Photoelectric conversion element, photosensor, and imaging device

1. A photoelectric conversion element comprising:

a transparent conductive film;

a conductive film; and

a photoelectric conversion film and an electron blocking layer which are disposed between the transparent conductive film and the conductive film,

wherein the electron blocking layer contains a compound represented by the following Formula (1),

(in Formula (1), R 1 is a condensed-ring aromatic hydrocarbon group which may have a substituent or a group which is represented by the following Formula (2),

*—Ar 21 Ar 22 ) n   (2)

(in Formula (2), Ar 21 represents an (n+1)-valent aromatic hydrocarbon group or an (n+1)-valent aromatic heterocyclic group which may have a substituent,

Ar 22 represents an aromatic hydrocarbon group or an aromatic heterocyclic group which may have a substituent,

n represents an integer of 1 to 3, in a case where n is an integer of equal to or greater than 2, a plurality of Ar 22 's may be the same as or different from each other, and

* represents a binding position),

the total number of carbon atoms of an aromatic hydrocarbon structure and an aromatic heterocyclic structure contained in R 1 is 15 to 30, and

each of R 2 , R 4 to R 7 , R 9 , R 12 to R 19 and R 22 to R 29 independently represents a hydrogen atom or a substituent).

2. The photoelectric conversion element according to claim 1 ,

wherein the photoelectric conversion film contains a compound represented by the following Formula (W),

(in Formula (W), Z 1 is a ring containing at least two carbon atoms and represents a 5-membered ring, a 6-membered ring, or a condensed ring containing at least any of a 5-membered ring and a 6-membered ring, Z 1 may have a substituent,

each of L 1 , L 2 , and L 3 independently represents a methine group which may have a substituent,

n represents an integer of equal to or greater than 0,

Ar 11 represents an arylene group or a heteroarylene group which may have a substituent,

Ar 11 and L 1 may form a ring by being bonded to each other, and the ring formed by Ar 11 and L 1 bonded to each other may have a substituent,

each of Ar 12 and Ar 13 independently represents an aryl group or a heteroaryl group which may have a substituent, and Ar 11 and Ar 12 , A r11 and Ar 13 , or Ar 12 and Ar 13 may form a ring by being bonded to each other).

3. A photosensor comprising the photoelectric conversion element according to claim 1 .

4. An imaging device comprising the photoelectric conversion element according to claim 1 .

5. The photoelectric conversion element according to claim 1 ,

wherein R 1 is a condensed-ring aromatic hydrocarbon group which may have a substituent, and the condensed ring constituting the condensed-ring aromatic hydrocarbon group consists of four or more benzene rings.

6. The photoelectric conversion element according to claim 5 ,

wherein the photoelectric conversion film contains a compound represented by the following Formula (W),

(in Formula (W), Z 1 is a ring containing at least two carbon atoms and represents a 5-membered ring, a 6-membered ring, or a condensed ring containing at least any of a 5-membered ring and a 6-membered ring, Z 1 may have a substituent,

each of L 1 , L 2 , and L 3 independently represents a methine group which may have a substituent,

n represents an integer of equal to or greater than 0,

Ar 11 represents an arylene group or a heteroarylene group which may have a substituent,

Ar 11 and L 1 may form a ring by being bonded to each other, and the ring formed by Ar 11 and L 1 bonded to each other may have a substituent,

each of Ar 12 and Ar 13 independently represents an aryl group or a heteroaryl group which may have a substituent, and Ar 11 and Ar 12 , Ar 11 and Ar 13 , or Ar 12 and Ar 13 may form a ring by being bonded to each other).

7. An imaging device comprising the photoelectric conversion element according to claim 5 .

8. The photoelectric conversion element according to claim 1 ,

wherein R 1 is a group represented by the following Formula (A),

(in Formula (A), each of Ra 1 to Ra 9 independently represents a hydrogen atom or a substituent, and

* represents a binding position).

9. The photoelectric conversion element according to claim 8 ,

wherein the photoelectric conversion film contains a compound represented by the following Formula (W),

(in Formula (W), Z 1 is a ring containing at least two carbon atoms and represents a 5-membered ring, a 6-membered ring, or a condensed ring containing at least any of a 5-membered ring and a 6-membered ring, Z 1 may have a substituent,

each of L 1 , L 2 , and L 3 independently represents a methine group which may have a substituent,

n represents an integer of equal to or greater than 0,

Ar 11 represents an arylene group or a heteroarylene group which may have a substituent,

Ar 11 and L 1 may form a ring by being bonded to each other, and the ring formed by Ar 11 and L 1 bonded to each other may have a substituent,

each of Ar 12 and Ar 13 independently represents an aryl group or a heteroaryl group which may have a substituent, and Ar 11 and Ar 12 , Ar 11 and Ar 13 , or Ar 12 and Ar 13 may form a ring by being bonded to each other).

10. An imaging device comprising the photoelectric conversion element according to claim 8 .

11. The photoelectric conversion element according to claim 1 ,

wherein R 1 is a group represented by the following Formula (C),

(in Formula (C), each of Rc 1 to Rc 11 independently represent a hydrogen atom or a substituent, and

* represents a binding position).

12. The photoelectric conversion element according to claim 11 ,

wherein the photoelectric conversion film contains a compound represented by the following Formula (W),

(in Formula (W), Z 1 is a ring containing at least two carbon atoms and represents a 5-membered ring, a 6-membered ring, or a condensed ring containing at least any of a 5-membered ring and a 6-membered ring, Z 1 may have a substituent,

each of L 1 , L 2 , and L 3 independently represents a methine group which may have a substituent,

n represents an integer of equal to or greater than 0,

Ar 11 represents an arylene group or a heteroarylene group which may have a substituent,

Ar 11 and L 1 may form a ring by being bonded to each other, and the ring formed by Ar 11 and L 1 bonded to each other may have a substituent,

each of Ar 12 and Ar 13 independently represents an aryl group or a heteroaryl group which may have a substituent, and Ar 11 and Ar 12 , Ar 11 and Ar 13 , or Ar 12 and Ar 13 may form a ring by being bonded to each other).

13. An imaging device comprising the photoelectric conversion element according to claim 11 .

14. A photoelectric conversion element comprising:

a transparent conductive film;

a conductive film; and

a photoelectric conversion film and an electron blocking layer which are disposed between the transparent conductive film and the conductive film,

wherein the electron blocking layer contains a compound represented by the following Formula (1),

(in Formula (1), R 1 is a group represented by the following Formula (B),

(in Formula (B), each of Rb 1 to Rb 8 independently represents a hydrogen atom or a substituent, and

* represents a binding position), and

each of R 2 , R 4 to R 7 , R 9 , R 12 to R 19 , and R 22 to R 29 independently represents a hydrogen atom or a substituent).

15. The photoelectric conversion element according to claim 14 ,

wherein the photoelectric conversion film contains a compound represented by the following Formula (W),

(in Formula (W), Z 1 is a ring containing at least two carbon atoms and represents a 5-membered ring, a 6-membered ring, or a condensed ring containing at least any of a 5-membered ring and a 6-membered ring, Z 1 may have a substituent,

each of L 1 , L 2 , and L 3 independently represents a methine group which may have a substituent,

n represents an integer of equal to or greater than 0,

Ar 11 represents an arylene group or a heteroarylene group which may have a substituent,

Ar 11 and L 1 may form a ring by being bonded to each other, and the ring formed by Ar 11 and L 1 bonded to each other may have a substituent,

each of Ar 12 and Ar 13 independently represents an aryl group or a heteroaryl group which may have a substituent, and Ar 11 and Ar 12 , Ar 11 and Ar 13 , or Ar 12 and Ar 13 may form a ring by being bonded to each other).

16. An imaging device comprising the photoelectric conversion element according to claim 14 .