Solvent-dripping modulated 3D/2D heterostructures for high-performance perovskite solar cells

Chang, Xiaoming; Azmi, Randi; Yang, Tinghuan; Wu, Nan; Jeong, Sang Young; Xi, Herui; Utomo, Drajad Satrio; Vishal, Badri; Isikgor, Furkan H.; Faber, Hendrik; Ling, Zhaoheng; He, Mingjie; Marengo, Marco; Dally, Pia; Prasetio, Adi; Yang, Yuying; Xiao, Chuanxiao; Woo, Han Young; Zhao, Kui; Heeney, Martin; Wolf, Stefaan De; Tsetseris, Leonidas; Anthopoulos, Thomas D.

doi:10.1038/s41467-025-56409-5

articleNature CommunicationsJan 26, 2025GOLD OA

Solvent-dripping modulated 3D/2D heterostructures for high-performance perovskite solar cells

XCXiaoming Chang RARandi Azmi TYTinghuan Yang NWNan Wu SYSang Young Jeong

King Abdullah University of Science and Technology · Chinese University of Hong Kong, Shenzhen · +8 more institutions

PubMed

Indexed incrossrefdoajpubmed

Abstract

The controlled growth of two-dimensional (2D) perovskite atop three-dimensional (3D) perovskite films reduces interfacial recombination and impedes ion migration, thus improving the performance and stability of perovskite solar cells (PSCs). Unfortunately, the random orientation of the spontaneously formed 2D phase atop the pre-deposited 3D perovskite film can deteriorate charge extraction owing to energetic disorder, limiting the maximum attainable efficiency and long-term stability of the PSCs. Here, we introduce a meta-amidinopyridine ligand and the solvent post-dripping step to generate a highly ordered 2D perovskite phase on the surface of a 3D perovskite film. The reconstructed 2D/3D perovskite interface…

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Topics & keywords

Topics

Keywords

Perovskite (structure)
Materials science
Passivation
Heterojunction
Energy conversion efficiency
Phase (matter)
Chemical engineering
Nanotechnology

UN Sustainable Development Goals

Affordable and clean energy

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