ArticleThe journal of physical chemistry letters2025
Dynamic Screening and the Chemical Inductor of Perovskite Solar Cells: From
Article in The journal of physical chemistry letters, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Interfacial Energetics in Metal Halide Perovskite Solar Cells.Chemical reviews · 2026Article
- Progress on Synergistic Enhancement of Perovskite Solar Cell Efficiency and Stability via Defect Engineering and Carrier Dynamics Optimization.Small methods · 2026Review
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Authors and funding
5 authors.
Funding
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Abstract
The operation of metal halide perovskite solar cells is governed by the interplay between electronic transport and recombination processes strongly modulated by ionic dynamics. We present a unified framework that disentangles the photocurrent into distinct ionic-electronic conductivity pathways, incorporating recombination, polarization, and charge-collection effects. Using simplified dynamic models, we describe how electric-field screening and slow ionic relaxation shape the hysteresis of the photocurrent. From the nonlinear differential equations, we derive the corresponding impedance response and show that the characteristic low-frequency "double inductor" feature arises from two separate mechanisms: ion-controlled recombination and ionic screening of the internal electric field. This approach offers a general route to connect transient photocurrent phenomena with impedance signatures, providing new tools to identify and classify degradation pathways in perovskite solar cells.
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Registered trials
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