Defect mitigation using <scp>d</scp>-penicillamine for efficient methylammonium-free perovskite solar cells with high operational stability
Jianchao Yang, Weijian Tang, Ruihan Yuan, Yu Chen, Jing Wang, Yihui Wu, Wan‐Jian Yin, Ningyi Yuan, Jianning Ding, Wen‐Hua Zhang
Abstract
Iodine vacancy defects in MA-free perovskite are effectively passivated through the interaction between Pb 2+ and the functional groups in d -penicillamine, resulting in an impressive efficiency of 22.4% along with excellent operational stability.
Topics & Concepts
PassivationFormamidiniumCrystallinityPhotoluminescencePerovskite (structure)Materials scienceEnergy conversion efficiencyBand gapTinOptoelectronicsNanotechnologyChemical engineeringChemistryCrystallographyMetallurgyLayer (electronics)Composite materialEngineeringPerovskite Materials and ApplicationsQuantum Dots Synthesis And PropertiesSolid-state spectroscopy and crystallography