Canon Patente

Zusammenfassung wird geladen …

Zusammenfassung wird geladen …

Zusammenfassung wird geladen …

Zusammenfassung wird geladen …

Zusammenfassung wird geladen …

Zusammenfassung wird geladen …

Zusammenfassung wird geladen …

Provided is a photoelectric conversion element in which a defect of a crystal having a perovskite structure is protected, and leakage resistance property and conversion efficiency are improved.The photoelectric conversion element includes: a first electrode; a second electrode; and a photoelectric conversion layer arranged between the first electrode and the second electrode, the photoelectric conversion layer containing a crystal having a perovskite structure. The photoelectric conversion element includes, between the photoelectric conversion layer and the first electrode, a charge-transporting layer containing: a cyclic conjugated compound in which a plurality of pyrrole rings are bonded by conjugated bonds; and an aliphatic resin having at least one kind of functional group selected from the group consisting of: a hydroxy group; and a carboxy group.

Provided are a photoelectric conversion element and a photoelectric conversion apparatus each of which achieves both of a high open circuit voltage and high durability. The photoelectric conversion element includes: a first electrode; a second electrode; and a photoelectric conversion layer arranged between the first electrode and the second electrode, the photoelectric conversion layer containing a crystal having a perovskite structure. The photoelectric conversion element is characterized by further including, between the photoelectric conversion layer and the first electrode, a charge-transporting layer containing: a crystal of a cyclic conjugated compound in which pyrrole rings are bonded by conjugated bonds, the compound having an axial ligand; and a resin having a Lewis basic functional group.

Provided is a composition improved in dispersion stability and in photoelectric conversion efficiency of a photoelectric conversion element using the composition. The photoelectric conversion element includes: a first electrode; a second electrode; and a photoelectric conversion layer arranged between the first electrode and the second electrode, the photoelectric conversion layer containing a crystal having a perovskite structure. The photoelectric conversion element further includes a charge-transporting layer that is arranged between the photoelectric conversion layer and the first electrode, and is brought into contact with the first electrode. The charge-transporting layer contains a particle of a cyclic conjugated compound in which pyrrole rings are bonded by conjugated bonds, a calixarene compound, and an insulating resin. The first electrode is a carbon electrode.

To provide a photoelectric conversion element having improved durability and photoelectric conversion efficiency, the present invention provides a photoelectric conversion element including: a first electrode; a second electrode; and a photoelectric conversion layer arranged between the first electrode and the second electrode, the photoelectric conversion layer containing a crystal having a perovskite structure, wherein the photoelectric conversion element includes a charge-transporting layer between the photoelectric conversion layer and the first electrode, wherein the charge-transporting layer contains a P-type semiconductor crystal and a resin, and wherein the P-type semiconductor crystal has at least one functional group selected from the group consisting of: a hydroxy group; a carboxy group; an amino group; an imino group; and a sulfo group.

Provided is such a composition that the dispersion stability of the composition and the photoelectric conversion efficiency of a photoelectric conversion element using the composition are improved. The composition is a composition including: a pigment that is a cyclic conjugated compound in which a plurality of pyrrole rings are bonded by conjugated bonds; a dispersant; a resin; and a solvent, wherein the dispersant is a calixarene compound represented by the following formula [A], and wherein a mass of the dispersant in the composition is 0.20 times or more with respect to a mass of the resin in the composition.

To provide a photoelectric conversion element having improved durability, the present invention is directed to a photoelectric conversion element including: a first electrode; a second electrode; and a photoelectric conversion layer arranged between the first electrode and the second electrode, the photoelectric conversion layer containing a crystal having a perovskite structure, wherein the photoelectric conversion element includes a charge-transporting layer between the photoelectric conversion layer and the first electrode, wherein the charge-transporting layer contains a charge-transporting substance and an insulating resin that are phase-separated from each other, wherein a ratio of a volume of a region of the charge-transporting substance to a volume of a region of the insulating resin is 5 to 30, and wherein, in a binarized image of a two-dimensional spatial distribution of a region A and a region B obtained by measuring the charge-transporting layer with an optical microscope, when a value obtained by Fourier analysis of the binarized image, the value being determined by the following method of calculating D, is represented by D [µm], the D [µm] satisfies 4≤D≤12.

Provided are a photoelectric conversion element and a photoelectric conversion apparatus each having improved conversion efficiency. The photoelectric conversion element includes first and second electrodes, and a photoelectric conversion layer containing a crystal having a perovskite structure, and is characterized in that: the photoelectric conversion element includes, between the photoelectric conversion layer and the first electrode, a charge-transporting layer containing a crystal of a cyclic conjugated compound in which a plurality of pyrrole rings are bonded by conjugated bonds; in a scanning range of a Bragg angle 20 in an X-ray diffraction spectrum of the charge-transporting layer using a CuKα ray, when a peak with the maximum intensity out of peaks that are present in a range of 5.0 to 8.0° is defined as a peak α and a peak with a maximum intensity out of peaks that are present in a range of 26.0 to 29.0° is defined as a peak β, one of the peak α or the peak β is a peak with the maximum intensity in the scanning range; and when the intensity of the peak α is defined as Iα and the intensity of the peak β is defined as Iβ, a ratio Iα/Iβ is 2.0 or less.

Provided is a photoelectric conversion element having improved conversion efficiency and durability. The photoelectric conversion element is a photoelectric conversion element including: a first electrode; a second electrode; and a photoelectric conversion layer arranged between the first electrode and the second electrode, the photoelectric conversion layer containing a crystal having a perovskite structure, wherein the photoelectric conversion element includes, between the photoelectric conversion layer and the first electrode, a layer containing a crystal of a cyclic conjugated compound in which pyrrole rings are bonded by conjugated bonds, wherein the crystal of the cyclic conjugated compound in which the pyrrole rings are bonded by conjugated bonds contains an organic compound, and wherein the organic compound has a pKa of 10.0 or more and a dipole moment of 1.60 D or more.

Zusammenfassung wird geladen …

Zusammenfassung wird geladen …

Zusammenfassung wird geladen …

Zusammenfassung wird geladen …

Zusammenfassung wird geladen …

Zusammenfassung wird geladen …

Zusammenfassung wird geladen …

Zusammenfassung wird geladen …

Zusammenfassung wird geladen …

Zusammenfassung wird geladen …

Zusammenfassung wird geladen …

Zusammenfassung wird geladen …

Zusammenfassung wird geladen …

Zusammenfassung wird geladen …

Zusammenfassung wird geladen …

Zusammenfassung wird geladen …

Zusammenfassung wird geladen …

Zusammenfassung wird geladen …

Zusammenfassung wird geladen …

Zusammenfassung wird geladen …

Zusammenfassung wird geladen …

Zusammenfassung wird geladen …

Zusammenfassung wird geladen …

Zusammenfassung wird geladen …

Zusammenfassung wird geladen …