Achieving photovoltaic power generation for over 1,000 continuous hours, efficiency more than 20%

https://techxplore.com/news/2022-10-photovoltaic-power-hours-efficiency.html

"added hydrazine derivative containing water repellent fluorine atoms to interface between electron transport and perovskite layer (composed of a crystalline structure, FA0.84Cs0.12Rb0.04PbI3... prevented water molecules from contact with perovskite layer, improving durability... reduced crystalline defects... phosphonic acid derivative... interface between hole transport and perovskite layer... minimized defect formation... improved the power generation efficiency of the solar cell"