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Efficient Materials for Future Solar Cells – New Model to Determine Photoluminescence Quantum Efficiency In terms of efficiency, perovskite solar cells have caught up on silicon solar cells, but some of their properties are not yet understood completely. (Photo: Markus Breig, KIT) Perovskite semiconductors are considered promising materials for solar cells of the next generation. Suitability of a semiconductor for photovoltaics is reflected among others by the so-called photoluminescence quantum efficiency. Researchers of Karlsruhe Institute of Technology (KIT) have now developed a model, by means of which photoluminescence quantum efficiency of perovskite films can be determined exactly for the first time. This is reported in Matter (DOI: 10.1016/j.matt.2021.01.019).

Baden wubergPaul fasslUlrichw paetzoldInitiale recycelte photolumineszenzAbbildung fotoTechnical university of dresdenLight technology instituteInstitute of microstructure technologyMaterials for next generation photovoltaics groupResearchers of karlsruhe institute technologyHeidelberg universityKarlsruhe instituteAdvanced materialsTechnical universityMicrostructure technologyHave more optimization potentials