The bismuth oxyhalide family: thin film synthesis and periodic properties

Dalton Transactions : an International Journal of Inorganic Chemistry
Laura S Gómez-VelázquezMonserrat Bizarro

Abstract

Bismuth oxyhalides (BiOX, where X = F, Cl, Br, I) are interesting materials due to their layered structure, which can be useful for different applications. In this work, we present the synthesis of the complete BiOX family in the thin film form. The tetragonal phase Bi2O3 film deposited onto a glass substrate was transformed into BiOF, BiOCl or BiOBr by a simple immersion at ambient temperature in a halide (X = F, Cl, Br) containing solution. For these films, a residual phase from the oxide was present and for BiOF another phase (tentatively identified as Bi7O5F11) was present too. For the BiOI film synthesis, an iodine and bismuth containing solution was sprayed onto the glass substrate heated at 275 °C and a pure phase was obtained. Microstructural and morphological characterization was performed by X-ray diffraction and scanning electron microscopy, while the chemical environment was studied by X-ray photoelectron spectroscopy. Optical and photocatalytic properties were also obtained. The physical and chemical characteristics of the BiOX films follow a correlation with the atomic radius of the halogen atom incorporated into the corresponding lattice. All the BiOX films showed a photocatalytic response for the photodiscolorat...Continue Reading

References

Dec 31, 2008·Journal of Computational Chemistry·Wen Lai Huang
Mar 3, 2012·Journal of the American Chemical Society·Jing JiangLizhi Zhang
Apr 25, 2015·Photochemical & Photobiological Sciences : Official Journal of the European Photochemistry Association and the European Society for Photobiology·Karen Barrera-MotaSandra E Rodil
Nov 17, 2015·Journal of Physics. Condensed Matter : an Institute of Physics Journal·R R Q FreitasG K Gueorguiev
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Jun 9, 2016·Chemistry of Materials : a Publication of the American Chemical Society·Alex M GanoseDavid O Scanlon
Aug 1, 2016·Chemical Science·Davinder S BhachuClaire J Carmalt

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Citations

Jul 18, 2020·Chemical Communications : Chem Comm·Zaichun SunTomoteru Fukumura
Mar 22, 2021·Journal of Colloid and Interface Science·Jinlin ZhaoBaoyi Wang
Jan 21, 2022·Dalton Transactions : an International Journal of Inorganic Chemistry·J Alejandro Arana-TrenadoMonserrat Bizarro

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Methods Mentioned

BETA
X-ray
chemical bath

Software Mentioned

PDXL2®

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