GLASS BUILDING MATERIAL

摘要

A glass building material according to the present disclosure includes: a photovoltaic array including a first photovoltaic string of a bifacial light-receiving type, which has a shape extending in a first direction, and a second photovoltaic string of a bifacial light-receiving type, which is arranged next to the first photovoltaic string in a second direction crossing the first direction, and which has a shape extending in the first direction; a first glass substrate covering a first principal surface side of the photovoltaic array; a reflective film, which is arranged at least partially on a second principal surface side of the photovoltaic array, which has a transmittance higher than a reflectance thereof in a visible light region, and which has a reflectance higher than a transmittance thereof in a near-infrared region; and an air layer interposed between the photovoltaic array and the reflective film.