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Colloidal Quasi‐2D Methylammonium Lead Bromide Perovskite Nanostructures with Tunable Shape and High Chemical Stability

Eugen Klein, Rostyslav Lesyuk Orcid Logo, Christian Klinke

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Swansea University Author: Christian Klinke

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DOI (Published version): 10.1002/smll.202405758

Abstract

Control over the lateral dimensions of colloidal nanostructures is a complex task which requires a deep understanding of the formation mechanism and reactivity in the corresponding systems. As a result, it provides a well‐founded insight to the physical and chemical properties of these materials. In...

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ISSN: 1613-6810 1613-6829
Published: Wiley 2024
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spelling v2 67750 2024-09-19 Colloidal Quasi‐2D Methylammonium Lead Bromide Perovskite Nanostructures with Tunable Shape and High Chemical Stability c10c44238eabfb203111f88a965f5372 Christian Klinke Christian Klinke true false 2024-09-19 Control over the lateral dimensions of colloidal nanostructures is a complex task which requires a deep understanding of the formation mechanism and reactivity in the corresponding systems. As a result, it provides a well‐founded insight to the physical and chemical properties of these materials. In this work, the preparation of quasi‐2D methylammonium lead bromide nanostripes and discuss the influence of some specific parameters on the morphology and stability of this material is demonstrated. The variation in the amount of the main ligand dodecylamine gives a large range of structures beginning with 3D brick‐like particles at low concentrations, nanostripes at elevated and ultimately nanosheets at large concentrations. The amount of the co‐ligand trioctylphosphine can alter the width of the nanostripe shape to a certain degree. The thickness can be adjusted by the amount of the second precursor methylammonium bromide. Additionally, insights are given for the suggested formation mechanism of these anisotropic structures as well as for stability against moisture at ambient conditions in comparison with differently synthesized nanosheet samples. Journal Article Small 0 Wiley 1613-6810 1613-6829 2D nanostructures, colloidal synthesis, methylammonium lead bromide, stability, 17 9 2024 2024-09-17 10.1002/smll.202405758 COLLEGE NANME COLLEGE CODE Swansea University Another institution paid the OA fee The authors thank the Sylvia Speller group and Regina Lange for providing the AFM setup. The authors thank the co-worker Ronja Piehler for designing the Scheme 1. Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) is acknowledged for funding of SFB 1477 “Light-Matter Interactions at Interfaces”, project number 441234705, W03 and W05. The authors also acknowledge the European Regional Development Fund of the European Union for funding the PL spectrometer (GHS-20-0035/P000376218) and X-ray diffractometer (GHS-20-0036/P000379642) and the Deutsche Forschungsgemeinschaft (DFG) for funding an electron microscope Jeol NeoARM TEM (INST 264/161-1 FUGG) and an electron microscope ThermoFisher Talos L120C (INST 264/188-1 FUGG). The authors also thank Henrik Lund and Leibniz-Institute for Catalysis, Rostock (LIKAT) for PXRD measurement in cappilary. Open access funding enabled and organized by Projekt DEAL. 2024-10-21T16:07:53.3788520 2024-09-19T15:36:44.3906465 Faculty of Science and Engineering School of Engineering and Applied Sciences - Chemistry Eugen Klein 1 Rostyslav Lesyuk 0000-0001-8723-9222 2 Christian Klinke 3 67750__31400__5718fe7451a942f59745e214ffed9101.pdf smll.202405758.pdf 2024-09-19T15:36:44.3811283 Output 4097934 application/pdf Version of Record true © 2024 The Author(s). This is an open access article under the terms of the Creative Commons Attribution License (CC-BY 4.0). true eng http://creativecommons.org/licenses/by/4.0/
title Colloidal Quasi‐2D Methylammonium Lead Bromide Perovskite Nanostructures with Tunable Shape and High Chemical Stability
spellingShingle Colloidal Quasi‐2D Methylammonium Lead Bromide Perovskite Nanostructures with Tunable Shape and High Chemical Stability
Christian Klinke
title_short Colloidal Quasi‐2D Methylammonium Lead Bromide Perovskite Nanostructures with Tunable Shape and High Chemical Stability
title_full Colloidal Quasi‐2D Methylammonium Lead Bromide Perovskite Nanostructures with Tunable Shape and High Chemical Stability
title_fullStr Colloidal Quasi‐2D Methylammonium Lead Bromide Perovskite Nanostructures with Tunable Shape and High Chemical Stability
title_full_unstemmed Colloidal Quasi‐2D Methylammonium Lead Bromide Perovskite Nanostructures with Tunable Shape and High Chemical Stability
title_sort Colloidal Quasi‐2D Methylammonium Lead Bromide Perovskite Nanostructures with Tunable Shape and High Chemical Stability
author_id_str_mv c10c44238eabfb203111f88a965f5372
author_id_fullname_str_mv c10c44238eabfb203111f88a965f5372_***_Christian Klinke
author Christian Klinke
author2 Eugen Klein
Rostyslav Lesyuk
Christian Klinke
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publishDate 2024
institution Swansea University
issn 1613-6810
1613-6829
doi_str_mv 10.1002/smll.202405758
publisher Wiley
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hierarchy_parent_id facultyofscienceandengineering
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department_str School of Engineering and Applied Sciences - Chemistry{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Engineering and Applied Sciences - Chemistry
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description Control over the lateral dimensions of colloidal nanostructures is a complex task which requires a deep understanding of the formation mechanism and reactivity in the corresponding systems. As a result, it provides a well‐founded insight to the physical and chemical properties of these materials. In this work, the preparation of quasi‐2D methylammonium lead bromide nanostripes and discuss the influence of some specific parameters on the morphology and stability of this material is demonstrated. The variation in the amount of the main ligand dodecylamine gives a large range of structures beginning with 3D brick‐like particles at low concentrations, nanostripes at elevated and ultimately nanosheets at large concentrations. The amount of the co‐ligand trioctylphosphine can alter the width of the nanostripe shape to a certain degree. The thickness can be adjusted by the amount of the second precursor methylammonium bromide. Additionally, insights are given for the suggested formation mechanism of these anisotropic structures as well as for stability against moisture at ambient conditions in comparison with differently synthesized nanosheet samples.
published_date 2024-09-17T16:07:51Z
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