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High-Yield Preparation of Exfoliated 1T-MoS2 with SERS Activity

Er E.
•
Hou H. -L.
•
Criado A.
altro
Prato M.
2019
  • journal article

Periodico
CHEMISTRY OF MATERIALS
Abstract
Molybdenum disulfide (MoS2), a promising two-dimensional transition-metal dichalcogenide, presents a challenge in the tuning of its optoelectronic and chemical properties. Herein, we demonstrate an efficient route to alter the crystalline structure of MoS2 by chemical exfoliation. Using NaK metal alloys, exfoliated and covalently functionalized MoS2 derivatives were obtained with a high metallic (1T) phase ratio, up to 94.5%. Consequently, exfoliated MoS2 showed a significant surface-enhanced Raman scattering activity toward rhodamine 6G (R6G) and crystal violet, with low detection limits. The versatility of this approach allows the covalent functionalization of MoS2 without relying on edge or basal-plane defects of the structure and preserving the high-ratio 1T phase.
DOI
10.1021/acs.chemmater.9b01698
WOS
WOS:000480826900042
Archivio
http://hdl.handle.net/11368/2964523
info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-85070693150
https://pubs.acs.org/doi/10.1021/acs.chemmater.9b01698
Diritti
open access
license:creative commons
license uri:http://creativecommons.org/licenses/by-nc-nd/4.0/
FVG url
https://arts.units.it/bitstream/11368/2964523/2/acs.chemmater.9b01698.pdf
Soggetti
  • Molybdenum disulfide

Web of Science© citazioni
119
Mese scorso
4
Data di acquisizione
Mar 4, 2024
Visualizzazioni
3
Data di acquisizione
Apr 19, 2024
Vedi dettagli
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