Phase transition engineering for effective defect passivation to achieve highly efficient and stable perovskite solar cells
Dohyun Kim, Hyuntae Choi, Wooteak Jung, Chanhyeok Kim, Eun Young Park, Sungryong Kim, Nam Joong Jeon, Seulki Song, Taiho Park
Abstract
We suggest phase transition-induced surface passivation of alkylammonium formates for effective defect passivation of perovskite, achieving significantly improved efficiency and thermal stability.
Topics & Concepts
PassivationPerovskite (structure)Materials scienceThermal stabilityPhase transitionPhase (matter)Chemical engineeringThermalOptoelectronicsCondensed matter physicsNanotechnologyChemistryThermodynamicsLayer (electronics)PhysicsOrganic chemistryEngineeringPerovskite Materials and ApplicationsChalcogenide Semiconductor Thin FilmsQuantum Dots Synthesis And Properties