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Toward High‐Performance Photodetectors Based on Quasi‐2D Ruddlesden‐Popper Mixed‐n Perovskite Nanomaterials

Brindhu Malani S, Eugen Klein, Rostyslav Lesyuk, Christian Klinke

Advanced Functional Materials, Start page: 2416027

Swansea University Author: Christian Klinke

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DOI (Published version): 10.1002/adfm.202416027

Abstract

The excellent optoelectronic properties, straightforward synthesis, and robust material stability of quasi‐2D metal halide perovskites have made them a hot research topic for optoelectronic devices. In layered organic–inorganic perovskites, the optoelectronic properties are greatly influenced by mor...

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Published in: Advanced Functional Materials
ISSN: 1616-301X 1616-3028
Published: Wiley 2024
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URI: https://cronfa.swan.ac.uk/Record/cronfa68564
first_indexed 2025-01-09T20:33:49Z
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spelling 2024-12-13T10:46:00.3191816 v2 68564 2024-12-13 Toward High‐Performance Photodetectors Based on Quasi‐2D Ruddlesden‐Popper Mixed‐n Perovskite Nanomaterials c10c44238eabfb203111f88a965f5372 Christian Klinke Christian Klinke true false 2024-12-13 The excellent optoelectronic properties, straightforward synthesis, and robust material stability of quasi‐2D metal halide perovskites have made them a hot research topic for optoelectronic devices. In layered organic–inorganic perovskites, the optoelectronic properties are greatly influenced by morphology and quantum confinement, which are crucial for their photodetection performance and offer an excellent tunability tool. Here the optoelectronic properties and photodetection performance of quasi‐2D methylammonium lead bromide perovskites with three different morphologies nanoplatelets, nanosheets, and nanostripes produced by colloidal hot injection technique are investigated. The structural and optical characterization reveals the mixed‐n phases with varying extents of confinement. The study shows that nanostripes with the weak confinement effect exhibit superior photodetection performance. They demonstrate the highest photoresponsivity (R), external quantum efficiency (EQE), and detectivity (D) of 183 mA W−1, 56% and 2.9 × 1011 Jones respectively. They also show the highest on/off ratio and fastest photoresponse (rise time (τ r ) = 3.4 and fall time (τ f ) = 4.3 ms) in comparison to nanoplatelets and nanosheets. The study will aid in realizing an inexpensive high‐performance photodetector based on nanoparticles of quasi‐2D perovskites. Journal Article Advanced Functional Materials 0 2416027 Wiley 1616-301X 1616-3028 3dB frequency, photodetection, quantum confinement, quasi‐2D perovskite, responsivity 12 12 2024 2024-12-12 10.1002/adfm.202416027 COLLEGE NANME COLLEGE CODE Swansea University Another institution paid the OA fee B.M.S. acknowledges Alexander von Humboldt-Stiftung/Foundation for the postdoctoral research fellowship. B.M.S also acknowledges Ronja Piehler for insightful discussions and technical help. Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) is acknowledged for funding of SFB 1477 “Light-Matter Interactions at Interfaces”, project number 441234705, W03, and W05. C. K. also acknowledges 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 DFG for funding an electron microscope Jeol NeoARM TEM (INST 264/161-1 FUGG) and an electron microscope Thermo Fisher Talos L120C (INST 264/188-1 FUGG). Open access funding enabled and organized by Projekt DEAL. 2024-12-13T10:46:00.3191816 2024-12-13T10:29:08.7962439 Faculty of Science and Engineering School of Engineering and Applied Sciences - Chemistry Brindhu Malani S 1 Eugen Klein 2 Rostyslav Lesyuk 3 Christian Klinke 4
title Toward High‐Performance Photodetectors Based on Quasi‐2D Ruddlesden‐Popper Mixed‐n Perovskite Nanomaterials
spellingShingle Toward High‐Performance Photodetectors Based on Quasi‐2D Ruddlesden‐Popper Mixed‐n Perovskite Nanomaterials
Christian Klinke
title_short Toward High‐Performance Photodetectors Based on Quasi‐2D Ruddlesden‐Popper Mixed‐n Perovskite Nanomaterials
title_full Toward High‐Performance Photodetectors Based on Quasi‐2D Ruddlesden‐Popper Mixed‐n Perovskite Nanomaterials
title_fullStr Toward High‐Performance Photodetectors Based on Quasi‐2D Ruddlesden‐Popper Mixed‐n Perovskite Nanomaterials
title_full_unstemmed Toward High‐Performance Photodetectors Based on Quasi‐2D Ruddlesden‐Popper Mixed‐n Perovskite Nanomaterials
title_sort Toward High‐Performance Photodetectors Based on Quasi‐2D Ruddlesden‐Popper Mixed‐n Perovskite Nanomaterials
author_id_str_mv c10c44238eabfb203111f88a965f5372
author_id_fullname_str_mv c10c44238eabfb203111f88a965f5372_***_Christian Klinke
author Christian Klinke
author2 Brindhu Malani S
Eugen Klein
Rostyslav Lesyuk
Christian Klinke
format Journal article
container_title Advanced Functional Materials
container_volume 0
container_start_page 2416027
publishDate 2024
institution Swansea University
issn 1616-301X
1616-3028
doi_str_mv 10.1002/adfm.202416027
publisher Wiley
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Engineering and Applied Sciences - Chemistry{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Engineering and Applied Sciences - Chemistry
document_store_str 0
active_str 0
description The excellent optoelectronic properties, straightforward synthesis, and robust material stability of quasi‐2D metal halide perovskites have made them a hot research topic for optoelectronic devices. In layered organic–inorganic perovskites, the optoelectronic properties are greatly influenced by morphology and quantum confinement, which are crucial for their photodetection performance and offer an excellent tunability tool. Here the optoelectronic properties and photodetection performance of quasi‐2D methylammonium lead bromide perovskites with three different morphologies nanoplatelets, nanosheets, and nanostripes produced by colloidal hot injection technique are investigated. The structural and optical characterization reveals the mixed‐n phases with varying extents of confinement. The study shows that nanostripes with the weak confinement effect exhibit superior photodetection performance. They demonstrate the highest photoresponsivity (R), external quantum efficiency (EQE), and detectivity (D) of 183 mA W−1, 56% and 2.9 × 1011 Jones respectively. They also show the highest on/off ratio and fastest photoresponse (rise time (τ r ) = 3.4 and fall time (τ f ) = 4.3 ms) in comparison to nanoplatelets and nanosheets. The study will aid in realizing an inexpensive high‐performance photodetector based on nanoparticles of quasi‐2D perovskites.
published_date 2024-12-12T05:41:39Z
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score 11.04748

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