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公开(公告)号:US20250017028A1
公开(公告)日:2025-01-09
申请号:US18884799
申请日:2024-09-13
Inventor: Hiroko OKUMURA
Abstract: A photoelectric conversion material of the present disclosure includes a perovskite compound and an ammonium salt. The ammonium salt may include at least one selected from the group consisting of an alkyl group and an aryl group. The ammonium salt may include a quaternary ammonium salt. A photoelectric conversion element of the present disclosure includes a first electrode, a photoelectric conversion layer, and a second electrode in this order. The photoelectric conversion layer includes the photoelectric conversion material of the present disclosure.
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公开(公告)号:US20240244956A1
公开(公告)日:2024-07-18
申请号:US18618776
申请日:2024-03-27
Inventor: Hiroko OKUMURA
Abstract: A photoelectric conversion element of the present disclosure includes a first electrode, a photoelectric conversion layer, and a second electrode. The photoelectric conversion layer includes a photoelectric conversion material and a phosphate ester. A method for manufacturing the photoelectric conversion element of the present disclosure includes: applying a precursor solution to a base to form a coating film, the precursor solution containing a raw material of the photoelectric conversion material, the phosphate ester, and a solvent containing dimethyl sulfoxide; and baking the coating film to form a photoelectric conversion layer.
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公开(公告)号:US20250040421A1
公开(公告)日:2025-01-30
申请号:US18913386
申请日:2024-10-11
Inventor: Hiroko OKUMURA
Abstract: A composition according to the present disclosure includes a perovskite compound precursor, a first solvent, and a second solvent. The first solvent has a boiling point of 50° C. or more and a dipole moment of 3.0 D or less, and does not dissolve a perovskite compound formed from the perovskite compound precursor. The second solvent has a dipole moment of more than 3.0 D, and dissolves the perovskite compound.
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公开(公告)号:US20240260451A1
公开(公告)日:2024-08-01
申请号:US18633082
申请日:2024-04-11
Inventor: Hiroko OKUMURA
CPC classification number: H10K85/50 , H10K30/151
Abstract: A photoelectric conversion material of the present disclosure includes a crystalline phase including A, B, X, and I. The A is a monovalent cation and includes a monovalent inorganic cation. The B is a divalent cation and includes Sn. The X is at least one selected from the group consisting of F, Cl, and Br. A molar ratio of a sum of the X and I to the B is 2.80 or more and 3.25 or less, and a molar ratio of the B to the A is more than 1.00 and 1.50 or less. A photoelectric conversion element of the present disclosure includes: a first electrode; a photoelectric conversion layer; and a second electrode, and the photoelectric conversion layer includes the photoelectric conversion material of the present disclosure.
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