Abstract: Provided are a transparent conductive film having a simple manufacturing process and high transparency, high photoelectric conversion efficiency, and excellent durability and an organic photoelectric conversion element using this transparent conductive film. The transparent conductive film of the present invention is formed by laminating a ground layer which contains a nitrogen-containing organic compound and a metal thin film layer which contains a metal element of Group 11 of the periodic table and has a thickness of from 2 to 10 nm.

Abstract: Provided is a solar cell including a pair of electrodes, and a photoelectric conversion layer of chalcopyrite structure sandwiched between the pair of electrodes. At least one of the pair of electrodes, adapted to serve as a transparent electrode, has a nitrogen-containing layer composed with the use of an organic compound containing a nitrogen atom, and an electrode layer containing a metal of the Group 11 of the periodic table, which is provided to be laminated on the nitrogen-containing layer, thereby improving the photoelectric conversion efficiency.

Abstract: An objective of the present invention is to provide an optical material which has high luminous efficiency and durability that enables suppression of deterioration of semiconductor nanoparticles for a long period of time, said deterioration being caused by oxygen or the like. Another objective of the present invention is to provide: an optical film which has high luminous efficiency and durability; and a light emitting device which is provided with this optical film. An optical material according to the present invention contains semiconductor nanoparticles, and is characterized in that: one or more semiconductor nanoparticles have a surface modifying agent and a surfactant on the surfaces thereof; the semiconductor nanoparticles have at least two coating layers on the outer side of the surface modifying agent and the surfactant; and at least one of the coating layers contains a metal oxide.

Abstract: Provided is a solar cell including a pair of electrodes, and a photoelectric conversion layer of chalcopyrite structure sandwiched between the pair of electrodes. At least one of the pair of electrodes, adapted to serve as a transparent electrode, has a nitrogen-containing layer composed with the use of an organic compound containing a nitrogen atom, and an electrode layer containing a metal of the Group 11 of the periodic table, which is provided to be laminated on the nitrogen-containing layer, thereby improving the photoelectric conversion efficiency.

Abstract: Provided are a transparent conductive film having a simple manufacturing process and high transparency, high photoelectric conversion efficiency, and excellent durability and an organic photoelectric conversion element using this transparent conductive film. The transparent conductive film of the present invention is formed by laminating a ground layer which contains a nitrogen-containing organic compound and a metal thin film layer which contains a metal element of Group 11 of the periodic table and has a thickness of from 2 to 10 nm.

Abstract: Provided is a lightweight flexible lighting device with excellent durability and stable performance over repeated use that combines an organic electroluminescent element, an organic photoelectric conversion element, and a secondary cell. The lighting device has a control means for controlling the electrical connections of the organic electroluminescent element, the organic photoelectric conversion element, and the secondary cell. The control means controls the electrical connections such that a reverse bias voltage is applied to the organic electroluminescent element when the organic electroluminescent element receives light, generates power, and charges the secondary cell, and such that a reverse bias voltage is applied to the organic photoelectric conversion element when the organic electroluminescent element is supplied with power from the secondary cell and emits light.

Abstract: Disclosed is an organic photoelectric conversion element which has excellent photoelectric conversion efficiency and excellent temperature stability with respect to power generation. The organic photoelectric conversion element comprises at least one photoelectric conversion layer and at least one carrier transport layer between a first electrode and a second electrode, and is characterized in that the carrier transport layer contains the salt of an alkali metal or an alkaline earth metal or the complex thereof of an alkali metal or an alkaline earth metal.

Abstract: Disclosed is an organic photoelectric conversion element having high photoelectric conversion efficiency and high durability. Also disclosed are a solar cell and an optical sensor array, each using the organic photoelectric conversion element. The organic photoelectric conversion element comprises a bulk heterojunction layer wherein an n-type semiconductor material and a p-type semiconductor material are mixed. The organic photoelectric conversion element is characterized in that the n-type semiconductor material is a polymer compound and the p-type semiconductor material is a low-molecular-weight compound.

Abstract: Provided is an organic photoelectric conversion element containing: a first electrode; a second electrode; and an organic photoelectric conversion layer sandwiched between the first electrode and the second electrode, wherein the first electrode comprises: a conductive fiber layer; and a transparent conductive layer containing a conductive polymer comprising a ? conjugated conductive polymer and a polyanion, and an aqueous binder, and at least a part of the transparent conductive layer containing the conductive polymer and the aqueous binder is cross-linked therein.

Abstract: Provided is an organic photoelectric conversion element having a high photoelectric conversion ratio. Provided is also a method for manufacturing an organic photoelectric conversion element which can significantly reduce the manufacturing cost by forming a transparent electrode and an organic generation layer portion by coating a material. The organic photoelectric conversion element includes on a transparent substrate, a first electrode unit having a transparent conductive layer, an organic generation unit, and a second electrode unit which are successively arranged in this order when viewed from the transparent substrate. The transparent conductive layer constituting the first electrode unit contains conductive fiber and transparent conductive material.

Abstract: Disclosed is an organic photoelectric conversion element which has excellent photoelectric conversion efficiency and excellent temperature stability with respect to power generation. The organic photoelectric conversion element comprises at least one photoelectric conversion layer and at least one carrier transport layer between a first electrode and a second electrode, and is characterized in that the carrier transport layer contains the salt of an alkali metal or an alkaline earth metal or the complex thereof of an alkali metal or an alkaline earth metal.

Abstract: Provided is a lightweight flexible lighting device with excellent durability and stable performance over repeated use that combines an organic electroluminescent element, an organic photoelectric conversion element, and a secondary cell. The lighting device has a control means for controlling the electrical connections of the organic electroluminescent element, the organic photoelectric conversion element, and the secondary cell. The control means controls the electrical connections such that a reverse bias voltage is applied to the organic electroluminescent element when the organic electroluminescent element receives light, generates power, and charges the secondary cell, and such that a reverse bias voltage is applied to the organic photoelectric conversion element when the organic electroluminescent element is supplied with power from the secondary cell and emits light.

Abstract: Provided is an organic photoelectric conversion element having a high photoelectric conversion ratio. Provided is also a method for manufacturing an organic photoelectric conversion element which can significantly reduce the manufacturing cost by forming a transparent electrode and an organic generation layer portion by coating a material. The organic photoelectric conversion element includes on a transparent substrate, a first electrode unit having a transparent conductive layer, an organic generation unit, and a second electrode unit which are successively arranged in this order when viewed from the transparent substrate. The transparent conductive layer constituting the first electrode unit contains conductive fiber and transparent conductive material.

Abstract: Provided is an organic photoelectric conversion element containing: a first electrode; a second electrode; and an organic photoelectric conversion layer sandwiched between the first electrode and the second electrode, wherein the first electrode comprises: a conductive fiber layer; and a transparent conductive layer containing a conductive polymer comprising a ? conjugated conductive polymer and a polyanion, and an aqueous binder, and at least a part of the transparent conductive layer containing the conductive polymer and the aqueous binder is cross-linked therein.

Abstract: Disclosed is an organic photoelectric conversion element having high photoelectric conversion efficiency and high durability. Also disclosed are a solar cell and an optical sensor array, each using the organic photoelectric conversion element The organic photoelectric conversion element comprises a bulk heterojunction layer wherein an n-type semiconductor material and a p-type semiconductor material are mixed. The organic photoelectric conversion element is characterized in that the n-type semiconductor material is a polymer compound and the p-type semiconductor material is a low-molecular-weight compound.