Molecular Press-Annealed Phase-Pure 2D/3D Heterojunctions with Hydrophobic Interfaces for Stable Perovskite Solar Cells
Abstract
Molecular press annealing enabled decylamine iodide to form a surface-confined 2D (n = 2)/3D heterojunction. The compact overlayer suppressed non-radiative recombination to deliver 25.55% PCE, while its hydrophobic long alkyl chains suppressed moisture ingress and improved device stability.
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