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US 2026/0314154 A1Published application
Photoelectric conversion element, imaging element, optical sensor, and compound
AssigneeFUJIFILM Corporation
InventorsHiroki Sugiura, Ryo Fujiwara, Saika Izumi, Yosuke Yamamoto, Yasunori Yonekuta
Life of this patent
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Abstract
An object is to provide a photoelectric conversion element having excellent quantum efficiency and having excellent manufacturing suitability. In addition, an object is to provide an imaging element, an optical sensor, and a compound, which are related to the above-described photoelectric conversion element. The photoelectric conversion element of the present invention 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).
Claims21
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), R1 and R2 each independently represent a hydrogen atom or a substituent,
- X1 to X3 each independently represent a sulfur atom, an oxygen atom, a selenium atom, or a tellurium atom, where at least one of X1, X2, or X3 is an oxygen atom,
- Z1 to Z6 each independently represent —CRZ1═ or —N═, RZ1 represents a hydrogen atom or a substituent, where at least one of Z1, . . . , or Z6 is —CRZ2═, RZ2 represents an aliphatic hydrocarbon group which may have a substituent, an acyl group which may have a substituent, an aromatic ring group which may have a substituent, an aliphatic heterocyclic group which may have a substituent, or a group represented by —Si(RSi)3,
- the aliphatic hydrocarbon group represented by RZ2 may have a halogen atom and may have an etheric oxygen atom, the acyl group represented by RZ2 may have a halogen atom,
- RSi's each independently represent an aliphatic hydrocarbon group which may have a substituent or an aromatic ring group which may have a substituent,
- the aliphatic hydrocarbon group represented by RSi may have a halogen atom and may have an etheric oxygen atom,
- in a case where Z1 and Z2 are —CRZ2═, two RZ2's may be bonded to each other to form a ring, in a case where Z3 and Z4 are —CRZ2═, two RZ2's may be bonded to each other to form a ring, and in a case where Z5 and Z6 are —CRZ2═, two RZ2's may be bonded to each other to form a ring, and
- A1 and A2 each independently represent a group represented by Formula (A-1),
- in Formula (A-1), C1 represents a ring which contains at least two carbon atoms and may have a substituent,
- W1 represents an oxygen atom, a sulfur atom, ═NRW1, or ═CRW2RW3, RW1 represents a hydrogen atom or a substituent, RW2 and RW3 each independently represent a cyano group, —SO2RW4, —COORW5, or —CORW6, RW4, RW5, and RW6 each independently represent an aliphatic hydrocarbon group which may have a substituent, an aromatic ring group which may have a substituent, or an aliphatic heterocyclic group which may have a substituent, and
- * represents a bonding position.
13 more elements
A compound represented by Formula (1),
- in Formula (1), R1 and R2 each independently represent a hydrogen atom or a substituent,
- X1 to X3 each independently represent a sulfur atom, an oxygen atom, a selenium atom, or a tellurium atom, where at least one of X1, X2, or X3 is an oxygen atom,
- Z1 to Z6 each independently represent —CRZ1═ or —N═, RZ1 represents a hydrogen atom or a substituent, where at least one of Z1, . . . , or Z6 is —CRZ2═, RZ2 represents an aliphatic hydrocarbon group which may have a substituent, an acyl group which may have a substituent, an aromatic ring group which may have a substituent, an aliphatic heterocyclic group which may have a substituent, or a group represented by —Si(RSi)3,
- the aliphatic hydrocarbon group represented by RZ2 may have a halogen atom and may have an etheric oxygen atom, the acyl group represented by RZ2 may have a halogen atom,
- RSi's each independently represent an aliphatic hydrocarbon group which may have a substituent or an aromatic ring group which may have a substituent,
- the aliphatic hydrocarbon group represented by RSi may have a halogen atom and may have an etheric oxygen atom,
- in a case where Z1 and Z2 are —CRZ2═, two RZ2's may be bonded to each other to form a ring, in a case where Z3 and Z4 are —CRZ2═, two RZ2's may be bonded to each other to form a ring, and in a case where Z5 and Z6 are —CRZ2═, two RZ2's may be bonded to each other to form a ring, and
- A1 and A2 each independently represent a group represented by Formula (A-1),
- in Formula (A-1), C1 represents a ring which contains at least two carbon atoms and may have a substituent,
- W1 represents an oxygen atom, a sulfur atom, ═NRW1, or ═CRW2RW3, RW1 represents a hydrogen atom or a substituent, RW2 and RW3 each independently represent a cyano group, —SO2RW4, —COORW5, or —CORW6, RW4, RW5, and RW6 each independently represent an aliphatic hydrocarbon group which may have a substituent, an aromatic ring group which may have a substituent, or an aliphatic heterocyclic group which may have a substituent, and
- * represents a bonding position.
8 more elements
Dependencies are inferred from the claim text.