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Combined Bulk and Surface Passivation in Dimensionally Engineered 2D‐3D Perovskite Films via Chlorine Diffusion

Mahmud, Md Arafat; Pham, Huyen T.; Duong, The; Yin, Yanting; Peng, Jun; Wu, Yiliang; Liang, Wensheng; Li, Li; Kumar, Anand; Shen, Heping; Walter, Daniel; Nguyen, Hieu; Mozaffari, Naeimeh; Tabi, Grace Dansoa; Andersson, Gunther; Catchpole, Kylie; Weber, Klaus


Dimensional engineering of perovskite films is a promising pathway to improve the efficiency and stability of perovskite solar cells (PSCs). In this context, surface or bulk passivation of defects in 3D perovskite film by careful introduction of 2D perovskite plays a key role. Here the authors demonstrate a 2D perovskite passivation scheme based on octylammonium chloride, and show that it provides both bulk and surface passivation of 1.6 eV bandgap 3D perovskite film for highly efficient...[Show more]

CollectionsANU Research Publications
Date published: 2021-11-10
Type: Journal article
Source: Advanced Functional Materials
DOI: 10.1002/adfm.202104251
Access Rights: Open Access


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