New Sustainable, Scalable and One-Step Synthesis of Iron Oxide Nanoparticles by Ion Exchange Process.
ferrihydrite nanoparticles
hematite nanoparticles
ion exchange process
magnetite nanoparticles
δ-FeOOH nanoparticles
Journal
Nanomaterials (Basel, Switzerland)
ISSN: 2079-4991
Titre abrégé: Nanomaterials (Basel)
Pays: Switzerland
ID NLM: 101610216
Informations de publication
Date de publication:
20 Mar 2021
20 Mar 2021
Historique:
received:
21
02
2021
revised:
08
03
2021
accepted:
17
03
2021
entrez:
3
4
2021
pubmed:
4
4
2021
medline:
4
4
2021
Statut:
epublish
Résumé
This work introduces an innovative, sustainable, and scalable synthesis of iron oxides nanoparticles (NPs) in aqueous suspension. The method, based on ion exchange process, consists of a one-step procedure, time and energy saving, operating in water and at room temperature, by cheap and renewable reagents. The influence of both oxidation state of the initial reagent and reaction atmosphere is considered. Three kinds of iron nanostructured compounds are obtained (2-lines ferrihydrite; layered-structure iron oxyhydroxide δ-FeOOH; and cubic magnetite), in turn used as precursors to obtain hematite and maghemite NPs. All the produced NPs are characterized by a high purity, small particles dimensions (from 2 to 50 nm), and high specific surface area values up to 420 m
Identifiants
pubmed: 33804704
pii: nano11030798
doi: 10.3390/nano11030798
pmc: PMC8004010
pii:
doi:
Types de publication
Journal Article
Langues
eng
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