The CdS/Cu2S solar cell. II. The junction and junction-emitter relation

Ion Exchange in Ultrathin Films of Cu2S and ZnS under Atomic Layer Deposition Conditions

“…Chalcocite, Cu 2 S, is a p-type semiconductor that is an attractive absorber for solar energy conversion because of its band gap ( E g = 1.2 eV), its nontoxicity and the abundance of its constituent elements. The n-CdS/p-Cu 2 S heterojunction was extensively studied for its use in photovoltaic (PV) cells throughout the 1970s and 1980s, − with power conversion efficiencies approaching 10% . However, concerns about the junction stability and the toxicity of cadmium led to abandonment of this system for large-scale power production.…”