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Surface optimization to eliminate hysteresis for record efficiency planar perovskite solar cells
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2016
Year
EngineeringHalide PerovskitesPhotovoltaic DevicesChemistryPerovskite Solar CellsPhotovoltaic SystemPerovskite ModulePhotovoltaicsChemical EngineeringRecord EfficiencySolar Cell StructuresSurface OptimizationCharge ExtractionMaterials ScienceIonic LiquidElectrical EngineeringPerovskite MaterialsEnergy StorageEnergy MaterialLead-free PerovskitesPerovskite Solar CellApplied PhysicsSolar CellsSolar Cell Materials
The efficiency of planar CH<sub>3</sub>NH<sub>3</sub>PbI<sub>3</sub> perovskite solar cells has been improved up to 19.62% using an ionic liquid to modify the TiO<sub>2</sub> electron transport layer, and the <italic>J</italic>–<italic>V</italic> hysteresis is completely eliminated.
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