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Ultrasonic synthesis and characterization of mesoporous monoclinic BiVO4 nanopowder

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2022
bitstream_4425.pdf (1.974Mb)
Authors
Jelić, Stefan
Cirkovic, Jovana
Jovanović, Jelena
Radojkovic, Aleksandar
Novaković, Tatjana
Brankovic, Goran
Brankovic, Zorica
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Abstract
The BiVO4 sample was successfully synthesized from a mixture of ammonium vanadate, bismuth(III) nitrate, and nitric acid exposed to ultrasound irradiation. Structure, microstructure and optical properties of the obtained BiVO4 nanopowder were investigated. X-ray diffraction (XRD) analysis confirmed single phase monoclinic lattice system with average crystallite size of 50 nm in diameter. Scanning electron microscopy (SEM) micrographs revealed the tendency of crystallites to agglomerate forming larger irregular sub-micron spheres. Brunauer-Emmett-Teller (BET) method was used to estimate the specific surface area of the sample and determine pore shape and size. UV–vis spectroscopy measurements have revealed favorably high absorbance of the visible light with the calculated band-gap value of 2.48 eV. Calculated values of valence and conducting band energies are +2.77 eV and +0.29 eV respectively, suggested that BiVO4 can be used for photocatalytic degradation under sunlight irradiation as... evident from the UV–vis spectrum.

Keywords:
ultrasonic synthesis / bismuth vanadate / X-ray diffraction / Scanning Electron Microscopy / Brunauer-Emmett-Teller
Source:
The 6 th Conference of The Serbian Society for Ceramic Materials: 6CSCS-2022, Belgrade, Serbia, 2022, 64-
Publisher:
  • Institut za multidisciplinarna istraživanja Kneza Višeslava 1, 11000 Belgrade, Serbia
Funding / projects:
  • Ministry of Education, Science and Technological Development, Republic of Serbia, Grant no. 200053 (University of Belgrade, Institute for Multidisciplinary Research) (RS-200053)

ISBN: 978-86-80109-23-7

[ Google Scholar ]
Handle
https://hdl.handle.net/21.15107/rcub_rimsi_1776
URI
http://rimsi.imsi.bg.ac.rs/handle/123456789/1776
Collections
  • Radovi istraživača / Researchers’ publications
Institution/Community
Institut za multidisciplinarna istraživanja
TY  - CONF
AU  - Jelić, Stefan
AU  - Cirkovic, Jovana
AU  - Jovanović, Jelena
AU  - Radojkovic, Aleksandar
AU  - Novaković, Tatjana
AU  - Brankovic, Goran
AU  - Brankovic, Zorica
PY  - 2022
UR  - http://rimsi.imsi.bg.ac.rs/handle/123456789/1776
AB  - The BiVO4 sample was successfully synthesized from a mixture of ammonium vanadate, bismuth(III) nitrate, and nitric acid exposed to ultrasound irradiation. Structure, microstructure and optical properties of the obtained BiVO4 nanopowder were investigated. X-ray diffraction (XRD) analysis confirmed single phase monoclinic lattice system with average crystallite size of 50 nm in diameter. Scanning electron microscopy (SEM) micrographs revealed the tendency of crystallites to agglomerate forming larger irregular sub-micron spheres. Brunauer-Emmett-Teller (BET) method was used to estimate the specific surface area of the sample and determine pore shape and size. UV–vis spectroscopy measurements have revealed favorably high absorbance of the visible light with the calculated band-gap value of 2.48 eV. Calculated values of valence and conducting band energies are +2.77 eV and +0.29 eV respectively, suggested that BiVO4 can be used for photocatalytic degradation under sunlight irradiation as evident from the UV–vis spectrum.
PB  - Institut za multidisciplinarna istraživanja Kneza Višeslava 1, 11000 Belgrade, Serbia
C3  - The 6 th Conference of The Serbian Society for Ceramic Materials: 6CSCS-2022, Belgrade, Serbia
T1  - Ultrasonic synthesis and characterization of mesoporous monoclinic BiVO4 nanopowder
SP  - 64
UR  - https://hdl.handle.net/21.15107/rcub_rimsi_1776
ER  - 
@conference{
author = "Jelić, Stefan and Cirkovic, Jovana and Jovanović, Jelena and Radojkovic, Aleksandar and Novaković, Tatjana and Brankovic, Goran and Brankovic, Zorica",
year = "2022",
abstract = "The BiVO4 sample was successfully synthesized from a mixture of ammonium vanadate, bismuth(III) nitrate, and nitric acid exposed to ultrasound irradiation. Structure, microstructure and optical properties of the obtained BiVO4 nanopowder were investigated. X-ray diffraction (XRD) analysis confirmed single phase monoclinic lattice system with average crystallite size of 50 nm in diameter. Scanning electron microscopy (SEM) micrographs revealed the tendency of crystallites to agglomerate forming larger irregular sub-micron spheres. Brunauer-Emmett-Teller (BET) method was used to estimate the specific surface area of the sample and determine pore shape and size. UV–vis spectroscopy measurements have revealed favorably high absorbance of the visible light with the calculated band-gap value of 2.48 eV. Calculated values of valence and conducting band energies are +2.77 eV and +0.29 eV respectively, suggested that BiVO4 can be used for photocatalytic degradation under sunlight irradiation as evident from the UV–vis spectrum.",
publisher = "Institut za multidisciplinarna istraživanja Kneza Višeslava 1, 11000 Belgrade, Serbia",
journal = "The 6 th Conference of The Serbian Society for Ceramic Materials: 6CSCS-2022, Belgrade, Serbia",
title = "Ultrasonic synthesis and characterization of mesoporous monoclinic BiVO4 nanopowder",
pages = "64",
url = "https://hdl.handle.net/21.15107/rcub_rimsi_1776"
}
Jelić, S., Cirkovic, J., Jovanović, J., Radojkovic, A., Novaković, T., Brankovic, G.,& Brankovic, Z.. (2022). Ultrasonic synthesis and characterization of mesoporous monoclinic BiVO4 nanopowder. in The 6 th Conference of The Serbian Society for Ceramic Materials: 6CSCS-2022, Belgrade, Serbia
Institut za multidisciplinarna istraživanja Kneza Višeslava 1, 11000 Belgrade, Serbia., 64.
https://hdl.handle.net/21.15107/rcub_rimsi_1776
Jelić S, Cirkovic J, Jovanović J, Radojkovic A, Novaković T, Brankovic G, Brankovic Z. Ultrasonic synthesis and characterization of mesoporous monoclinic BiVO4 nanopowder. in The 6 th Conference of The Serbian Society for Ceramic Materials: 6CSCS-2022, Belgrade, Serbia. 2022;:64.
https://hdl.handle.net/21.15107/rcub_rimsi_1776 .
Jelić, Stefan, Cirkovic, Jovana, Jovanović, Jelena, Radojkovic, Aleksandar, Novaković, Tatjana, Brankovic, Goran, Brankovic, Zorica, "Ultrasonic synthesis and characterization of mesoporous monoclinic BiVO4 nanopowder" in The 6 th Conference of The Serbian Society for Ceramic Materials: 6CSCS-2022, Belgrade, Serbia (2022):64,
https://hdl.handle.net/21.15107/rcub_rimsi_1776 .

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