Abstract: This light detecting element has a simple configuration, and is highly sensitive to a prescribed wavelength region. The light detecting element comprises a positive electrode, a negative electrode, and an active layer that is provided between the positive electrode and the negative electrode, and that includes a p-type semiconductor material and n-type semiconductor material. The thickness of the active layer is at least 800 nm. The weight ratio between the p-type semiconductor material and the n-type semiconductor material included in the active layer (p/n ratio) is at most 99/1. The work function of the negative electrode side surface in contact with the active layer is lower than the absolute value of the LUMO energy level of the n-type semiconductor material.

Abstract: Provided is a light detecting element having a low dark current. This light detecting element comprises: a first electrode and a second electrode; an active layer provided between the first electrode and the second electrode; and a hole transport layer provided between the second electrode and the active layer. The active layer contains an organic compound and has a thickness of 600 nm or more. The hole transport layer contains nanoparticles of metal oxide. The metal oxide includes one or more species selected from the group consisting of a molybdenum atom, a tungsten atom, and a nickel atom.

Abstract: This light detecting element has a simple configuration, and is highly sensitive to a prescribed wavelength region. The light detecting element comprises a positive electrode, a negative electrode, and an active layer that is provided between the positive electrode and the negative electrode, and that includes a p-type semiconductor material and n-type semiconductor material. The thickness of the active layer is at least 800 nm. The weight ratio between the p-type semiconductor material and the n-type semiconductor material included in the active layer (p/n ratio) is at most 99/1. The work function of the negative electrode side surface in contact with the active layer is lower than the absolute value of the LUMO energy level of the n-type semiconductor material.

Abstract: This light detecting element has a reduced dark current and improved external quantum efficiency. The light detecting element includes a positive electrode, a negative electrode, and an active layer that is provided between said positive electrode and said negative electrode, and that contains a p-type semiconductor material and an n-type semiconductor material. The thickness of the active layer is at least 800 nm. The value obtained by subtracting the absolute value of the LUMO of the n-type semiconductor material from the work function of the surface in contact with the negative electrode side surface of the active layer is 0.0 to 0.5 eV. The absolute value of the LUMO of the n-type semiconductor material is 2.0 to 10.0 eV.

Abstract: To improve detectivity of a photoelectric conversion element (10). A photoelectric conversion element including a pair of electrodes (12, 16), an active layer (14) provided between the pair of electrodes, and an intermediate layer (13. 15) provided between the active layer and at least one of the pair of electrodes, in which the intermediate layer has a surface that is in contact with the active layer, the surface having a surface roughness having an absolute value greater than 0.22 nm but smaller than 1.90 nm, and in which the active layer is not less than 350 nm but not more than 800 nm in thickness.

Abstract: Provided is an organic photoelectric conversion element having improved durability. An organic photoelectric conversion element (10) comprises a layered structure (20) comprising a pair of electrodes (40) comprising a first electrode (42) and a second electrode (44), and an active layer (50) provided between the pair of electrodes, wherein at least one electrode of the pair of electrodes comprise an electrode containing a getter material (46) comprising an conductive material layer (46a) having interstitial spaces (46aa) which a first harmful substance contained in the layered structure permeates and at least one kind of the getter material (46b) which is capable of reacting with the first harmful substance, and the getter material is contained at least a part of the interstitial spaces.

Abstract: A composition which comprises a conjugated polymer, a fullerene derivative, a first solvent, and a second solvent. When the sum of the weight of the first solvent and the weight of the second solvent is taken as 100, the weight of the first solvent is 70-97. The first solvent at 25° C. has a surface tension exceeding 25 mN/m, and the second solvent at 25° C. has a surface tension of 15-25 mN/m.

Abstract: Power generator including a supporting substrate and a plurality of organic photovoltaic cells that are provided on the supporting substrate along a prescribed alignment direction and are serially connected with each other. Each of the organic photovoltaic cells includes a pair of electrodes and an active layer placed between the pair of electrodes. The active layer extends along the prescribed alignment direction s plurality of organic photovoltaic cells. Each of the pair of electrodes has an extending portion that extends to protrude from the active layer into a direction perpendicular to both a thickness direction of the supporting substrate and the alignment direction. One electrode out of the pair of electrodes further has a connecting portion that extends in the alignment direction from the extending portion to the opposite electrode of other organic photovoltaic cell adjacent in the alignment direction and is connected to the opposite electrode.

Abstract: To suppress deterioration of electrical characteristics. An organic photovoltaic cell (10) comprises a pair of electrodes comprising a first electrode (32) and a second electrode (34); an active layer (50) placed between the pair of electrodes; and a metal layer (44) placed between either one of the pair of electrodes and the active layer, in which the metal layer is formed with a metal having an absolute value of a work function of 3.7 eV or more and 5.5 eV or less and having semiconductor properties when the metal is oxidized.

Abstract: A method of manufacturing an organic photovoltaic cell is provided that prevents organic layer deterioration during manufacture, wherein the organic photovoltaic cell contains: a pair of electrodes including a first electrode provided on a first substrate and a second electrode provided on a second substrate; and an active layer placed between the pair of electrodes. The method includes: forming a first electrical charge transport layer on the first electrode; forming a first layered structure body by forming an active layer on the first electrical charge transport layer; forming a second layered structure body by forming a second electrical charge transport layer on the second electrode; and joining the first layered structure body and the second layered structure body by bringing the active layer provided on the first layered structure body and the second electrical charge transport layer provided on the second layered structure body into contact with each other.

Abstract: Provided is an organic photoelectric cell having excellent electrical characteristics. An organic photovoltaic cell (10) comprises: a pair of electrodes of a first electrode (32) and a second electrode (34); and an active layer (40) placed between the pair of electrodes, in which either one of the pair of electrodes comprises an alkali metal salt or an alkaline earth metal salt, and a conductive material.

Abstract: Provided is a method for manufacturing an organic thin film solar cell module that can be manufactured by simple steps. As the method for manufacturing an organic thin film solar cell module, the method for manufacturing an organic thin film solar cell module in which a plurality of organic photovoltaic cells (100A1) and (100A2) comprising a pair of electrodes comprising a first electrode (20) and a second electrode (70) and an active layer (50) that is placed between the pair of electrodes are arranged on a substrate (10), the method comprises: forming the first electrodes on the substrate; and forming a lyophobic pattern (30a) on a part of each of the first electrodes.

Abstract: An organic photovoltaic cell (10) of the present invention includes an active layer (40) containing an organic compound and being provided between a pair of electrodes of a first electrode (32) and a second electrode (34), and because the active layer contains metallic oxide nano-particles wearing a carbon material on its surface, the organic photovoltaic cell can be manufactured from an inexpensive material.

Abstract: Provided is an organic thin film solar cell module that does not impair functions and in which layers are isolated. A method is for manufacturing an organic thin film solar cell module (100) in which a plurality of organic photovoltaic cells are arranged on a substrate, each of which comprises a layered structure comprising a pair of electrodes of a first electrode (22) and a second electrode (24) and one layer of an organic thin film or one or more layers of organic thin films placed between the pair of electrodes. The method comprises the steps of: cutting a layered structure (50A) including one layer of the organic thin film or one or more layers of the organic thin films using a blade structure without heating, thereby forming a groove that passes through the layered structure including one layer of the organic thin film.

Abstract: An organic thin film solar cell including: a pair of electrodes of a first electrode (32) and a second electrode (34); an active layer (50) placed between the pair of electrodes; an insulation film stacked substrate (10) including a substrate (12) containing a metal or an alloy having heat conductivity higher than 10 W/m.K and lower than 500 W/m.K and an insulation film (14) provided on the substrate; and a sealing layer (60) placed between the insulation film of the insulation film stacked substrate and either one of the pair of electrodes, suppresses deterioration of electrical properties.

Abstract: A high photoelectric conversion efficiency is provided by an organic photoelectric conversion element comprising a first electrode, a second electrode and an active layer, wherein the active layer is located between the first electrode and the second electrode and contains an electron-donating compound and an electron-accepting compound, and the active layer side of the first electrode surface is treated with a coupling agent followed by a lyophilic treatment.

Abstract: A method for coating a body with a coating liquid, the body being arranged above a nozzle through which the coating liquid is to be discharged upwardly, the coating method comprising: a coating step in which the nozzle and the body are relatively moved in a prescribed coating direction while the body is kept in contact with the coating liquid discharged through the nozzle; and a non-coating step in which the nozzle and the body are relatively moved to the coating direction while the body is kept detached from the coating liquid, wherein the two steps of coating and non-coating are alternately repeated, using the nozzle, which has a plurality of slit-shape outlets.

Abstract: A composition which comprises a conjugated polymer, a fullerene derivative, a first solvent, and a second solvent. When the sum of the weight of the first solvent and the weight of the second solvent is taken as 100, the weight of the first solvent is 70-97. The first solvent at 25° C. has a surface tension exceeding 25 mN/m, and the second solvent at 25° C. has a surface tension of 15-25 mN/m.