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.

Supplementary files

Article information

Article type
Communication
Submitted
01 Apr 2026
Accepted
16 Jun 2026
First published
18 Jun 2026

Chem. Commun., 2026, Accepted Manuscript

Molecular Press-Annealed Phase-Pure 2D/3D Heterojunctions with Hydrophobic Interfaces for Stable Perovskite Solar Cells

R. Qi, G. Gao, G. Wang, A. Zhou, G. Xing, K. Guo, R. Chen and G. Wu, Chem. Commun., 2026, Accepted Manuscript , DOI: 10.1039/D6CC02013E

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