Defects at the buried interface are the primary factors contributing to recombination losses and instability in perovskite solar cells(PSCs)with n-i-p structure.Here,a molecule with bilateral electron-donating groups,...Defects at the buried interface are the primary factors contributing to recombination losses and instability in perovskite solar cells(PSCs)with n-i-p structure.Here,a molecule with bilateral electron-donating groups,6-amino-1-hexanol(HAL),is introduced between SnO_(2)and perovskite(PVK)to optimize the characteristics of the buried interfacial properties,as well as the PVK film quality.The surface defects of SnO_(2)can be more effectively passivated,and its energy level structure can be tuned more appropriately.展开更多
基金supported by the project of the National Natural Science Foundation of China(No.22271106,51972123,61804058,U20A20150,and U1705256)Young Elite Scientist Sponsorship Program by Cast of China Association for Science and Technology(YESS20210285)Guangdong Basic and Applied Basic Research Foundation(2022A1515011613).
文摘Defects at the buried interface are the primary factors contributing to recombination losses and instability in perovskite solar cells(PSCs)with n-i-p structure.Here,a molecule with bilateral electron-donating groups,6-amino-1-hexanol(HAL),is introduced between SnO_(2)and perovskite(PVK)to optimize the characteristics of the buried interfacial properties,as well as the PVK film quality.The surface defects of SnO_(2)can be more effectively passivated,and its energy level structure can be tuned more appropriately.