The electron transport layer (ETL) was made with zinc oxide and cadmium sulfide (ZnO/CdS) and the hole transport layer (HTL) with the PEDOT polymer and copper iodide (CuI). Gold contacts with a ...

The group designed the top cell with a substrate made of f-doped tin dioxide (FTO), an electron transport layer (ETL) made of tin oxide (SnO2), a perovskite absorber, a hole transport layer (HTL ...