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One- and two-dimensional inorganic crystals inside inorganic nanotubes
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Hong, Sung You, Kreizman, Ronen, Rosentsveig, Rita, Zak, Alla, Sloan, Jeremy, Enyashin, Andrey N., Seifert, Gotthard, Green, Malcolm L. H. and Tenne, Reshef (2010) One- and two-dimensional inorganic crystals inside inorganic nanotubes. European Journal of Inorganic Chemistry, Vol.2010 (27). pp. 4233-4243. doi:10.1002/ejic.201000456
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Official URL: http://dx.doi.org/10.1002/ejic.201000456
Abstract
Various inorganic salts can be encapsulated inside the comparatively narrow (0.8-2 nm) hollow core of single-walled carbon nanotubes (SWNTs) by molten phase capillary wetting. A new synthetic strategy is presented allowing the formation of one dimensional (1D) inorganic crystals or core-shell nanotubular structures by using multiwall WS2 nanotubes as host templates. Molten phase wetting with CsI results in the formation of 1D crystal structures inside WS2 nanocapillaries with a Moire pattern. The relatively large diameter of the WS2 nanotube (with inner and outer diameters of ca. 10 and 20 nm, respectively), allows a conformal folding of the guest PbI2 layers (PbI2@WS2 core-shell nanotubes) on the interior wall of the WS2 nanotube-template, thus leading to relatively defect-free core-shell inorganic nanotubular structures, which have not been previously observed within carbon nanotubes (CNTs). Core-shell WS2@MoS2 nanotubes can be obtained by the gas-phase reaction of MoCl5 with sulfur in the presence of WS2 nanotubes. The mechanism of imbibition/solidification of the molten salt into the hollow cores of MoS2 nanotubes has been studied by molecular dynamics simulations, showing major differences between layered compounds and those with quasi-isotropic structure. Theoretical considerations also show the conditions for the stability of such core-shell 1D nanostructures. These new strategies can open up many possibilities for the synthesis of new nanotubular structures.
Item Type: | Journal Item | ||||
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Subjects: | Q Science > QD Chemistry | ||||
Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||
Journal or Publication Title: | European Journal of Inorganic Chemistry | ||||
Publisher: | Wiley-VCH Verlag GMBH | ||||
ISSN: | 1434-1948 | ||||
Official Date: | September 2010 | ||||
Dates: |
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Volume: | Vol.2010 | ||||
Number: | 27 | ||||
Number of Pages: | 11 | ||||
Page Range: | pp. 4233-4243 | ||||
DOI: | 10.1002/ejic.201000456 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access | ||||
Funder: | G. M. J. Schmidt Minerva Center, Harold Perlman Foundation, European Research Society (ERC), Irving and Cherna Moskowitz Center for Nano and Bio-Nano Imaging, Israel Science Foundation | ||||
Grant number: | INTIF 226639 |
Data sourced from Thomson Reuters' Web of Knowledge
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