Holistic Optimization toward Ultrathin Flexible Perovskite Solar Cells with High Efficiency and Mechanical Robustness.

ABSTRACT: An ultrathin and flexible perovskite solar cell (f-PSC) is highly desirable as a portable power source, while the rigidity of key components including perovskite and transparent electrode of a device leads to challenges in fabrication. Here, several approaches are developed to improve the mechanical flexibility and photovoltaic performance of ultrathin f-PSCs. First, a two-dimensional perovskite with low Young's modulus is introduced at the boundaries of perovskite films as a lubricant to release stress which is confirmed by in situ TEM characterization. Second, conductive PEDOT:PSS doped with sucralose is used as a transparent electrode to enhance the mechanical flexibility and photovoltaic performance of the device. Third, an ultrathin PET substrate is employed to shift the neutral plane

SUBMITTER: Tang G 

PROVIDER: S-EPMC12279163 | biostudies-literature | 2025 Jul

REPOSITORIES: biostudies-literature