Abstract: Provided is a dye-sensitized solar cell having high conversion efficiency. The dye-sensitized solar cell is a dye-sensitized solar cell in which a photoelectrode and a counter electrode are disposed opposite to each other via an electrolyte layer; (1) the photoelectrode comprising a titanium material, a blocking layer formed on the titanium material, and a porous titanium oxide layer containing a dye sensitizing agent formed on the blocking layer; and (2) the counter electrode comprising a transparent conductive glass or transparent conductive film coated with an electrochemical-reduction catalyst layer.

Abstract: A material that is useful as a wear-resistant member, a highly functional photocatalytic material, a photoelectric conversion element material, etc., is produced without the need for complicated processes or complicated handling, which are problems of the prior art. Provided is a method for producing a surface-treated metallic titanium material or titanium alloy material, the method comprising the steps of (1) forming titanium nitride on the surface of a metallic titanium material, and (2) heating the metallic titanium material with titanium nitride formed on the surface thereof obtained in step (1) in an oxidizing atmosphere.

Abstract: Provided is a dye-sensitized solar cell with a large area that can exhibit high electrical power. The dye-sensitized solar cell is a dye-sensitized solar cell in which a photoelectrode and a counter electrode are disposed opposite to each other via an electrolyte layer; (1) the photoelectrode comprising a titanium material and a titanium oxide layer containing a dye sensitizing agent formed on the titanium material; and (2) the counter electrode comprising a transparent conductive glass or transparent conductive film coated with an electrochemical-reduction catalyst layer, the counter electrode being provided with a collector electrode.

Abstract: The present invention provides a novel method for treating soil-contaminated water, the method using a photocatalytic material capable of efficiently removing, by light irradiation alone, volatile organic compounds and heavy metals that give rise to soil contamination. The present invention provides a method for treating soil-contaminated water that detoxifies volatile organic compounds contained in soil-contaminated water using a photocatalytic material, the method being characterized by including the steps of (1) subjecting the soil-contaminated water to a gas-liquid separation to obtain a gas phase, and (2) decomposing the volatile organic compounds contained in the gas phase obtained in step (1) using the photocatalytic material.

Abstract: The present invention provides a novel method for treating soil-contaminated water, the method using a photocatalytic material capable of efficiently removing, by light irradiation alone, volatile organic compounds and heavy metals that give rise to soil contamination. The present invention provides a method for treating soil-contaminated water that detoxifies volatile organic compounds contained in soil-contaminated, water using a photocatalytic material, the method being characterized by including the steps of (1) subjecting the soil-contaminated water to a gas-liquid separation to obtain a gas phase, and (2) decomposing the volatile organic compounds contained in the gas phase obtained in step (1) using the photocatalytic material.

Abstract: The invention concerns a method for producing a crystalline titanium oxide film useful as a photocatalyst, a photovoltaic element, etc. The crystalline titanium oxide film is produced by steps (a-1) and (b): (a-1) a step of heating titanium or titanium alloy under conditions (1) or (2) to form titanium nitride on the surface of the titanium or titanium alloy; (1) in an atmosphere of nitrogen and/or ammonia gas in the presence of a carbon material acting as an oxygen trapping agent; or (2) in an atmosphere where a pressure is reduced to discharge atmospheric gas, and then nitrogen and/or ammonia gas are/is introduced in the presence of a carbon material acting as an oxygen trapping agent; and (b) a step of immersing the titanium or titanium alloy obtained in step (a-1) above in an electrolyte containing an inorganic acid and/or organic acid, and applying voltage for anodization.

Abstract: This invention provides a dye-sensitized solar cell ensuring high photoelectric conversion efficiency. The dye-sensitized solar cell comprises a photoelectrode and a counter electrode, which are oppositely disposed with an electrolyte layer interposed therebetween, wherein: (1) the photoelectrode is structured such that a semiconductor layer containing a dye sensitizer is formed on a titanium or titanium alloy substrate having an opening structure, (2) the photoelectrode comprises a light condenser that is disposed on the titanium or titanium alloy substrate.

Abstract: The present invention provides a new method for decomposing and/or removing hazardous substances using a photocatalytic material. The method of the present invention is sufficiently useful in fields requiring quick decomposition and/or removal of hazardous substances in gas and/or liquid phases. The decomposition method of the present invention using a photocatalytic material enables significantly efficient and rapid decomposition of hazardous substances in gas and/or liquid phases by causing a photocatalytic material to coexist with a dilute hydrogen peroxide solution.

Abstract: The present invention provides a new method for decomposing and/or removing hazardous substances using a photocatalytic material. The method of the present invention is sufficiently useful in fields requiring quick decomposition and/or removal of hazardous substances in gas and/or liquid phases. The decomposition method of the present invention using a photocatalytic material enables significantly efficient and rapid decomposition of hazardous substances in gas and/or liquid phases by causing a photocatalytic material to coexist with a dilute hydrogen peroxide solution.

Abstract: The lining structure of the present invention comprises lining plates each having supporting portions formed at two opposite sides of a square lining plate body via bent step portions, and covering portions formed at the remaining sides of the lining plate body; the lining plates being arranged in longitudinal and transverse directions on a surface to be lined; in the first and second lining plates that are adjacent to each other in longitudinal and transverse directions, a covering portion of one of the lining plates being superposed on a supporting portion of, and being butted against the lining plate body of, another of the lining plates, with the butted portion being joined by welding, with an adhesive, or a combination thereof.

Abstract: The lining structure of the present invention comprises lining plates each having supporting portions formed at two opposite sides of a square lining plate body via bent step portions, and covering portions formed at the remaining sides of the lining plate body; the lining plates being arranged in longitudinal and transverse directions on a surface to be lined; in the first and second lining plates that are adjacent to each other in longitudinal and transverse directions, a covering portion of one of the lining plates being superposed on a supporting portion of, and being butted against the lining plate body of, another of the lining plates, with the butted portion being joined by welding, with an adhesive, or a combination thereof.

Abstract: A long lifetime work glove is provided for use in works of pulling a rope and the like during fishing, for example. A first reinforcement coat is formed on the surface of a fiber-made base glove to cover a portion that extends along sides of and towards tips of a thumb and a forefinger through the center of a crotch between the thumb and forefinger, by adhering to the portion a liquid of compound rubber latex, and a second reinforcement coat is formed to cover the surface of the base glove except the back thereof, by adhering a liquid of compound rubber latex to the corresponding surface area of the base glove including the portion already covered with the first reinforcement coat.

Abstract: It is an object of the present invention to provide a glove in which palm-side and back-side fiber materials are formed as materials that have different tensile elongation percentage or drying shrinkage percentages, a stitched liner is manufactured by stitching these fiber materials together, in a state in which this stitched liner is mounted on a hand mold, specified locations on the surface of this liner are covered with a rubber or resin coating material so that the stitching seams on the fingertips are fixed in positions that are shifted further toward at least the back side than the positions corresponding to tips of the fingernails, and the method for manufacturing the same.