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Recent Progress of Surface Passivation Molecules for Perovskite Solar Cell Applications

Journal of Renewable Materials 2023年第4期11卷 1533-1554页

作者： Baohua Zhao Teng Zhang Wenwen liu Fansong Meng chengben liu Nuo Chen Zhi Li Zhaobin liu Xiyou Li College of Chemistry and Chemical Engineering China University of Petroleum(East China)Qingdao266580China School of Materials Science and Engineering China University of Petroleum(East China)Qingdao266580China Shandong Energy Group Co. Ltd.Jinan250000China

Due to the solution processable nature,the prepared perovskite films are polycrystalline with considerable number of *** defects,especially defects at interface accelerate the carrier recombination and reduce the carrier ***,the surface defects also affect the long-term stability of the perovskite solar cells(PVSCs).To solve this problem,surface passivation molecules are introduced at selective interface(the interface between perovskite and carrier selective layer).This review summarizes recent progress of small molecules used in ***,different types of defect states in perovskite films are introduced and their effects on device performance are ***,surface passivation molecules are divided into four categories,and the interaction between the functional groups of the surface passivation molecules and selective defect states in perovskite films are ***,we look into the prospects and challenges in design noble small molecules for PVSCs applications.

关键词： Perovskite solar cells defect surface passivation small molecules

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