Ultralight magnetic aerogels from Janus emulsions.
Journal
RSC advances
ISSN: 2046-2069
Titre abrégé: RSC Adv
Pays: England
ID NLM: 101581657
Informations de publication
Date de publication:
18 Feb 2020
18 Feb 2020
Historique:
received:
06
12
2019
accepted:
07
02
2020
entrez:
2
5
2022
pubmed:
20
2
2020
medline:
20
2
2020
Statut:
epublish
Résumé
Magnetite containing aerogels were synthesized by freeze-drying olive oil/silicone oil-based Janus emulsion gels containing gelatin and sodium carboxymethylcellulose (NaCMC). The magnetite nanoparticles dispersed in olive oil are processed into the gel and remain in the macroporous aerogel after removing the oil components. The coexistence of macropores from the Janus droplets and mesopores from freeze-drying of the hydrogels in combination with the magnetic properties offer a special hierarchical pore structure, which is of relevance for smart supercapacitors, biosensors, and spilled oil sorption and separation. The morphology of the final structure was investigated in dependence on initial compositions. More hydrophobic aerogels with magnetic responsiveness were synthesized by bisacrylamide-crosslinking of the hydrogel. The crosslinked aerogels can be successfully used in magnetically responsive clean up experiments of the cationic dye methylene blue.
Identifiants
pubmed: 35492159
doi: 10.1039/c9ra10247g
pii: c9ra10247g
pmc: PMC9049865
doi:
Types de publication
Journal Article
Langues
eng
Pagination
7492-7499Informations de copyright
This journal is © The Royal Society of Chemistry.
Déclaration de conflit d'intérêts
There are no conflict of interest.
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