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Efficient and reproducible CH<sub>3</sub>NH<sub>3</sub>PbI<sub>3−<i>x</i></sub>(SCN)<sub><i>x</i></sub> perovskite based planar solar cells
163
Citations
29
References
2015
Year
SemiconductorsMaterials ScienceEngineeringPerovskite Solar CellTwo-step Solution MethodSolar Cell StructuresApplied PhysicsPerovskite MaterialsHalide PerovskitesSmall AmountPhotovoltaic DevicesThin FilmsSolar CellsLead-free PerovskitesPerovskite ModulePhotovoltaicsPlanar Solar CellsSolar Cell Materials
We report the addition of a small amount of Pb(SCN)2 into PbI2 in a two-step solution method. The resulting CH3NH3PbI(3-x)(SCN)x perovskite films present larger-sized crystals and fewer traps than CH3NH3PbI3. Their planar solar cells exhibit a maximum power conversion efficiency of 11.07% with remarkably high reproducibility and good stability.
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