Facile synthesis of graphene anchored rare earth doped mixed metal ferrite nanorods: A potential candidate for azo dye mineralization
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61988987%3A17310%2F24%3AA250383V" target="_blank" >RIV/61988987:17310/24:A250383V - isvavai.cz</a>
Result on the web
<a href="https://www.sciencedirect.com/science/article/pii/S100207212300176X?via%3Dihub" target="_blank" >https://www.sciencedirect.com/science/article/pii/S100207212300176X?via%3Dihub</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1016/j.jre.2023.07.002" target="_blank" >10.1016/j.jre.2023.07.002</a>
Alternative languages
Result language
angličtina
Original language name
Facile synthesis of graphene anchored rare earth doped mixed metal ferrite nanorods: A potential candidate for azo dye mineralization
Original language description
Bandgap tuning using rare earth metals as dopants in ferrite -based photocatalytic materials has received a lot of interest because the Fermi 4f energy of these metals generates a sub -energy state in the bandgap generated by the overlapping of Fe -3d and O -2p orbitals. Herein, dysprosium -doped cobalt -nickel mixed ferrite (D-CNFO) and its graphene-reinforced composite (D-CNFO@G) were prepared and an ideal photocatalyst material for azo dye mineralization was proposed. A cost-effective combination of wetchemical and ultrasonication methods was used to prepare the doped and composite samples. Advanced characterization methodologies were used to scrutinize the optical, compositional, structural, morphological, and photocatalytic characteristics of as -prepared materials. The X-ray diffraction analysis identi fied the spinel phase's (cubic) structure, while the electronic spectroscopy examination con firmed the prepared samples' rod -like morphology. The UV/visible absorbance spectrum shows the higher light harvesting behavior of the D-CNFO@G in the visible region. The mineralization performance of the DCNFO and D-CNFO@G composites was analyzed using Congo -red (an anionic dye), a well-known azo dye. The D-CNFO@G sample removes Congo -red dye at a rate almost 2.4% faster than the D-CNFO sample. The experiment involving trapping free radicals indicates that hydroxyl radical plays a crucial role in dye degradation. Since the D-CNFO@G catalyst is magnetic and can be isolated easily from the photocatalytic system, it shows an awkward cycle activity of more than 96% after five mineralization tests. The asprepared D-CNFO@G composite is proved as an excellent option for azo dye mineralization because of the combined impacts of rare earth doping, graphene reinforcement and nanotechnology. (c) 2023 Chinese Society of Rare Earths. Published by Elsevier B.V. All rights reserved.
Czech name
—
Czech description
—
Classification
Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
—
OECD FORD branch
10400 - Chemical sciences
Result continuities
Project
—
Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace
Others
Publication year
2024
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Journal of Rare Earths
ISSN
1002-0721
e-ISSN
1002-0721
Volume of the periodical
—
Issue of the periodical within the volume
5
Country of publishing house
NL - THE KINGDOM OF THE NETHERLANDS
Number of pages
10
Pages from-to
907-916
UT code for WoS article
001224503900002
EID of the result in the Scopus database
2-s2.0-85187001447