Efficient and stable solution-processed planar perovskite solar cells via contact passivation
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Abstract
colloidal nanocrystal film that mitigates interfacial recombination and improves interface binding in low-temperature planar solar cells. We fabricated solar cells with certified efficiencies of 20.1 and 19.5% for active areas of 0.049 and 1.1 square centimeters, respectively, achieved via low-temperature solution processing. Solar cells with efficiency greater than 20% retained 90% (97% after dark recovery) of their initial performance after 500 hours of continuous room-temperature operation at their maximum power point under 1-sun illumination (where 1 sun is defined as the standard illumination at AM1.5, or 1 kilowatt/square meter).
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The record
- Venue
- Science
- Topic
- Perovskite Materials and Applications
- Field
- Engineering
- Canadian institutions
- University of Toronto
- Funders
- King Abdullah University of Science and TechnologyUniversity of TorontoNatural Sciences and Engineering Research Council of CanadaNederlandse Organisatie voor Wetenschappelijk Onderzoek
- Keywords
- PassivationPerovskite (structure)PlanarMaterials scienceOptoelectronicsChemical engineeringComputer scienceNanotechnologyEngineeringComputer graphics (images)Layer (electronics)
- Has abstract in OpenAlex
- yes