| abstract |
The invention discloses a high-performance perovskite solar cell, comprising a substrate, an electron transport layer, an interface modification layer, a perovskite absorption layer, a hole transport layer and a counter electrode, wherein the modification material used in the interface modification layer It is a cesium salt, and the perovskite light absorbing layer is prepared by a gas-assisted solution method. The invention also discloses a preparation method of the high-performance perovskite solar cell. The solar cell has high photoelectric conversion efficiency, good stability, simple preparation method and low cost, and can be mass-produced. |