What question did this study set out to answer?

This research aims to enhance the stability and efficiency of perovskite solar cells using innovative ionic molecules.

March 12, 2026

Cyclic Structured Ionic Molecules Formulating Multi‐Dimensional Perovskite Structures of Highly Stable and Efficient Perovskite Solar Cells (Adv. Funct. Mater. 18/2026)

Key Points

This research aims to enhance the stability and efficiency of perovskite solar cells using innovative ionic molecules.
Introduced a cyclic-structured ionic molecule to form an ultrathin interfacial phase.
Assessed stability under harsh conditions (85 °C/85% RH).
Evaluated structural robustness through continuous X-ray exposure and illumination.
Enhanced perovskite stability observed under damp-heat conditions.
Exceptional structural robustness confirmed via systematic testing.

Abstract

Multidimensional Perovskite Solar Cells In their Research Article (10.1002/adfm.202521541), Jaewon Lee, JungYup Yang, Min Kim and co-workers introduce a cyclic-structured ionic molecule that induces an ultrathin interfacial low-dimensional phase with beneficial in-plane compressive strain, markedly enhancing perovskite stability even under harsh damp-heat conditions (85 °C/85% RH). The resulting films exhibit exceptional structural robustness, as confirmed by continuous X-ray exposure combined with one-sun illumination.

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