Cited by 91Advanced Photocatalysis TechniquesAdvanced oxidation water treatmentTiO2 Photocatalysis and Solar Cells

The DOI matches its Crossref record; 72 of the 72 references it cites were found in a registry or an index.

Synthesis and characterization of CoOx/BiVO4 photocatalysts for the degradation of propyl paraben

Petala, Athanasia, Noe, Antigoni, Frontistis, Zacharias, Drivas, Charalampos, Kennou, Stella, Mantzavinos, Dionissios, Kondarides, Dimitris I.·2019·Journal of Hazardous Materials

Abstract

Cobalt-promoted bismuth vanadate photocatalysts of variable cobalt content (0-1.0 wt.%) were synthesized and characterized with various techniques including BET, XRD, DRS, XPS and TEM. BiVO 4 exists in the monoclinic scheelite structure, while cobalt addition improves the absorbance in the visible region although it does not affect the band gap energy of BiVO 4. Cobalt exists in the form of well-dispersed Co 3 O 4 nanocrystallites, which are in intimate contact with the much larger BiVO 4 nanoparticles. Photocatalytic activity was evaluated for the degradation of propyl paraben (PP) under simulated solar radiation. The activity of pristine BiVO 4 is significantly improved adding small amounts of cobalt and is maximized for the catalyst containing 0.5 wt.% Co. PP degradation in ultrapure pure water increases with increasing photocatalyst loading (100 mg/L to 1.5 g/L), and decreasing PP concentration (1600-200 μg/L). Experiments in bottled water, as well as in pure water spiked with bicarbonate and chloride ions showed little effect of non-target inorganics on degradation. Conversely, degradation is severely impeded in secondary treated wastewater. The enhancement of the photocatalytic activity of the synthesized catalysts is attributed to efficient electron-hole separation, achieved at the p-n junction formed between the p-type Co 3 O 4 and the n-type BiVO 4 semiconductors.

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Crossref · 10.1016/j.jhazmat.2018.03.008

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72 of 72 references verified0 citation errors · 0 not checkable

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  • New materials that can function under visible irradiation suffer from either low stability, like silver phosphate, or low efficiency, like bismuth vanadate.

    “new materials that can function under visible irradiation su er from either low stability, like silver phosphate [20] or low e ciency, like bismuth vanadate [27].”

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Metadata

Authors
Petala, A., Noe, A., Frontistis, Z., Drivas, C., Kennou, S., Mantzavinos, D., & Kondarides, D. I.
Affiliations
University of Patras (GR)
Venue
Journal of Hazardous Materials
Publisher
Elsevier BV
Published
2019-06
Volume
372
Pages
52-60
ISSN
0304-3894 (ISSN-L)
OpenAlex
W2791590555
Cited by
91
References
72
Citations by year
2026: 5 · 2025: 9 · 2024: 12 · 2023: 6 · 2022: 15 · 2021: 14 · 2020: 22 · 2019: 5
FWCI
2.54
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of Hazardous Materials (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Advanced Photocatalysis Techniques
  • Physical Sciences › Environmental Science › Water Science and Technology › Advanced oxidation water treatment
  • Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › TiO2 Photocatalysis and Solar Cells
Keywords
bismuth vanadate, cobalt doping, propylparaben, photocatalytic degradation, p-n junction, electron-hole separation, visible light absorption, scheelite structure, secondary effluent, bottled water

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