CZTS METHOD FOR MANUFACTURING CZTS-BASED THIN FILM SOLAR CELL BY POTASSIUM TREATMENT ON SURFACE OF ABSORBER LAYER

摘要

The present invention relates to a method for manufacturing a thin film solar cell, which comprises treating a surface of a light absorbing layer with potassium after a heat treatment process of a light absorbing layer to improve pn homojunction formation to improve electrical characteristics and photoelectric conversion efficiency / RTI