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Enhanced Efficiency and Mechanical Stability in Flexible Perovskite Solar Cells via Phenethylammonium Iodide Surface Passivation
Published on 2025-07-11 by Ibtisam S. Almalki, Tamader H. Alenazi, Lina A. Mansouri, Zainab H. Al Mubarak, Zainab T. Al Nahab, Sultan M. Alenzi, Yahya A. Alzahrani, Ghazal S. Yafi, Abdulmajeed Almutairi, Abdurhman Aldukhail, Bader Alharthi, Abdulaziz Aljuwayr, Faisal S. Alghannam, Anas A. Almuqhim, Huda Alkhaldi, Fawziah Alhajri, Nouf K. AL-Saleem, Masfer Alkahtani, Anwar Q. Alanazi, Masaud Almalki @MDPI
Abstract: Flexible perovskite solar cells (FPSCs) hold great promise for lightweight and wearable photovoltaics, but improving their efficiency and durability under mechanical stress remains a key challenge. In this work, we fabricate and characterize flexible planar FPSCs on a polyethylene terephthalate (PET). A phenethylammonium iodide (PEAI) surface passivation layer is introduced on the perovskite to form a two-dimensional capping layer, and its impact on device performance and stability is systematic[...]
Our summary: Enhanced efficiency and mechanical stability achieved in flexible perovskite solar cells through PEAI surface passivation, leading to improved device performance and durability under mechanical stress. Integration of PEAI treatment with optimized ETL and HTL layers enhances efficiency and flexibility, paving the way for reliable and high-performance wearable solar cells.
Efficiency, Mechanical Stability, Perovskite Solar Cells, Phenethylammonium Iodide
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