General molten-salt route to three-dimensional porous transition metal nitrides as sensitive and stable Raman substrates.
Journal
Nature communications
ISSN: 2041-1723
Titre abrégé: Nat Commun
Pays: England
ID NLM: 101528555
Informations de publication
Date de publication:
02 Mar 2021
02 Mar 2021
Historique:
received:
22
07
2020
accepted:
05
02
2021
entrez:
3
3
2021
pubmed:
4
3
2021
medline:
4
3
2021
Statut:
epublish
Résumé
Transition metal nitrides have been widely studied due to their high electrical conductivity and excellent chemical stability. However, their preparation traditionally requires harsh conditions because of the ultrahigh activation energy barrier they need to cross in nucleation. Herein, we report three-dimensional porous VN, MoN, WN, and TiN with high surface area and porosity that are prepared by a general and mild molten-salt route. Trace water is found to be a key factor for the formation of these porous transition metal nitrides. The porous transition metal nitrides show hydrophobic surface and can adsorb a series of organic compounds with high capacity. Among them, the porous VN shows strong surface plasmon resonance, high conductivity, and a remarkable photothermal conversion efficiency. As a new type of corrosion- and radiation-resistant surface-enhanced Raman scattering substrate, the porous VN exhibits an ultrasensitive detection limit of 10
Identifiants
pubmed: 33654080
doi: 10.1038/s41467-021-21693-4
pii: 10.1038/s41467-021-21693-4
pmc: PMC7925654
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
1376Subventions
Organisme : General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China (General Administration of Quality Supervision, Inspection and Quarantine of the P.R.C.)
ID : 2017YFF0210003
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