Abstract: By using a polymer compound comprising a constituent unit represented by the formula (1) and a constituent unit represented by the formula (2) in an organic layer of an organic photoelectric conversion device, photoelectric conversion efficiency can be enhanced. wherein R1 represents a hydrogen atom or a substituent; Y1 represents an oxygen atom, a sulfur atom or —N(R3)—; R3 represents a hydrogen atom or a substituent; ring Z1 and ring Z2 represent each independently an optionally substituted aromatic carbocyclic ring or an optionally substituted heterocyclic ring; wherein R2 is different from R1 and represents a hydrogen atom or a substituent; Y2 represents an oxygen atom, a sulfur atom or —N(R3)—; R3 represents a hydrogen atom or a substituent; ring Z3 and ring Z4 represent each independently an optionally substituted aromatic carbocyclic ring or an optionally substituted heterocyclic ring.

Abstract: The present invention provides a photovoltaic cell having a large short-circuit current density and a large photoelectric conversion efficiency.

Abstract: By using a polymer compound comprising a constituent unit represented by the formula (1) and a constituent unit represented by the formula (2) in an organic layer of an organic photoelectric conversion device, photoelectric conversion efficiency can be enhanced: wherein R1 represents a hydrogen atom; or a substituent; Y1 represents an oxygen atom, a sulfur atom or —N(R3)—; R3 represents a hydrogen atom or a substituent; ring Z1 and ring Z2 represent each independently an optionally substituted aromatic carbocyclic ring or an optionally substituted heterocyclic ring; wherein R2 is different from R1 and represents a hydrogen atom or a substituent; Y2 represents an oxygen atom, a sulfur atom or —N(R3)—; R3 represents a hydrogen atom or a substituent; ring Z3 and ring Z4 represent each independently an optionally substituted aromatic carbocyclic ring or an optionally substituted heterocyclic ring.

Abstract: An organic photoelectric conversion device excellent in photoelectric conversion efficiency can be produced, by forming an active layer using a solution containing a polymer compound and a deoxidized solvent in a method of producing an organic photoelectric conversion device having a pair of electrodes and the active layer containing the polymer compound disposed between the pair of electrodes.

Abstract: A vehicle transmission including a rotatable input shaft connected to a driving source; a countershaft parallel to the input shaft; a differential unit below the countershaft, to which rotation is input from the countershaft, and coupled to right and left wheels; a case member containing the input shaft, countershaft, and the differential unit; a differential chamber disposed in the case member, contains the differential unit, and is separated from an oil storage chamber; and a differential separation member separating the differential chamber from the storage chamber, and formed along the differential unit ring gear, which meshes with an output gear of the countershaft.

Abstract: Provided is an organic photovoltaic cell having excellent photovoltaic conversion efficiency. An organic photovoltaic cell 100 comprises a first electrode 6, an active layer 4 capable of generating charges by incident light, a second electrode 2, and a wavelength conversion layer 9 capable of wavelength conversion of incident ultraviolet light into light having longer wavelength than that of the ultraviolet light and outputting the resulting light, in this order.

Abstract: An organic photovoltaic cell comprising a pair of electrodes and an active layer that is located between the pair of electrodes and containing an organic compound, in which each content of inorganic compounds of a phosphorus compound, a palladium compound, an aluminum compound, an iron compound, a calcium compound, a potassium compound, and a sodium compound are 30 ppm by weight or less in the active layer, and is excellent in photovoltaic efficiency.

Abstract: An organic photovoltaic cell comprising: an operative part containing a pair of electrodes and an active layer that is located between the pair of electrodes and containing an organic compound; and a sealing layer covering at least a part of the operative part, in which the sealing layer contains a substance having an oxygen absorption property and/or a water absorption property has excellent photovoltaic efficiency.

Abstract: An organic photovoltaic cell which comprises an anode, a cathode, and an organic active layer provided between the anode and the cathode. The organic active layer comprises a first electron-donor compound, a second electron-donor compound and an electron-acceptor compound, and the difference between HOMO (highest occupied molecular orbital) energy level of the first electron-donor compound and HOMO (highest occupied molecular orbital) energy level of the second electron-donor compound is 0.20 eV or less. The organic photovoltaic cell has high photovoltaic efficiency.

Abstract: Provided is an organic photovoltaic cell having a long lifetime. An organic photovoltaic cell 100 comprises a first electrode 2, a second electrode 4, an active layer 3 provided between the first electrode 2 and the second electrode 4 and capable of generating a charge by incident light, and a barrier layer that is configured to be a surface of the organic photovoltaic cell, and that includes an inorganic sealing layer 7 comprising an inorganic material, a resin layer 8 formed from a resin, and an ultraviolet absorbing layer 9 in this order from the active layer 3.

Abstract: Provided is an organic photovoltaic cell having high photovoltaic efficiency. The photovoltaic cell of the present invention comprises an anode, a cathode, and an organic active layer provided between the anode and the cathode. The organic active layer comprises a multiexciton generator. For the multiexciton generator, a compound semiconductor comprising one or more elements selected from among Cu, In, Ga, Se, S, Te, Zn and Cd is used. The photovoltaic cell preferably has multiple energy levels in the energy gap of the compound semiconductor. The compound semiconductor is preferably a nanosize particle, and preferably has a p-type semiconductor adhering on the surface thereof.

Abstract: Provided is an organic photovoltaic cell having a long lifetime. An organic photovoltaic cell 100 comprises a first electrode 2, an active layer 3 capable of generating a charge by incident light, a second electrode 4, and a barrier layer 6 in this order. The barrier layer 6 comprises an inorganic layer 7 comprising an inorganic material and an organic layer 8 comprising an organic material. One or both of the inorganic layer 7 and the organic layer 8 have a function of blocking ultraviolet light.

Abstract: The present invention provides a photovoltaic cell having a large short-circuit current density and a large photoelectric conversion efficiency.

Abstract: An organic photovoltaic cell including an anode, a cathode, and an organic active layer provided between the anode and the cathode and formed by using a solution containing a first p-type semiconductor material, an n-type semiconductor material and a solvent, wherein a difference between a solubility parameter of the first p-type semiconductor material and a solubility parameter of the solvent is from 2.9 to 6.5, and a difference between a solubility parameter of the n-type semiconductor material and the solubility parameter of the solvent is from 0 to 5. The organic photovoltaic cell of the present invention has high photovoltaic efficiency.

Abstract: Provided is an organic photovoltaic cell having a long lifetime. An organic photovoltaic cell 100 includes a first electrode 2, a second electrode 6, an active layer 4 that is provided between the first electrode 2 and the second electrode 6 and that can generate a charge by incident light, a first ultraviolet absorbing layer 9 comprising a first ultraviolet absorber that can absorb ultraviolet light having a wavelength not longer than a first absorption wavelength edge, and a second ultraviolet absorbing layer 9 comprising a second ultraviolet absorber that can absorb ultraviolet light having a wavelength not longer than a second absorption wavelength edge having a wavelength shorter by 10 nm or larger than that of the first absorption wavelength edge.

Abstract: A compound which contains a structure represented by formula (1) and has a light absorption end wavelength of 600 nm or more.

Abstract: A composition comprising a first compound having a structure represented by formula (1), and a second compound composed of only a structure different from the structure represented by formula (1).

Abstract: A vehicle transmission including a rotatable input shaft connected to a driving source; a countershaft parallel to the input shaft; a differential unit below the countershaft, to which rotation is input from the countershaft, and coupled to right and left wheels; a case member containing the input shaft, countershaft, and the differential unit; a differential chamber disposed in the case member, contains the differential unit, and is separated from an oil storage chamber; and a differential separation member separating the differential chamber from the storage chamber, and formed along the differential unit ring gear, which meshes with an output gear of the countershaft.

Abstract: A photoelectric conversion element comprising a first electrode, a second electrode, a functional layer arranged between the first electrode and the second electrode, and a porous semiconductor material arranged between the first electrode and the functional layer. The functional layer contains a polymer compound having an aromatic amine residue, and a dye is adsorbed on the porous semiconductor material. The photoelectric conversion element may additionally have a dense layer between the first electrode and the functional layer, and a dye may be absorbed on a part of the functional-layer-side surface of the dense layer. The photoelectric conversion element may additionally have an organic layer between the functional layer and the second electrode.

Abstract: A photoelectric conversion element including an anode, a cathode, an active layer formed between the anode and the cathode, and a functional layer formed between the active layer and the cathode, wherein the functional layer is formed by application of a dispersion liquid containing titanium dioxide particles dispersed therein.