Construction of a gradient-type 2D/3D perovskite structure for subsurface passivation and energy-level alignment of an MAPbI<sub>3</sub> film
Yang Liu, Ruixue Lu, Jiafeng Zhang, Xin Guo, Can Li
Abstract
A gradient-type 2D/3D perovskite structure with both small and large n value 2D perovskites was constructed to passivate both surface and subsurface defects, outperforming the traditional bilayered 2D/3D perovskite structure for photovoltaics.
Topics & Concepts
PassivationPhotovoltaicsPerovskite (structure)Materials scienceOptoelectronicsEngineering physicsNanotechnologyPhotovoltaic systemLayer (electronics)CrystallographyChemistryElectrical engineeringEngineeringPerovskite Materials and ApplicationsQuantum Dots Synthesis And PropertiesChalcogenide Semiconductor Thin Films