SOLAR CELL AND METHOD FOR MANUFACTURING SOLAR CELL

摘要

A method for manufacturing a solar cell includes the following steps: a step in which a first electrode layer (12) is formed on top of a substrate (11); a step in which a selenium-containing p-type CZTS light-absorbing layer (13) is formed on top of the first electrode layer (12); a step in which the surface of the CZTS light-absorbing layer (13) is brought into contact with an aqueous solution containing an organic sulfur compound, increasing the concentration of sulfur on the surface of the CZTS light-absorbing layer (13), and an n-type buffer layer (14) is formed on top of CZTS light-absorbing layer (13); and a step in which a second electrode layer (15) is formed on top of said buffer layer (14).