Methylamine-assisted secondary grain growth for CH<sub>3</sub>NH<sub>3</sub>PbI<sub>3</sub> perovskite films with large grains and a highly preferred orientation
Haochen Fan, Jin‐Hua Huang, Longsheng Chen, Yue Zhang, Yang Wang, Cai‐Yan Gao, Pengcheng Wang, Xueqin Zhou, Ke‐Jian Jiang, Yanlin Song
Abstract
A methylamine assisted secondary grain growth method is developed for the fabrication of MAPbI<sub>3</sub> perovskite films with a highly preferred orientation and large grain sizes, and the resultant devices exhibit improved photovoltaic performance with good stability.
Topics & Concepts
MethylaminePerovskite (structure)Materials scienceGrain sizeFabricationGrain growthOrientation (vector space)Chemical engineeringCrystallographyChemistryComposite materialMathematicsGeometryMedicineOrganic chemistryAlternative medicinePathologyEngineeringPerovskite Materials and ApplicationsQuantum Dots Synthesis And PropertiesChalcogenide Semiconductor Thin Films