| abstract |
The present invention provides the full-inorganic perovskite solar cells and its preparation method and application prepared based on spraying auxiliary law, the present invention is specifically that titanic oxide electronic transport layer is prepared on FTO electro-conductive glass, subsequent spin coating bromination lead solution, then cesium bromide solution is sprayed, high pure phase, big crystal grain CsPbBr are formed 3 Perovskite light-absorption layer, subsequent deposition interface modify layer material, finally scratch carbon back electrode, are assembled into full-inorganic perovskite solar cell.By improving preparation method and optimize the interface energy level structure of carbon electrode and perovskite light-absorption layer in the present invention, the photoelectric conversion efficiency and stability of battery are improved, preparation method simple possible is of low cost, while having can the commercial promise that produces of large area. |