Quasi-quantum dot-induced stabilization of α-CsPbI<sub>3</sub>perovskite for high-efficiency solar cells
Cheng Liu, Yi Yang, Xin Liu, Yong Ding, Zulqarnain Arain, Xinye Li, Yuanlong Li, Zi’an Zhou, Songyuan Dai, Mohammad Khaja Nazeeruddin
Abstract
Quasi-quantum dots α-CsPbI<sub>3</sub>films are<italic>in situ</italic>prepared by using a new ligand with ultralow contents. By increasing the film hydrophobicity and surface Gibbs energy, the device with efficiency of 13.5% keeps stable under ambient condition for 30 days.
Topics & Concepts
Quantum dotPerovskite (structure)Materials scienceGibbs free energyHigh energyLigand (biochemistry)Solar cellOptoelectronicsChemical physicsNanotechnologyChemical engineeringEngineering physicsPhysicsChemistryCrystallographyThermodynamicsBiochemistryEngineeringReceptorPerovskite Materials and ApplicationsQuantum Dots Synthesis And PropertiesChalcogenide Semiconductor Thin Films