{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Gahlot K"],"funding":["Dutch Research Council (NWO)"],"pagination":["5177-5187"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC10918525"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["16(10)"],"pubmed_abstract":["Metal halide perovskite nanostructures, characterized by their ionic nature, present a compelling avenue for the tunability of dimensions and band gaps through facile compositional transformations involving both cationic and anionic exchange reactions. While post-synthetic ion-exchange processes have been extensively explored in Pb-halide perovskite nanocrystals, the inherent instability of Sn<sup>2+</sup> has limited the exploration of such processes in Sn-halide perovskite nanostructures. In this study, we present a straightforward cation exchange process wherein 2D [R-NH<sub>3</sub>]<sub>2</sub>SnX<sub>4</sub> Ruddlesden-Popper (RP) nanostructures with <i>n</i> = 1 transition to 3D ASnX<sub>3</sub> nanocrystals at room temperature with the addition of A-cation oleate. In addition, anion exchange processes have been demonstrated for both 2D [R-NH<sub>3</sub>]<sub>2</sub>SnX<sub>4</sub> RP nanostructures and 3D nanocrystals, showcasing transitions between iodide and bromide counterparts. Furthermore, we have fabricated a thin film of 2D [R-NH<sub>3</sub>]<sub>2</sub>SnX<sub>4</sub> RP nanostructures for cation exchange, wherein A-cation diffusion through a liquid-solid interface facilitates the transformation into a 3D ASnX<sub>3</sub> crystal. This investigation underscores the versatility of ion exchange processes in engineering the composition of Sn-halide perovskite nanostructures and, consequently, modulating their optical properties."],"journal":["Nanoscale"],"pubmed_title":["Structural and optical control through anion and cation exchange processes for Sn-halide perovskite nanostructures."],"pmcid":["PMC10918525"],"funding_grant_id":["VI.Veni.192.048"],"pubmed_authors":["Meijer J","Gahlot K","Protesescu L"],"additional_accession":[]},"is_claimable":false,"name":"Structural and optical control through anion and cation exchange processes for Sn-halide perovskite nanostructures.","description":"Metal halide perovskite nanostructures, characterized by their ionic nature, present a compelling avenue for the tunability of dimensions and band gaps through facile compositional transformations involving both cationic and anionic exchange reactions. While post-synthetic ion-exchange processes have been extensively explored in Pb-halide perovskite nanocrystals, the inherent instability of Sn<sup>2+</sup> has limited the exploration of such processes in Sn-halide perovskite nanostructures. In this study, we present a straightforward cation exchange process wherein 2D [R-NH<sub>3</sub>]<sub>2</sub>SnX<sub>4</sub> Ruddlesden-Popper (RP) nanostructures with <i>n</i> = 1 transition to 3D ASnX<sub>3</sub> nanocrystals at room temperature with the addition of A-cation oleate. In addition, anion exchange processes have been demonstrated for both 2D [R-NH<sub>3</sub>]<sub>2</sub>SnX<sub>4</sub> RP nanostructures and 3D nanocrystals, showcasing transitions between iodide and bromide counterparts. Furthermore, we have fabricated a thin film of 2D [R-NH<sub>3</sub>]<sub>2</sub>SnX<sub>4</sub> RP nanostructures for cation exchange, wherein A-cation diffusion through a liquid-solid interface facilitates the transformation into a 3D ASnX<sub>3</sub> crystal. This investigation underscores the versatility of ion exchange processes in engineering the composition of Sn-halide perovskite nanostructures and, consequently, modulating their optical properties.","dates":{"release":"2024-01-01T00:00:00Z","publication":"2024 Mar","modification":"2025-04-04T12:34:43.575Z","creation":"2025-04-04T12:34:43.575Z"},"accession":"S-EPMC10918525","cross_references":{"pubmed":["38385551"],"doi":["10.1039/d3nr06075f"]}}