and NR a ,

each of X 3 to X 4 are independently one of O, S, Se, Te, and NR a ,

R a is one of hydrogen, a substituted or unsubstituted C 1 to C 30 alkyl group, a substituted or unsubstituted C 3 to C 30 cycloalkyl group, a substituted or unsubstituted C 6 to C 30 aryl group, a substituted or unsubstituted C 7 to C 30 arylalkyl group, a substituted or unsubstituted C 1 to C 30 heteroalkyl group, a substituted or unsubstituted C 2 to C 30 heterocycloalkyl group, a substituted or unsubstituted C 2 to C 30 heterocyclic group, a substituted or unsubstituted C 2 to C 30 alkenyl group, a substituted or unsubstituted C 2 to C 30 alkynyl group, a hydroxy group, a halogen, and a combination thereof.

9. An organic thin film comprising the organic compound of claim 1 .

10. A thin film transistor comprising:

a gate electrode;

an organic semiconductor overlapping the gate electrode, the organic semiconductor including the organic compound of claim 1 ; and

a source electrode and a drain electrode electrically connected to the organic semiconductor.

11. An electronic device comprising the thin film transistor of claim 10 .

12. The electronic device of claim 11 , wherein the electronic device includes one of a solar cell, a liquid crystal display, an organic light emitting device, an electrophoretic device, an organic photoelectric device, and an organic sensor.

13. An electronic device comprising the organic thin film of claim 9 .