Semiconductor film and method of producing the same, photoelectric conversion element, solid-state imaging element and electronic apparatus
AssigneeSony Group Corporation
InventorsSyuuiti Takizawa, Michinori Shiomi
Life of this patent
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Abstract
To provide a semiconductor film capable of realizing further enhancement of photoelectric conversion efficiency. The semiconductor film includes semiconductor nanoparticles and a compound represented by the following general formula (1), in which the compound represented by the general formula (1) is coordinated to the semiconductor nanoparticles. (In the general formula (1), X represents —SH, —COOH, —NH2, —PO(OH)2, or —SO2(OH), A1 represents —S, —COO, —PO(OH)O, or —SO2(O), and n is an integer of 1 to 3. B1 represents Li, Na, or K.)
Claims20
A semiconductor film obtained by coating a substrate with a dispersion containing semiconductor nanoparticles and a compound represented by general formula (2):
- (in the general formula (2), X represents —SH, —COOH, —NH2, —PO(OH)2, or —SO2(OH), A1 represents —S, —COO, —PO(OH)O, or —SO2(O), and n represents an integer of 1 to 3, B2 represents an imidazolium compound, a pyridinium compound, a phosphonium compound, an ammonium compound, or a sulfonium compound),
- wherein the compound represented by the general formula (2) is coordinated to the semiconductor nanoparticles.
A photoelectric conversion element, comprising:
- a semiconductor film obtained by coating a substrate with a dispersion containing semiconductor nanoparticles and a compound represented by general formula (2):
- (in the general formula (2), X represents —SH, —COOH, —NH2, —PO(OH)2, or —SO2(OH), A1 represents —S, —COO, —PO(OH)O, or —SO2(O), and n represents an integer of 1 to 3, B2 represents an imidazolium compound, a pyridinium compound, a phosphonium compound, an ammonium compound, or a sulfonium compound),
- wherein the compound represented by the general formula (2) is coordinated to the semiconductor nanoparticles;
- a first electrode;
- and
- a second electrode which are disposed to face each other,
- wherein the semiconductor film is disposed between the first electrode and the second electrode.
A method of producing a semiconductor film, the method comprising:
- coating a substrate with a dispersion containing semiconductor nanoparticles and a compound represented by the following general formula (2):
- (in the general formula (2), X represents —SH, —COOH, —NH2, —PO(OH)2, or —SO2(OH), A1 represents —S, —COO, —PO(OH)O, or —SO2(O), and n represents an integer of 1 to 3, B2 represents an imidazolium compound, a pyridinium compound, a phosphonium compound, an ammonium compound, or a sulfonium compound),
- wherein the compound represented by the general formula (2) is coordinated to the semiconductor nanoparticles.
Dependencies are inferred from the claim text.