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Fujimori T, dos Santos RB, Hayashi T, et al. Formation and properties of selenium double-helices inside double-wall carbon nanotubes: experiment and theory. ACS Nano. 2013;7(6):5607-13doi: 10.1021/nn4019703.
Fujimori, T., dos Santos, R. B., Hayashi, T., Endo, M., Kaneko, K., & Tománek, D. (2013). Formation and properties of selenium double-helices inside double-wall carbon nanotubes: experiment and theory. ACS nano, 7(6), 5607-13. https://doi.org/10.1021/nn4019703
Fujimori, Toshihiko, et al. "Formation and properties of selenium double-helices inside double-wall carbon nanotubes: experiment and theory." ACS nano vol. 7,6 (2013): 5607-13. doi: https://doi.org/10.1021/nn4019703
Fujimori T, dos Santos RB, Hayashi T, Endo M, Kaneko K, Tománek D. Formation and properties of selenium double-helices inside double-wall carbon nanotubes: experiment and theory. ACS Nano. 2013 Jun 25;7(6):5607-13. doi: 10.1021/nn4019703. Epub 2013 May 24. PMID: 23683115.
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ACS Nano. 2013 Jun 25;7(6):5607-13. doi: 10.1021/nn4019703. Epub 2013 May 24.

Formation and properties of selenium double-helices inside double-wall carbon nanotubes: experiment and theory.

ACS nano

Toshihiko Fujimori, Renato Batista dos Santos, Takuya Hayashi, Morinobu Endo, Katsumi Kaneko, David Tománek

Affiliations

  1. Research Center for Exotic Nanocarbons (JST), Shinshu University, 4-17-1 Wakasato, Nagano-city 380-8553, Japan.

PMID: 23683115 DOI: 10.1021/nn4019703

Abstract

We report the production of covalently bonded selenium double-helices within the narrow cavity inside double-wall carbon nanotubes. The double-helix structure, characterized by high-resolution transmission electron microscopy and X-ray diffraction, is completely different from the bulk atomic arrangement and may be considered a new structural phase of Se. Supporting ab initio calculations indicate that the observed encapsulated Se double-helices are radially compressed and have formed from free Se atoms or short chains contained inside carbon nanotubes. The calculated electronic structure of Se double-helices is very different from the bulk system, indicating the possibility to develop a new branch of Se chemistry.

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