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.
Cha et al. (2026) studied this question.