Geodesic
Two facile routes for functionalization of WS$_2$ nanotubes with silver nanoparticles
Nanosistemy: fizika, himiâ, matematika, Tome 8 (2017) no. 5, pp. 628-634 Cet article a éte moissonné depuis la source Math-Net.Ru

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Silver-coated WS$_2$ nanotubes (NT-WS$_2$) were successfully synthesized via two wet chemistry techniques. The first employs spontaneous silver nanoparticle growth resulting from an interaction of disulfide nanotubes with AgNO$_3$ in aqueous suspensions at 100$^\circ$ C without any additional reducing agents or stabilizers. The second utilizes [Ag(NH$_3$)$_2$]OH complex to produce silver nanoparticles upon thermal decomposition. Both techniques are capable of producing Ag-NT-WS$_2$ nanocomposites containing 5–60 nm silver nanoparticles tightly attached to the nanotubes' surfaces. The hexagonal arrangement of sulfur atoms of the outer WS$_2$ layer was postulated to facilitate crystallization of silver nanocrystals with hexagonal crystallographic system (4H-Ag). The physical-chemical model for spontaneous AgNP formation is proposed.
Keywords: spontaneous growth, 4H silver.
Mots-clés : WS$_2$ nanotubes, silver nanoparticles, plasmonic nanoparticles, nanocomposite 
@article{NANO_2017_8_5_a11,
     author = {A. Yu. Polyakov and V. A. Lebedev and L. Yadgarov and E. A. Goodilin},
     title = {Two facile routes for functionalization of {WS}$_2$ nanotubes with silver nanoparticles},
     journal = {Nanosistemy: fizika, himi\^a, matematika},
     pages = {628--634},
     year = {2017},
     volume = {8},
     number = {5},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/NANO_2017_8_5_a11/}
}
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A. Yu. Polyakov; V. A. Lebedev; L. Yadgarov; E. A. Goodilin. Two facile routes for functionalization of WS$_2$ nanotubes with silver nanoparticles. Nanosistemy: fizika, himiâ, matematika, Tome 8 (2017) no. 5, pp. 628-634. http://geodesic.mathdoc.fr/item/NANO_2017_8_5_a11/