Deep level defects passivated by small molecules for the enhanced efficiency and stability of inverted perovskite solar cells
Yuhui Ma, Sihao Zhang, Yingwei Yi, Ling Zhang, Ruiyuan Hu, Wei Liu, Mingliang Du, Liang Chu, Jian Zhang, Xing’ao Li, Ruidong Xia, Wei Huang
Abstract
The synergistic effect of the functional groups in small molecule dicyandiamide could passivate the deep level defects of perovskites, which can improve both the efficiency and stability of perovskite solar cells.
Topics & Concepts
PassivationPerovskite (structure)Materials scienceSmall moleculeMoleculeEnergy conversion efficiencyChemical engineeringNanotechnologyOptoelectronicsLayer (electronics)ChemistryOrganic chemistryBiochemistryEngineeringPerovskite Materials and ApplicationsOrganic Light-Emitting Diodes ResearchOrganic and Molecular Conductors Research