Patent ID: 6307148
Filing Date: 2001-10-23
Classification: H01L,Y02E,Y02P

Abstract:
A production method of a compound semiconductor solar cell including the steps of:laminating an indium layer and a copper layer on an electrode film formed on one of the surfaces of a substrate to form a metallic film, and subjecting said metallic film to sulfurization treatment or selenization treatment to form a p-type semiconductor layer made of CuInS.sub.2 or CuInSe.sub.2 andsubjecting said p-type semiconductor layer to KCN treatment to remove copper sulfide or copper selenide by a KCN solution, and then forming an n-type semiconductor layer on said p-type semiconductor layer;said production method characterized in that said indium layer is formed under heating, wherein the heating temperature when said indium layer is formed under heating is such that said substrate is heated to 120 to 220.degree. C.