High-yield fullerene encapsulation in single-wall carbon nanotubes

Kataura, Hiromichi; Maniwa, Yutaka; Kodama, Tohru; Kikuchi, Kôichi; Hirahara, Kaori; Suenaga, Kazu; Iijima, Sumio; Suzuki, Satoshi; Achiba, Yohji; Krätschmer, Wolfgang

doi:10.1016/s0379-6779(00)00707-4

Cited by 274 publications

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“…SWCNT-R and SWCNT-L materials were purified following Ref. [17]. Peapod samples were prepeared by annealing SWCNT with C 60 in a quartz tube following Ref.…”

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confidence: 99%

Diameter selective reaction processes of single-wall carbon nanotubes

et al. 2005

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A novel method is presented which allows the characterization of diameter selective phenomena in SWCNTs. It is based on the transformation of fullerene peapod materials into double-wall carbon nanotubes and studying the diameter distribution of the latter. The method is demonstrated for the diameter selective healing of nanotube defects and yield from C70 peapod samples. Openings on small diameter nanotubes are closed first. The yield of very small diameter inner nanotubes from C70 peapods is demonstrated. This challenges the theoretical models of inner nanotube formation. An anomalous absence of mid-diameter inner tubes is observed and explained by the suppressed amount of C70 peapods due to the competition of the two almost equally stable standing and lying C70 peapod configurations.

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“…SWCNT-R and SWCNT-L materials were purified following Ref. [17]. Peapod samples were prepeared by annealing SWCNT with C 60 in a quartz tube following Ref.…”

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confidence: 99%

Diameter selective reaction processes of single-wall carbon nanotubes

et al. 2005

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“…L'engouement suscité par cette découverte a été très important, et un an plus tard était publié un mode de synthèse [33] permettant de produire ces objets en quantités suffisantes pour des études plus poussées. Avec l'amélioration croissante du contrôle sur le diamètre des nanotubes produits, des méthodes de synthèse de peapods de très haute qualité (taux de remplissage élevés, haute cristallinité des faisceaux, faible taux d'impuretés) ont pu être mises au point [34]. La figure 18 montre une photographie prise en MET de haute résolution d'un de ces échantillons de grande pureté.…”

Section: Les Petits-pois De Carbone : Chaînes De C 60 1d Confinées Daunclassified

Phonons et vibrations dans les fullerènes, les nanotubes de carbone et leurs composés

Cambedouzou

Rols

2010

JDN 16 – Diffusion Inélastique Des Neutrons Pour l'Etude Des Excitations Dans La Matiére Condensée

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Résumé. À travers quelques résultats expérimentaux marquants, nous illustrons l'apport des techniques de diffusion inélastique des neutrons à la compréhension des dynamiques de vibration et de réseau des fullerènes et des nanotubes de carbone. L'accent est particulièrement mis sur l'étude des excitations intra et inter-moléculaires des fullerènes de C 60 , ainsi que sur la transition dynamique ordre/désordre caractéristique de ces molécules. En outre, une part significative de ce chapitre est dédiée à divers composés d'intercalation et d'insertion des fullerènes et des nanotubes de carbone, comme le co-cristal "fullerène-cubane" formé d'un arrangement de molécules de formes sphérique et cubique, ou encore les composés appelés "peapods", dans lesquels des fullerènes C 60 sont insérés à l'intérieur de nanotubes de carbone monofeuillets.

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“…The breakthrough to further explore the in-the-tube chemistry was the discovery of encapsulating fullerenes or fullerene derivatives at ambient temperatures [7,8,9,10,11]. Conventional peapod synthesis involves heating the sample above 400-500 • C [12,13], which most fullerene derivatives do not tolerate. C 59 N, the on-ball nitrogen doped modification of fullerenes, has a rich chemistry due to its enhanced reactivity as compared to pristine fullerenes and can be synthesized in macroscopic amounts chemically [14,15].…”

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confidence: 99%

Encapsulating C₅₉N azafullerenes inside single‐wall carbon nanotubes

Simón

Kuzmany

Fülöp

et al. 2006

Physica Status Solidi (b)

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Filling of single-wall carbon nanotubes with C59N azafullerene derivatives is reported from toluene solvent at ambient temperature. The filling is characterized by high resolution transmission electron microscopy and Raman spectroscopy. The filling efficiency is the same as for C60 fullerenes and the tube-azafullerene interaction is similar to the tube-C60 interaction. Vacuum annealing of the encapsulated azafullerene results in the growth of inner tubes, however no spectroscopic signature of nitrogen built in the inner walls is detected.

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High-yield fullerene encapsulation in single-wall carbon nanotubes

Cited by 274 publications

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Diameter selective reaction processes of single-wall carbon nanotubes

Diameter selective reaction processes of single-wall carbon nanotubes

Phonons et vibrations dans les fullerènes, les nanotubes de carbone et leurs composés

Encapsulating C₅₉N azafullerenes inside single‐wall carbon nanotubes

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High-yield fullerene encapsulation in single-wall carbon nanotubes

Cited by 274 publications

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Diameter selective reaction processes of single-wall carbon nanotubes

Diameter selective reaction processes of single-wall carbon nanotubes

Phonons et vibrations dans les fullerènes, les nanotubes de carbone et leurs composés

Encapsulating C59N azafullerenes inside single‐wall carbon nanotubes

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Encapsulating C₅₉N azafullerenes inside single‐wall carbon nanotubes