Trimming defective perovskite layer surfaces for high-performance solar cells
Chanhyeok Kim, Kihoon Kim, Young‐Min Kim, V.N. Tsvetkov, Nam Joong Jeon, Bong Joo Kang, Hanul Min
Abstract
The defect density on the top surface of the perovskite thin film was significantly higher than that in the bulk. A trimming solvent treatment removed the defective top surface, substantially reducing the defect concentration and strain.
Topics & Concepts
TrimmingPerovskite (structure)Materials scienceLayer (electronics)Thin filmSurface (topology)Strain (injury)Chemical engineeringOptoelectronicsNanotechnologyComposite materialComputer scienceGeometryOperating systemInternal medicineMedicineMathematicsEngineeringPerovskite Materials and ApplicationsChalcogenide Semiconductor Thin FilmsQuantum Dots Synthesis And Properties