Preparation and properties of single-walled nanotubes filled with inorganic compounds

Eliseev, A. A.; Kharlamova, Marianna V.; Chernysheva, M. V.; Lukashin, A. V.; Tretyakov, Yuri D.; Kumskov, A. S.; Киселев, Н.А.

doi:10.1070/rc2009v078n09abeh004077

Cited by 58 publications

(43 citation statements)

References 22 publications

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“…the ex situ method) is considered to be the most universal approach to encapsulated nanotubes preparation. This technique enables filling single-walled nanotubes with virtually any chemical compounds from either gas or liquid phases (depending on the aggregate state of the encapsulated compound at the moment of its contact with the nanotube) (Eliseev et al, 2009a;Monthioux et al, 2006). This approach consists of several steps, the first of them being the opening of the SWNT ends.…”

Section: Filling Of Pre-synthesized Carbon Nanotubes (Ex Situ Methods)mentioning

confidence: 99%

One-Dimensional Crystals inside Single-Walled Carbon Nanotubes: Growth, Structure and Electronic Properties

Eliseev¹,

Yashina²,

Kharlamova³

et al. 2011

Electronic Properties of Carbon Nanotubes

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Section: Filling Of Pre-synthesized Carbon Nanotubes (Ex Situ Methods)mentioning

confidence: 99%

One-Dimensional Crystals inside Single-Walled Carbon Nanotubes: Growth, Structure and Electronic Properties

Eliseev¹,

Yashina²,

Kharlamova³

et al. 2011

Electronic Properties of Carbon Nanotubes

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“…This justifies the iron-filled tubes produced experimentally. 6,7,40 Free iron clusters exhibit large magnetic moments (see Table I). The magnetic moments of the encapsulated iron clusters, shown in Table III, are reduced with respect to the moments of the free clusters, except for Fe 2 , whereas there is an enhancement in the net magnetization of the ZNT.…”

Section: B Fe 12 Cluster Inside (100) Nanotubesmentioning

confidence: 99%

“…In the ex situ methods, nanotubes are filled by capillarity from a suspension of nanoparticles. 7 The aim of this work is to investigate the properties of ironfilled nanotubes rather than the growth mechanisms. However, we present in Sec.…”

Section: A Fe Clustersmentioning

confidence: 99%

“…Nanotubes filled with Fe have potential uses in medicine, 1 in spintronic devices, 2 including spin valves, 3 and can also be used as probes for magnetic force microscopy. 4,5 Recent reviews on the preparation of filled carbon nanotubes 6,7 indicate the activity in the field. In general, free metallic magnetic nanoparticles are oxide coated, but the encapsulation of Fe clusters and nanowires in carbon nanotubes, where these metallic nanostructures are protected from the oxidating environment, 8 has been shown to be feasible.…”

Section: Introductionmentioning

confidence: 99%

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Electronic and magnetic properties of Fe clusters inside finite zigzag single-wall carbon nanotubes

et al. 2013

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Density functional calculations of the electronic structure of the Fe 12 cluster encapsulated inside finite singlewall zigzag carbon nanotubes of indices (11,0) and (10,0) have been performed. Several Fe 12 isomers have been considered, including elongated shape isomers aimed to fit well inside the nanotubes, and the icosahedral minimum energy structure. We analyze the structural and magnetic properties of the combined systems, and how those properties change compared to the isolated systems. A strong ferromagnetic coupling between the Fe atoms occurs both for the free and the encapsulated Fe 12 clusters, but there is a small reduction (3-7.4 μ B ) of the spin magnetic moment of the encapsulated clusters with respect to that of the free ones (μ = 38 μ B ). The reduction of the magnetic moment is mostly due to the internal redistribution of the spin charges in the iron cluster. In contrast, the spin magnetic moment of the carbon nanotubes, which is zero for the empty tubes, becomes nonzero (1-3 μ B ) because of the interaction with the encapsulated cluster. We have also studied the encapsulation of atomic Fe and the growth of small Fe n clusters (n = 2, 4, 8) encapsulated in a short (10,0) tube. The results suggest that the growth of nanowires formed by distorted tetrahedral Fe 4 units will be favorable in (10,0) nanotubes and nanotubes of similar diameter.

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“…The inner channel of the CNTs has been filled by metals, alloys or inorganic nanoparticles. [Gautam et al 2010;Eliseev et al 2009;Cabana et al 2014] However, for energy application, the inorganic generally needs to have its surface accessible to gas or liquid molecules. Therefore, the deposition of the second compound on the nanocarbon surface (coating them) in general results more interesting for the formation of hybrid materials for energy applications.…”

Section: Nanocarbon-based Hybridsmentioning

confidence: 99%

Hybrid systems based on metal oxide and nanocarbons: electronic properties and applications for photocatalysis

Cuenca¹

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Preparation and properties of single-walled nanotubes filled with inorganic compounds

Cited by 58 publications

References 22 publications

One-Dimensional Crystals inside Single-Walled Carbon Nanotubes: Growth, Structure and Electronic Properties

One-Dimensional Crystals inside Single-Walled Carbon Nanotubes: Growth, Structure and Electronic Properties

Electronic and magnetic properties of Fe clusters inside finite zigzag single-wall carbon nanotubes

Hybrid systems based on metal oxide and nanocarbons: electronic properties and applications for photocatalysis

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