34results about How to "Good photoelectric conversion characteristics" patented technology

The object of the present invention is to realize high efficiency and improved productivity at the same time. A photoelectric conversion device comprises a unit having a semiconductor structure, the unit comprises: a conductive first impurity semiconductor layer; a conductive second impurity semiconductor layer reverse to the conductive first impurity semiconductor layer; and a semiconductor layer comprising a crystal region over the first impurity semiconductor layer and the second impurity semiconductor layer in an amorphous structure. The flow ratio of the dilution gas is set more than 1 time and less than 10 times of the semiconductor material gas, preferably setting more than 1 time and less than 6 times, and leading in a reaction space to generate plasma to form a semiconductor layer comprising a crystal region.

A photovoltaic apparatus capable of improving output characteristics is provided. This photovoltaic apparatus includes at least one power generation unit having a first conductivity type first non-single-crystalline semiconductor layer (3, 13, 43, 53, 63, 73, 83) including at least one layer, a substantially intrinsic second non-single-crystalline semiconductor layer (4, 14, 44, 54, 64, 74, 84) including at least one layer and a second conductivity type third non-single-crystalline semiconductor layer (5, 15, 45, 55, 65, 75, 85) including at least one layer, and at least one of the layer constituting the first non-single-crystalline semiconductor layer, the layer constituting the second non-single-crystalline semiconductor layer and the layer constituting the third non-single crystalline semiconductor layer has a preferred crystal orientation plane different from those of the remaining layers.

The present invention relates to a solar cell, a method for manufacturing the solar cell, and a solar cell module. The solar cell includes: a semiconductor substrate of the first conductivity type having an impurity diffusion layer in which an impurity element of the second conductivity type is diffused on one side; A passivation film composed of a film; an anti-reflection film formed on a passivation film made of a light-transmitting material having a refractive index different from the above-mentioned oxide film; electrically connected to the impurity diffusion layer and formed on one side of the semiconductor substrate The formed light-receiving side electrode; and the back-side electrode formed on the other side of the above-mentioned semiconductor substrate, and the impurity diffusion layer includes: a first impurity diffusion layer that is a light-receiving region and contains an impurity element at a first concentration; and a light-receiving region. The lower region of the surface side electrode contains a second impurity diffusion layer with an impurity element at a second concentration higher than the first concentration, the surfaces of the first impurity diffusion layer and the second impurity diffusion layer are formed in a uniform surface state, and the second impurity diffusion layer The film thickness of the passivation film on the diffusion layer is thinner than the film thickness of the passivation film on the first impurity diffusion layer.

The invention discloses a thieno[2,3-f]benzofuran compound and its polymer and the application of the polymer. The thieno[2,3-f]benzofuran compound is combined with benzothiadiazole, benzofuran Monomers such as triazole and benzoxadiazole synthesized a series of polymers with thieno[2,3-f]benzofuran compound unit structure through Stille coupling polymerization method, the thermal stability and electrical stability of the polymers With good chemical properties, it can be mixed with commonly used fullerene and organic acceptor substances to prepare polymer solar cells with high photoelectric conversion efficiency. The photoelectric conversion efficiency of single-layer polymer solar cell devices is as high as 6.4%. The polymer material is used in solar cells There are huge commercial prospects in the application of .