Photocatalytic degradation of methylene blue using polyaniline-based silver-doped zinc sulfide (PANI-Ag/ZnS) composites.
Density functional theory (DFT)
Heterogeneous photocatalysis
Polyaniline
Response surface methodology
Silver doping
Wastewater treatment
Journal
Environmental science and pollution research international
ISSN: 1614-7499
Titre abrégé: Environ Sci Pollut Res Int
Pays: Germany
ID NLM: 9441769
Informations de publication
Date de publication:
Feb 2022
Feb 2022
Historique:
received:
05
04
2021
accepted:
23
08
2021
pubmed:
9
9
2021
medline:
27
1
2022
entrez:
8
9
2021
Statut:
ppublish
Résumé
This study set out to determine the photocatalytic degradation potential of polyaniline-based silver-doped zinc sulfide composite (PANI-Ag/ZnS) for effective degradation of methylene blue. The heterogeneous photocatalytic experiments were carried out by irradiating aqueous dye solutions with ultraviolet light (UV-254 nm). The catalysts (ZnS, Ag/ZnS, PANI-ZnS, and PANI-Ag/ZnS) were prepared successfully and characterized by Fourier Transforms Infrared Spectroscopy (FTIR), Scanning Electron Microscopy (SEM), and Energy-dispersive X-ray diffraction (EDX). Combined with density functional theory calculations, a set of calculations has been performed for optimization, computation, and accuracy of the structure. After the optimization, the equilibrium lattice were a=b= (0.54447 nm), in good agreement with experimental results (a=b=c=0.54093 nm). Fermi energy levels E
Identifiants
pubmed: 34494196
doi: 10.1007/s11356-021-16181-7
pii: 10.1007/s11356-021-16181-7
doi:
Substances chimiques
Aniline Compounds
0
Sulfides
0
Zinc Compounds
0
polyaniline
0
Silver
3M4G523W1G
Zinc
J41CSQ7QDS
zinc sulfide
KPS085631O
Methylene Blue
T42P99266K
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
9203-9217Informations de copyright
© 2021. The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature.
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