The hydrothermal synthesis of BiOBr flakes for visible-light-responsive photocatalytic degradation of methyl orange
By Zheng Jiang, Fan Yang, Guidong Yang, L. Kong, M. O. Jones, T. Xiao, P. Edwards. 2010
214 citations recorded by the source corpus.
Flake-like BiOBr semiconductors have been prepared using hydrothermal synthesis with meticulous control of synthesis parameters and used for photocatalytic degradation of methyl orange. XRD, SEM and UV-vis characterizations have been performed to study the obtained BiOBr materials. The results indicate that the morphology and crystallite size of BiOBr depend significantly on the temperature and duration of the hydrothermal syntheses. Diffuse UV-vis spectra show the BiOBr materials to be indirect semiconductors with an optical bandgap of approximately 2.92 eV, which is essentially unaffected by the synthesis parameters. The hydrothermal-synthesized BiOBr flakes exhibit noticeable activity for photodegradation of methyl orange under visible light (>400 nm) illumination, with the BiOBr synthesized by hydrothermal treatment at 120 degrees C for 6 h exhibiting superior photocatalytic performance in these flakes. The excellent activity and photo-stability reveal that BiOBr is a promising visible-light-responsive photocatalyst. (C) 2010 Elsevier B.V. All rights reserved.
Subfields: Electrical and Electronic Engineering, Electronic, Optical and Magnetic Materials, Renewable Energy, Sustainability and the Environment
View Paper: https://www.semanticscholar.org/paper/37b929e136da92e55af8e38bdde8e5f3f0d4cf0d
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Citations in the corpus
- Unusual reactivity of visible-light-responsive AgBr–BiOBr heterojunction photocatalysts (2012, methodology): “The reduction–oxidation (redox) half reaction Bi/Bi would not happen since the BiOBr is much stable both in air and solution [23].”
- Experimental and DFT insights of the Zn-doping effects on the visible-light photocatalytic water splitting and dye decomposition over Zn-doped BiOBr photocatalysts (2019, methodology): “Using the widely adopted semi-empirical electronegativity methods [3,10,27,32,33], the latter research also illustrated the bandstructure of BiOBr and Zn-BiOBr with suitable CBMs and VBMs that enable dye decomposition and water splitting.”
- A survey of photocatalytic materials for environmental remediation. (2012, background): “sis process in acidic conditions exhibited noticeable activity under visible light [400].”