| abstract |
The invention relates to the field of perovskite solar cells, an organic-inorganic hybrid perovskite solar cell based on an interface modification layer, the electron transport layer adopts a perovskite active layer, and the electron transport layer is a trifluoromethylbenzene material The interface modification layer formed, above the interface modification layer is 2,2,7,7'-tetra[N,N'-bis(4-methoxyphenyl)amino]-9,9'-spirocyclic difluorene (Spiro‑OMeTAD) layer as a hole transport layer. The invention can passivate the defects on the surface of the perovskite by spin-coating the trifluoromethylbenzene material at the interface between the perovskite active layer and the hole transport layer. |