Abstract: A valve device is provided that is capable of mounting of various electronic devices, and includes a gas-driven type power generation function to solve problems involving wiring or battery-replacement. The problem is solved by a valve device including a piston member that drives a diaphragm, an actuator part that receives supply of a driver gas and drives the piston member, a coil spring that presses the piston member, and a power generation unit that includes a coil provided to a movable part that moves in association with activation of the actuator part, and a permanent magnet provided to a fixed part that docs not move regardless of activation of the actuator part.

Abstract: The present invention aims to provide a coating liquid for forming a semiconductor which facilitates large-area production of a semiconductor that is useful as a semiconductor material of a solar cell with high conversion efficiency and small variation in the conversion efficiency, and enables control of the film thickness. The present invention also aims to provide a semiconductor thin film produced from the coating liquid for forming a semiconductor, a thin film solar cell, and a method for producing the thin film solar cell. The present invention relates to a coating liquid for forming a semiconductor, including a complex that includes a group 15 metal element of the periodic table and sulfur and/or selenium, the coating liquid having a molar ratio of the group 15 metal element of the periodic table to the sulfur and/or selenium of 1:2 to 1:10.

Abstract: The present invention provides a thin film solar cell which can exhibit high photoelectric conversion efficiency. The present invention aims to provide a semiconductor thin film intended to be used in the thin film solar cell and to a coating liquid for forming a semiconductor which can facilitate large-area production of the thin film solar cell to improve production stability. The present invention relates to a thin film solar cell including a photoelectric conversion layer. The photoelectric conversion layer includes a portion that includes a sulfide of a group 15 element of the periodic table and/or a selenide of a group 15 element of the periodic table and a compound containing at least one element selected from the group consisting of a rare earth element, titanium, and zinc.

Abstract: The present invention aims to provide a method of producing a solar cell which can produce a porous inorganic oxide layer that has a high porosity and contains less impurities even by low-temperature firing. The present invention also aims to provide a solar cell produced by the method of producing a solar cell. The present invention directs to a method of producing a solar cell. The method includes: applying an inorganic oxide paste that contains inorganic oxide fine particles, a binder resin, and an organic solvent to a surface of a base to form an inorganic oxide layer on the base, the base including a conductive layer as an outermost layer thereof, the surface being a conductive layer-side surface; firing the inorganic oxide layer; irradiating the inorganic oxide layer with active energy rays or subjecting the inorganic oxide layer to ozonolysis to form a porous inorganic oxide layer; and laminating a semiconductor on the porous inorganic oxide layer.

Abstract: The present invention aims to provide a solar cell having high photoelectric conversion efficiency and excellent durability. The present invention relates to a solar cell including at least: a cathode; an anode; a photoelectric conversion layer provided between the cathode and the anode; and a hole transport layer provided between the photoelectric conversion layer and the anode, the hole transport layer containing an organic semiconductor, the organic semiconductor having a carboxyl group and having a conjugated structure.

Abstract: It is an object of the present invention to provide a solar cell capable of exhibiting excellent photoelectric conversion efficiency even when ultraviolet light is blocked. The present invention relates to a solar cell including: a cathode; an anode; a photoelectric conversion layer disposed between the cathode and the anode; and an electron transport layer disposed between the cathode and the photoelectric conversion layer, the electron transport layer containing titanium oxide and at least one element selected from the group consisting of pentavalent elements and hexavalent elements.

Abstract: The present invention aims to provide a method of producing a solar cell which can produce a porous inorganic oxide layer that has a high porosity and contains less impurities even by low-temperature firing. The present invention also aims to provide a solar cell produced by the method of producing a solar cell. The present invention directs to a method of producing a solar cell. The method includes: applying an inorganic oxide paste that contains inorganic oxide fine particles, a binder resin, and an organic solvent to a surface of a base to form an inorganic oxide layer on the base, the base including a conductive layer as an outermost layer thereof, the surface being a conductive layer-side surface; firing the inorganic oxide layer; irradiating the inorganic oxide layer with active energy rays or subjecting the inorganic oxide layer to ozonolysis to form a porous inorganic oxide layer; and laminating a semiconductor on the porous inorganic oxide layer.

Abstract: The present invention aims to provide a sulfide semiconductor-forming coating liquid capable of easily forming a sulfide semiconductor having a large area, the sulfide semiconductor being useful as a semiconductor material for photoelectric conversion materials. The present invention also aims to provide a sulfide semiconductor thin film produced using the sulfide semiconductor-forming coating liquid; and a thin film solar cell. The present invention provides a sulfide semiconductor-forming coating liquid, the coating liquid containing a complex containing a metal element of group 15 of the periodic table and sulfur.

Abstract: The present invention aims to provide an organic thin-film solar cell that has a high photoelectric conversion efficiency, little dispersion in the photoelectric conversion efficiency in a photoelectric conversion layer, and excellent durability. The present invention is an organic thin-film solar cell including a photoelectric conversion layer, wherein the photoelectric conversion layer includes a portion containing a sulfide of a Group 15 element in the periodic table and a portion containing an organic semiconductor having a molecular weight of less than 10,000, and the portion containing a sulfide of a Group 15 element in the periodic table and the portion containing an organic semiconductor having a molecular weight of less than 10,000 contact with each other.

Abstract: The present invention aims to provide an organic thin-film solar cell that has a high photoelectric conversion efficiency and excellent durability. The present invention relates to an organic thin-film solar cell including a photoelectric conversion layer, wherein the photoelectric conversion layer includes a portion containing a sulfide of a Group 15 element in the periodic table and a portion containing a donor-acceptor organic semiconductor, and the portion containing a sulfide of a Group 15 element in the periodic table and the portion containing a donor-acceptor organic semiconductor are in contact with each other.

Abstract: The present invention aims to provide an organic thin-film solar cell that has a high photoelectric conversion efficiency and excellent durability. The present invention is an organic thin-film solar cell including a photoelectric conversion layer, wherein the photoelectric conversion layer includes a portion containing a sulfide of a Group 15 element in the periodic table and an organic semiconductor portion contacting with each other, and the organic semiconductor portion comprises an organic semiconductor, the organic semiconductor comprising a polythiophene derivative, a phthalocyanine derivative, a naphthalocyanine derivative, or a benzoporphyrin derivative.

Abstract: The present invention aims to provide an ink for an active layer of an organic solar cell, wherein an active layer having high energy conversion efficiency can be stably and easily formed from the ink; an organic solar cell having high energy conversion efficiency; and a method for producing the organic solar cell.

Abstract: It is an object of the invention to provide a method of producing a liquid crystal display device which comprises steps of depositing droplets of a spacer particle dispersion at prescribed positions on a substrate by ejecting the spacer particle dispersion with an ink-jet apparatus, then drying the droplets, and thereby arranging the spacer particles on the substrate, which may arrange the spacer particles precisely at prescribed positions, and a spacer particle dispersion preferably usable for the method of producing a liquid crystal display device.