Applied Surface Science, volume 544, pages 148939

K4Nb6O17/Fe3N/α-Fe2O3/C3N4 as an enhanced visible light-driven quaternary photocatalyst for acetamiprid photodegradation, CO2 reduction, and cancer cells treatment

Publication typeJournal Article
Publication date2021-04-01
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor6.7
ISSN01694332
Surfaces, Coatings and Films
General Chemistry
General Physics and Astronomy
Condensed Matter Physics
Surfaces and Interfaces
Abstract
• Preparation of the novel quaternary K 4 Nb 6 O 17 /Fe 3 N/Fe 2 O 3 /C 3 N 4 photocatalyst. • Well description of charge transfer between the photoactive components. • Proposing a suitable mechanism based on EPR experiments. • Efficient photocatalytic CH 4 evolution and cancer cells treatment. A new magnetic quaternary photocatalyst, K 4 Nb 6 O 17 /α-Fe 2 O 3 /Fe 3 N/g-C 3 N 4 , was synthesized via a simple one-step thermal pyrolysis process. The prepared photocatalyst was well characterized, and its photocatalytic activity was evaluated towards acetamiprid pesticide degradation, CO 2 reduction reaction, and U87-MG cell eradication. The coexistence of four different crystalline structures in the prepared photocatalyst could simultaneously facilitate photoelectron transport and suppress charge recombination through their coupled heterogeneous interfaces. Because of the coexistence of various photosensitive compounds, the prepared photocatalyst showed the excellent capability to harvest the visible light photons despite its calculated high-bandgap of 2.75 eV. Besides, the magnetic saturation of about 12 emu/g facilitated the photocatalyst reusability. Benefiting from these favorable properties, the quaternary photocatalyst exhibited 76% removal efficiency for the degradation of acetamiprid pesticide after five times repeated cycles. The evolution rate of 7.01 and 1.3 μmol g −1 h −1 was estimated for CO and CH 4, respectively. According to the morphological properties of the treated cells with the IC50 concentration, adecrease of about 50% of viability was observed. Ultimately, the mechanism of charge transfer was comprehensively discussed by quenching experiments and spin-trapping ESR.

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Padervand M. et al. K4Nb6O17/Fe3N/α-Fe2O3/C3N4 as an enhanced visible light-driven quaternary photocatalyst for acetamiprid photodegradation, CO2 reduction, and cancer cells treatment // Applied Surface Science. 2021. Vol. 544. p. 148939.
GOST all authors (up to 50) Copy
Padervand M., Ghasemi S. A., Hajiahmadi S., Wang C. K4Nb6O17/Fe3N/α-Fe2O3/C3N4 as an enhanced visible light-driven quaternary photocatalyst for acetamiprid photodegradation, CO2 reduction, and cancer cells treatment // Applied Surface Science. 2021. Vol. 544. p. 148939.
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RIS Copy
TY - JOUR
DO - 10.1016/j.apsusc.2021.148939
UR - https://doi.org/10.1016/j.apsusc.2021.148939
TI - K4Nb6O17/Fe3N/α-Fe2O3/C3N4 as an enhanced visible light-driven quaternary photocatalyst for acetamiprid photodegradation, CO2 reduction, and cancer cells treatment
T2 - Applied Surface Science
AU - Padervand, Mohsen
AU - Ghasemi, S. Alireza
AU - Hajiahmadi, Sima
AU - Wang, Chuanyi
PY - 2021
DA - 2021/04/01 00:00:00
PB - Elsevier
SP - 148939
VL - 544
SN - 0169-4332
ER -
BibTex
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BibTex Copy
@article{2021_Padervand,
author = {Mohsen Padervand and S. Alireza Ghasemi and Sima Hajiahmadi and Chuanyi Wang},
title = {K4Nb6O17/Fe3N/α-Fe2O3/C3N4 as an enhanced visible light-driven quaternary photocatalyst for acetamiprid photodegradation, CO2 reduction, and cancer cells treatment},
journal = {Applied Surface Science},
year = {2021},
volume = {544},
publisher = {Elsevier},
month = {apr},
url = {https://doi.org/10.1016/j.apsusc.2021.148939},
pages = {148939},
doi = {10.1016/j.apsusc.2021.148939}
}
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