Provided is a method for manufacturing a photovoltaic cell in which a light absorption layer is formed by promoting chalcogenation. The method includes providing a microporous member, arranging an object on a first side of the microporous member, and arranging a chalcogen source on a second side of the microporous member opposite to the first side, heating the chalcogen source, transmitting a liquefied or evaporated portion of the heated chalcogen source through the microporous member, and exposing the object to the liquefied or evaporated portion of the heated chalcogen source that has passed through the microporous member.