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US 2023/0144755 A1Published application
Photoelectric conversion element, imaging element, optical sensor, and compound
AssigneeFUJIFILM Corporation
InventorsKazuhei Kaneko, Yosuke Yamamoto
Life of this patent
Estimating the term…
Abstract
An object of the present invention is to provide a photoelectric conversion element that exhibits excellent external quantum efficiency and responsiveness to light at all wavelengths in a red wavelength region, a green wavelength region, and a blue wavelength region. Another object of the present invention is to provide an imaging element, an optical sensor, and a compound related to the photoelectric conversion element. The photoelectric conversion element includes, in the following order, a conductive film, a photoelectric conversion film, and a transparent conductive film, in which the photoelectric conversion film contains a compound represented by Formula (1).
Claims20
A photoelectric conversion element comprising, in the following order:
- a conductive film;
- a photoelectric conversion film;
- and
- a transparent conductive film,
- wherein the photoelectric conversion film contains a compound represented by Formula (1),
- in Formula (1), X11 and X12 each independently represent an oxygen atom, a sulfur atom, a selenium atom, or —NRa4—, X13 represents a nitrogen atom or ═CRa5—, Ra1 to Ra5 each independently represent a hydrogen atom or a substituent, A11 represents a ring containing at least two carbon atoms, Y11 represents an oxygen atom, a sulfur atom, ═NRa6, or ═CRa7Ra8, Ra6 represents a hydrogen atom or a substituent, Ra7 and Ra8 each independently represent a cyano group or —COORa9, Ra9 represents an alkyl group, an aryl group, or a heteroaryl group, which may have a substituent,
- Formula (1) satisfies conditions A and B as follows:
- the condition A in which X13 represents a nitrogen atom in a case where X11 in Formula (1) represents —NRa4—;
- the condition B in which Ra1 represents a hydrogen atom or represents an aryl group or an alkynyl group which may have a substituent having a molecular weight of 700 or less other than substituents represented by Formulae (DK-1) to (DK-4) in a case in which X11 and X12 each represent a sulfur atom, and X13 represents ═CRa5— in Formula (1),
- in Formula (DK-1), Rx11 to Rx14 each independently represent a hydrogen atom or a substituent, Rx11 and Rx12, Rx12 and Rx13, Rx13 and Rx14 may be bonded to each other to form a ring, respectively, *x1 represents a bonding position,
- in Formula (DK-2), Rx21 and Rx22 each independently represent a substituent, Zx21 represents an oxygen atom or a sulfur atom, *x2 represents a bonding position,
- in Formula (DK-3), Arx31 and Arx32 each independently represent an aryl group or a heteroaryl group, which may have a substituent, Arx33 represents an arylene group or a heteroarylene group, which may have a substituent, Arx31 and Arx32 may be bonded to each other through a single bond or a divalent linking group, in a case where m is 1, Arx31 and Arx33 may be bonded to each other through a single bond or a divalent linking group, in the case where m is 1, Arx32 and Arx33 may be bonded to each other through a single bond or a divalent linking group, m represents 0 or 1, *x31 represents a bonding position,
- in Formula (DK-4), Rx41 represents a substituent, and *x41 represents a bonding position.
10 more elements
A compound represented by Formula (1),
- in Formula (1), X11 and X12 each independently represent an oxygen atom, a sulfur atom, a selenium atom, or —NRa4, X13 represents a nitrogen atom or ═CRa5—, Ral to Ra5 each independently represent a hydrogen atom or a substituent, A11 represents a ring containing at least two carbon atoms, Y11 represents an oxygen atom, a sulfur atom, ═NRa6, or ═CRa7Ra8, Ra6 represents a hydrogen atom or a substituent, Ra7 and Ra8 each independently represent a cyano group or —COORa9, Ra9 represents an alkyl group, an aryl group or a heteroaryl group, which may have a substituent,
- Formula (1) satisfies conditions A and B as follows:
- the condition A in which X13 represents a nitrogen atom in a case where X11 in Formula (1) represents —NRa4—;
- the condition B in which Ral represents a hydrogen atom or represents an aryl group or an alkynyl group which may have a substituent having a molecular weight of 700 or less other than substituents represented by Formulae (DK-1) to (DK-4) in a case in which X11 and X12 each represent a sulfur atom, and X13 represents ═CRa5— in Formula (1),
- in Formula (DK-1), Rx11 to Rx14 each independently represent a hydrogen atom or a substituent, Rx11 and Rx12, Rx12 and Rx13, Rx13 and Rx14 may be bonded to each other to form a ring, respectively, *x1 represents a bonding position,
- in Formula (DK-2), Rx21 and Rx22 each independently represent a substituent, Zx21 represents an oxygen atom or a sulfur atom, *x2 represents a bonding position,
- in Formula (DK-3), Arx31 and Arx32 each independently represent an aryl group or a heteroaryl group, which may have a substituent, Arx33 represents an arylene group or a heteroarylene group, which may have a substituent, Arx31 and Arx32 may be bonded to each other through a single bond or a divalent linking group, in a case where m is 1, ArX31 and Arx33 may be bonded to each other through a single bond or a divalent linking group, in a case where m is 1, Arx32 and Arx33 may be bonded to each other through a single bond or a divalent linking group, m represents 0 or 1, *x31 represents a bonding position,
- in Formula (DK-4), Rx41 represents a substituent, and *x41 represents a bonding position.
5 more elements
Dependencies are inferred from the claim text.