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Scientific ReportsVolume 8, Issue 1, 1 December 2018, Article number 10133

Single Walled BiI3 nanotubes encapsulated within carbon nanotubes(Article)(Open Access)

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  • aNanostructured Materials Group, Department of Advanced Electron Microscopy, Imaging and Spectroscopy, International Iberian Nanotechnology Laboratory (INL), Avenida Mestre Jose Veiga, Braga, 4715-330, Portugal
  • bInstitute of Natural Sciences and Mathematics, Ural Federal University, Turgeneva Str., 4, Ekaterinburg, 620083, Russian Federation
  • cInstitute of Solid State Chemistry, Ural Branch of Russian Academy of Sciences, Pervomayskaya Str., 91, Ekaterinburg, 620990, Russian Federation

Abstract

Inorganic nanotubes are morphological counterparts of carbon nanotubes (CNTs). Yet, only graphene-like BN layer has been readily organized into single walled nanotubes so far. In this study, we present a simple route to obtain inorganic single walled nanotubes - a novel ultrathin morphology for bismuth iodide (BiI3), embedded within CNTs. The synthesis involves the capillary filling of BiI3 into CNT, which acts as a nanotemplate, by annealing the BiI3-CNT mixture above the melting point of BiI3. Aberration corrected scanning/transmission electron microscopy is used in characterizing the novel morphology of BiI3. A critical diameter which enables the formation of BiI3 nanotubes, against BiI3 nanorods is identified. The relative stability of these phases is investigated with the density functional theory calculations. Remarkably, the calculations reveal that the single walled BiI3 nanotubes are semiconductors with a direct band gap, which remain stable even without the host CNTs. © 2018 The Author(s).

Funding details

Funding sponsor Funding number Acronym
European Regional Development FundFEDER
Government Council on Grants, Russian Federation

  • 1

    A.E.A. and F.L.D. acknowledge the financial support by the N2020: Nanotechnology Based Functional Solutions (NORTE-01-0145-FEDER-000019), supported by Norte Portugal Regional Operational Program (NORTE2020), under the PORTUGAL 2020 Partnership Agreement, through the European Regional Development Fund (ERDF). A.N.E. acknowledges the support by Act 211 Government of the Russian Federation, contract № 02.A03.21.0006.

  • ISSN: 20452322
  • Source Type: Journal
  • Original language: English
  • DOI: 10.1038/s41598-018-28446-2
  • PubMed ID: 29973638
  • Document Type: Article
  • Publisher: Nature Publishing Group

  Deepak, F.L.; Nanostructured Materials Group, Department of Advanced Electron Microscopy, Imaging and Spectroscopy, International Iberian Nanotechnology Laboratory (INL), Avenida Mestre Jose Veiga, Braga, Portugal;
© Copyright 2018 Elsevier B.V., All rights reserved.

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