RSC Advances · 2019 · 50 citations · 56 references
Natural SciencesChemistryMaterials ScienceElectronic MaterialsInorganic ChemistryMaterials ChemistryElectronic Band StructurePerovskite MaterialsPhotovoltaic MaterialsSolar Cell MaterialsSolar CellsSolar Photovoltaic SystemsCarrier GenerationExternal Quantum EfficiencyOpen-circuit VoltagePerovskite Crystal StructurePerovskite Solar CellsPhotovoltaic EfficiencySeries ResistanceShort-circuit Current
Addition of alkali metal elements (Na<sup>+</sup>, K<sup>+</sup>, Rb<sup>+</sup>, and Cs<sup>+</sup>) to Cu-modified CH<sub>3</sub>NH<sub>3</sub>PbI<sub>3−δ</sub>Cl<italic>δ</italic>devices improved the photovoltaic properties.
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