The Chinese group built the cell with a substrate made of indium tin oxide (ITO), a tin(IV) oxide (SnO2) buffer layer, a perovskite absorber, the P3HT layer, the HTL made of NiOx, and a carbon ...
It also has a tin(IV) oxide (SnO2) buffer layer, a perovskite layer, a hole transport layer (HTL), and a layer made of copper. It was able to retain around 92% of its initial efficiency after ...