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Water‐Stable DMASnBr3 Lead‐Free Perovskite for Effective Solar‐Driven Photocatalysis

Lidia Romani, Andrea Speltini, Francesco Ambrosio, Edoardo Mosconi, Antonella Profumo, Marcello Marelli, Serena Margadonna Orcid Logo, Antonella Milella, Francesco Fracassi, Andrea Listorti, Filippo De Angelis, Lorenzo Malavasi

Angewandte Chemie, Volume: 133, Issue: 7, Pages: 3655 - 3662

Swansea University Author: Serena Margadonna Orcid Logo

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DOI (Published version): 10.1002/ange.202007584

Abstract

Water-stable metal halide perovskites could foster tremendous progresses in several research fields where their superior optical properties can make differences. In this work we report clear evidence of water stability in a lead-free metal halide perovskite, namely DMASnBr3, obtained by means of dif...

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Published in: Angewandte Chemie
ISSN: 0044-8249 1521-3757
Published: Wiley 2021
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URI: https://cronfa.swan.ac.uk/Record/cronfa55528
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spelling 2022-10-31T15:34:47.4141477 v2 55528 2020-10-27 Water‐Stable DMASnBr3 Lead‐Free Perovskite for Effective Solar‐Driven Photocatalysis e31904a10b1b1240b98ab52d9977dfbe 0000-0002-6996-6562 Serena Margadonna Serena Margadonna true false 2020-10-27 CHEG Water-stable metal halide perovskites could foster tremendous progresses in several research fields where their superior optical properties can make differences. In this work we report clear evidence of water stability in a lead-free metal halide perovskite, namely DMASnBr3, obtained by means of diffraction, optical and x-ray photoelectron spectroscopy. Such unprecedented water-stability has been applied to promote photocatalysis in aqueous medium, in particular by devising a novel composite material by coupling DMASnBr3 to g-C3N4, taking advantage from the combination of their optimal photophysical properties. The prepared composites provide an impressive hydrogen evolution rate >1700 μmol g-1 h-1 generated by the synergistic activity of the two composite costituents. DFT calculations provide insight into this enhancement deriving it from the favorable alignment of interfacial energy levels of DMASnBr3 and g-C3N4. The demonstration of an efficient photocatalytic activity for a composite based on lead-free metal halide perovskite in water paves the way to a new class of light-driven catalysts working in aqueous environments. Journal Article Angewandte Chemie 133 7 3655 3662 Wiley 0044-8249 1521-3757 metal halide perovskite; water-stability; tin halide perovskites; hydrogen photogeneration 15 2 2021 2021-02-15 10.1002/ange.202007584 COLLEGE NANME Chemical Engineering COLLEGE CODE CHEG Swansea University 2022-10-31T15:34:47.4141477 2020-10-27T17:14:34.5906490 Faculty of Science and Engineering School of Engineering and Applied Sciences - Chemical Engineering Lidia Romani 1 Andrea Speltini 2 Francesco Ambrosio 3 Edoardo Mosconi 4 Antonella Profumo 5 Marcello Marelli 6 Serena Margadonna 0000-0002-6996-6562 7 Antonella Milella 8 Francesco Fracassi 9 Andrea Listorti 10 Filippo De Angelis 11 Lorenzo Malavasi 12 55528__18832__6b25be9de2264e08877abf906e84c23e.pdf 55528.pdf 2020-12-07T12:06:00.8518173 Output 938046 application/pdf Accepted Manuscript true 2021-10-13T00:00:00.0000000 true eng
title Water‐Stable DMASnBr3 Lead‐Free Perovskite for Effective Solar‐Driven Photocatalysis
spellingShingle Water‐Stable DMASnBr3 Lead‐Free Perovskite for Effective Solar‐Driven Photocatalysis
Serena Margadonna
title_short Water‐Stable DMASnBr3 Lead‐Free Perovskite for Effective Solar‐Driven Photocatalysis
title_full Water‐Stable DMASnBr3 Lead‐Free Perovskite for Effective Solar‐Driven Photocatalysis
title_fullStr Water‐Stable DMASnBr3 Lead‐Free Perovskite for Effective Solar‐Driven Photocatalysis
title_full_unstemmed Water‐Stable DMASnBr3 Lead‐Free Perovskite for Effective Solar‐Driven Photocatalysis
title_sort Water‐Stable DMASnBr3 Lead‐Free Perovskite for Effective Solar‐Driven Photocatalysis
author_id_str_mv e31904a10b1b1240b98ab52d9977dfbe
author_id_fullname_str_mv e31904a10b1b1240b98ab52d9977dfbe_***_Serena Margadonna
author Serena Margadonna
author2 Lidia Romani
Andrea Speltini
Francesco Ambrosio
Edoardo Mosconi
Antonella Profumo
Marcello Marelli
Serena Margadonna
Antonella Milella
Francesco Fracassi
Andrea Listorti
Filippo De Angelis
Lorenzo Malavasi
format Journal article
container_title Angewandte Chemie
container_volume 133
container_issue 7
container_start_page 3655
publishDate 2021
institution Swansea University
issn 0044-8249
1521-3757
doi_str_mv 10.1002/ange.202007584
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 - Chemical Engineering{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Engineering and Applied Sciences - Chemical Engineering
document_store_str 1
active_str 0
description Water-stable metal halide perovskites could foster tremendous progresses in several research fields where their superior optical properties can make differences. In this work we report clear evidence of water stability in a lead-free metal halide perovskite, namely DMASnBr3, obtained by means of diffraction, optical and x-ray photoelectron spectroscopy. Such unprecedented water-stability has been applied to promote photocatalysis in aqueous medium, in particular by devising a novel composite material by coupling DMASnBr3 to g-C3N4, taking advantage from the combination of their optimal photophysical properties. The prepared composites provide an impressive hydrogen evolution rate >1700 μmol g-1 h-1 generated by the synergistic activity of the two composite costituents. DFT calculations provide insight into this enhancement deriving it from the favorable alignment of interfacial energy levels of DMASnBr3 and g-C3N4. The demonstration of an efficient photocatalytic activity for a composite based on lead-free metal halide perovskite in water paves the way to a new class of light-driven catalysts working in aqueous environments.
published_date 2021-02-15T04:09:48Z
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