ArticleACS energy letters2025
Determining the Ion Mobility in Perovskite Solar Cells from Impedance Spectroscopy.
Article in ACS energy letters, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
What it found
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Who cites it
3 citing papers in PubMed.
- Resolving mobile halide diffusion in perovskite films with frequency-domain photoluminescence.EES solar · 2026Article
- Progress on Synergistic Enhancement of Perovskite Solar Cell Efficiency and Stability via Defect Engineering and Carrier Dynamics Optimization.Small methods · 2026Review
- Photo-protective iodine chelate enables stable perovskite solar cells under reverse bias.Nature communications · 2026Article
Corrections and comments
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Authors and funding
4 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Mobile ions in metal halide perovskites are found to degrade perovskite solar cells (PSCs). Therefore, characterizing their density and mobility is crucial for improving the long-term performance of PSCs. We introduce a formula to determine the mobility directly from impedance spectroscopy. The validity of the formula is confirmed through extensive drift-diffusion simulations varying 38 parameters including mobilities, ion densities, layer thicknesses, and trap densities. All in all, these simulations describe a wide variety of PSCs. Alternative formulas from the literature are also tested but are found to be suboptimal. After validation, we experimentally determine the ion mobility of a methylammonium lead iodide PSC to be 4 × 10
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Registered trials
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