Abstract: The method for producing a photovoltaic cell includes applying an n-type diffusion layer forming composition including an n-type impurity-containing glass powder and a dispersion medium onto a first region on one surface side of a semiconductor substrate; applying a p-type diffusion layer forming composition including a p-type impurity-containing glass powder and a dispersion medium onto a second region other than the first region on the surface of the semiconductor substrate where the first region is provided; a thermal diffusion process in which an n-type diffusion layer and a p-type diffusion layer are formed by heat-treating the semiconductor substrate onto which the n-type diffusion layer forming composition and the p-type diffusion layer forming composition are applied; and forming an electrode on each of the first region where the n-type diffusion layer is formed and the second region where the p-type diffusion layer is formed, respectively.

Abstract: The method for producing a photovoltaic cell includes applying, on a partial region of one surface side of a semiconductor substrate, a first p-type diffusion layer forming composition including a p-type impurity-containing glass powder and a dispersion medium; applying, on at least a region other than the partial region on the surface of the semiconductor substrate, a second p-type diffusion layer forming composition which includes a p-type impurity-containing glass powder and a dispersion medium and in which a concentration of the p-type impurity is lower than that of the first p-type diffusion layer forming composition, where the first p-type diffusion layer forming composition is applied; heat-treating the semiconductor substrate on which the first p-type diffusion layer forming composition and the second p-type diffusion layer forming composition are applied to form a p-type diffusion layer; and forming an electrode on the partial region.

Abstract: The paste composition for an electrode are constituted with copper-containing particles having a peak temperature of an exothermic peak showing a maximum area in the simultaneous ThermoGravimetry/Differential Thermal Analysis of 280° C. or higher, glass particles, a solvent, and a resin. Further, the photovoltaic cell has an electrode formed by using the paste composition for a photovoltaic cell electrode.

Abstract: In a method for producing a photovoltaic cell, the improvement comprising: 1) coating a portion of a semiconductor substrate with a layer of a composition comprising donor element-containing glass particles and a dispersion medium, and 2) heating the coated semiconductor substrate to a temperature sufficient to cause donor element diffusion from the glass particles into the semiconductor substrate so as to form an n-type diffusion region in the semiconductor substrate.

Abstract: In a method for producing a photovoltaic cell, the improvement comprising: 1) coating a portion of a semiconductor substrate with a layer of a composition comprising acceptor element-containing glass particles and a dispersion medium, and 2) heating the coated semiconductor substrate to a temperature sufficient to cause acceptor element diffusion from the glass particles into the semiconductor substrate so as to form an p-type diffusion region in the semiconductor substrate.

Abstract: The paste composition for an electrode according to the present invention includes metal particles containing copper as a main component, a flux, glass particles, a solvent, and a resin. Further, a photovoltaic cell according to the present invention has an electrode formed by using the paste composition for an electrode.

Abstract: The paste composition for an electrode of the first aspect of the present invention includes silver alloy particles, glass particles, a resin, and a solvent. The paste composition for an electrode of the second aspect of the present invention includes copper particles, silver or silver alloy particles, glass particles containing P2O5 and V2O5, a resin, and a solvent, in which the content of the copper particles to the silver or silver alloy particles is from 9% by mass to 88% by mass. Further, the cell of a photovoltaic cell of the present invention has an electrode formed by using the paste composition for an electrode.

Abstract: The paste composition for an electrode are constituted with metal particles having copper as a main component, a phosphorous-containing compound, glass particles, a solvent, and a resin. Further, the photovoltaic cell has an electrode formed by using the paste composition for an electrode.

Abstract: The paste composition for an electrode includes metal particles having copper as a main component, glass particles including diphosphorus pentoxide and divanadium pentoxide and having a content of divanadium pentoxide of 1% by mass or more, a solvent, and a resin. Further, the photovoltaic cell has an electrode formed by using the paste composition for an electrode.