Metal composition influences optoelectronic quality in mixed-metal lead–tin triiodide perovskite solar absorbers
Matthew T. Klug, Rebecca L. Milot, Jay B. Patel, Thomas Green, Harry C. Sansom, Michael D. Farrar, Alexandra J. Ramadan, Samuele Martani, Zhiping Wang, Bernard Wenger, James M. Ball, Liam Langshaw, Annamaria Petrozza, Michael B. Johnston, Laura M. Herz, Henry J. Snaith
Abstract
By correlating photovoltaic and material properties with metal content, we identify compositional ranges of low and high optoelectronic quality in (FA<sub>0.83</sub>Cs<sub>0.17</sub>)(Pb<sub>1−y</sub>Sn<sub>y</sub>)I<sub>3</sub> perovskites.
Topics & Concepts
TriiodidePerovskite (structure)MetalTinMaterials scienceQuality (philosophy)OptoelectronicsCrystallographyMetallurgyChemistryPhysical chemistryDye-sensitized solar cellPhysicsElectrodeQuantum mechanicsElectrolytePerovskite Materials and ApplicationsSolid-state spectroscopy and crystallographyChalcogenide Semiconductor Thin Films