Optical and Structural Property Tuning in Physical Vapor Deposited Bismuth Halides Cs(3)Bi(2)(I(1–x)Br(x))(9) (0 ≤ x ≤ 1)

[Image: see text] Crystalline films of lead-free all-inorganic Cs(3)Bi(2)X(9) (X = Br, I) perovskites have been deposited by radio frequency (RF)-magnetron sputtering providing high-quality, single-phase films as confirmed by structural, morphological, and optical property characterization. Progress...

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Autores principales: Bonomi, Sara, Galinetto, Pietro, Patrini, Maddalena, Romani, Lidia, Malavasi, Lorenzo
Formato: Online Artículo Texto
Lenguaje:English
Publicado: American Chemical Society 2021
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8456412/
https://www.ncbi.nlm.nih.gov/pubmed/34472341
http://dx.doi.org/10.1021/acs.inorgchem.1c01545
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author Bonomi, Sara
Galinetto, Pietro
Patrini, Maddalena
Romani, Lidia
Malavasi, Lorenzo
author_facet Bonomi, Sara
Galinetto, Pietro
Patrini, Maddalena
Romani, Lidia
Malavasi, Lorenzo
author_sort Bonomi, Sara
collection PubMed
description [Image: see text] Crystalline films of lead-free all-inorganic Cs(3)Bi(2)X(9) (X = Br, I) perovskites have been deposited by radio frequency (RF)-magnetron sputtering providing high-quality, single-phase films as confirmed by structural, morphological, and optical property characterization. Progressive tuning of crystal structure characteristics and optical absorbance has been achieved in mixed Br/I phases Cs(3)Bi(2)(I(1–x)Br(x))(9) (0 ≤ x ≤ 1), highlighting a shift of the band gap from about 2.0 eV for Cs(3)Bi(2)I(9) to 2.64 eV for Cs(3)Bi(2)Br(9). X-ray diffraction and Raman scattering allowed defining the range of alloyed compositions where single-phase compositions are found. Finally, preliminary photocatalytic activity tests on the degradation of methylene blue provided solid data indicating the future possible exploitation of Bi-based perovskite derivative materials as active photocatalysts.
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spelling pubmed-84564122021-09-22 Optical and Structural Property Tuning in Physical Vapor Deposited Bismuth Halides Cs(3)Bi(2)(I(1–x)Br(x))(9) (0 ≤ x ≤ 1) Bonomi, Sara Galinetto, Pietro Patrini, Maddalena Romani, Lidia Malavasi, Lorenzo Inorg Chem [Image: see text] Crystalline films of lead-free all-inorganic Cs(3)Bi(2)X(9) (X = Br, I) perovskites have been deposited by radio frequency (RF)-magnetron sputtering providing high-quality, single-phase films as confirmed by structural, morphological, and optical property characterization. Progressive tuning of crystal structure characteristics and optical absorbance has been achieved in mixed Br/I phases Cs(3)Bi(2)(I(1–x)Br(x))(9) (0 ≤ x ≤ 1), highlighting a shift of the band gap from about 2.0 eV for Cs(3)Bi(2)I(9) to 2.64 eV for Cs(3)Bi(2)Br(9). X-ray diffraction and Raman scattering allowed defining the range of alloyed compositions where single-phase compositions are found. Finally, preliminary photocatalytic activity tests on the degradation of methylene blue provided solid data indicating the future possible exploitation of Bi-based perovskite derivative materials as active photocatalysts. American Chemical Society 2021-09-02 2021-09-20 /pmc/articles/PMC8456412/ /pubmed/34472341 http://dx.doi.org/10.1021/acs.inorgchem.1c01545 Text en © 2021 The Authors. Published by American Chemical Society https://creativecommons.org/licenses/by/4.0/Permits the broadest form of re-use including for commercial purposes, provided that author attribution and integrity are maintained (https://creativecommons.org/licenses/by/4.0/).
spellingShingle Bonomi, Sara
Galinetto, Pietro
Patrini, Maddalena
Romani, Lidia
Malavasi, Lorenzo
Optical and Structural Property Tuning in Physical Vapor Deposited Bismuth Halides Cs(3)Bi(2)(I(1–x)Br(x))(9) (0 ≤ x ≤ 1)
title Optical and Structural Property Tuning in Physical Vapor Deposited Bismuth Halides Cs(3)Bi(2)(I(1–x)Br(x))(9) (0 ≤ x ≤ 1)
title_full Optical and Structural Property Tuning in Physical Vapor Deposited Bismuth Halides Cs(3)Bi(2)(I(1–x)Br(x))(9) (0 ≤ x ≤ 1)
title_fullStr Optical and Structural Property Tuning in Physical Vapor Deposited Bismuth Halides Cs(3)Bi(2)(I(1–x)Br(x))(9) (0 ≤ x ≤ 1)
title_full_unstemmed Optical and Structural Property Tuning in Physical Vapor Deposited Bismuth Halides Cs(3)Bi(2)(I(1–x)Br(x))(9) (0 ≤ x ≤ 1)
title_short Optical and Structural Property Tuning in Physical Vapor Deposited Bismuth Halides Cs(3)Bi(2)(I(1–x)Br(x))(9) (0 ≤ x ≤ 1)
title_sort optical and structural property tuning in physical vapor deposited bismuth halides cs(3)bi(2)(i(1–x)br(x))(9) (0 ≤ x ≤ 1)
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8456412/
https://www.ncbi.nlm.nih.gov/pubmed/34472341
http://dx.doi.org/10.1021/acs.inorgchem.1c01545
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