A‑Site-Dependent Oxidative Stability in Tin-Lead Halide Perovskites Reveals Kinetic Origins via Gradient Oxidation Behavior.

Precis Chem · 2026 · PMC12933487 · PMID 41756612

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a clear trendno p-value reported

A clear trend is also observed in MAFA perovskites: as the MA content increases from 0% to 50%, the activation energy progressively decreases from 0.08 to 0.03 eV, indicating that higher MA content compromises oxidation resistance and may thus limit long-term device stability.

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