Fabrication of lead-free organo-metal-halide solar ceils with normal structure and inverse structure using antimony and bismuth

摘要

We developed lead-free perovskite solar cells, because lead is harmful to the human body. In this study, the lead-free perovskite layers were fabricated using antimony, bismuth and silver. Normal (n-i-p) and inverse (p-i-n) structures were tried for the solar cells. By using a lead-free perovskite with silver and bismuth for the normal structure, conversion efficiency of 0.892% was achieved.