Mechanistic insight into the formation of colloidal WS2 nanoflakes in hot alkylamine media
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Altres documents de l'autoria: Scarfiello, Riccardo; Cesari, Andrea; Altamura, Davide; Masi, Sofia; Nobile, Concetta; Balzano, Federica; Giannini, Cinzia; Grillo, Vincenzo; Tavabi, Amir Hossein; Dunin-Borkowski, Rafal E.; Uccello-Barretta, Gloria; Cozzoli, Pantaleo Davide; Rizzo, Aurora
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Mostra el registre complet de l'elementcomunitat-uji-handle:10234/9
comunitat-uji-handle2:10234/160292
comunitat-uji-handle3:10234/160293
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Mechanistic insight into the formation of colloidal WS2 nanoflakes in hot alkylamine mediaAutoria
Data de publicació
2019Editor
Royal Society of ChemistryCita bibliogràfica
SCARFIELLO, Riccardo, et al. Mechanistic insight into the formation of colloidal WS 2 nanoflakes in hot alkylamine media. Nanoscale Advances, 2019, vol. 1, no 7, p. 2772-2782.Tipus de document
info:eu-repo/semantics/articleVersió de l'editorial
https://pubs.rsc.org/en/content/articlelanding/2019/na/c9na00279k#!divAbstractVersió
info:eu-repo/semantics/publishedVersionResum
Developing convenient and reliable synthetic methodologies for solution processable 2D layered ultrathin
nanostructures with lateral size control is one of the major challenges for practical applications. In this ... [+]
Developing convenient and reliable synthetic methodologies for solution processable 2D layered ultrathin
nanostructures with lateral size control is one of the major challenges for practical applications. In this study,
a rational understanding a long-chain amphiphilic surfactant assisted non-hydrolytic synthesis that is able to
generate dimension-controllable 2D-WS2 nanocrystal flakes in a single-step protocol is proposed. The
evolution of the starting soft organic–inorganic lamellar template into ultrathin few-layer 2D-WS2
nanostructures with lateral size modulation over a range between 3 and 30 nm is monitored. The initial
formation of WS2 nanoseeds occurs in a self-assembled sacrificial precursor source, acting as
a template, where larger two-dimensional nanostructures can grow without undergoing significant
thickness variation. Overall, the chemical nature and steric hindrance of the alkylamines are essential to
modulate the reactivity of such WS2 nanoclusters, which correlate with the lateral size of the resulting
nanoflakes. [-]
Publicat a
Nanoscale Adv., 2019, 1Proyecto de investigación
197 RBSI14-FYVD B82I15000950008, PRA_2018_23, 766970Drets d'accés
info:eu-repo/semantics/openAccess
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