WARAKULWIT, Chompunuch; NGUYEN, Thi; MAJIMEL, Jérôme; DELVILLE, Marie-Hélène; LAPEYRE, Véronique; GARRIGUE, Patrick; RAVAINE, Valérie; LIMTRAKUL, Jumras; KUHN, Alexander

doi:10.1021/nl072652s

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WARAKULWIT, Chompunuch
Chemistry Department
Institut des Sciences Moléculaires [ISM]

NGUYEN, Thi
Institut des Sciences Moléculaires [ISM]

MAJIMEL, Jérôme
Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB]

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Nano Letters. 2008, vol. 8, n° 2, p. 500-504

American Chemical Society

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Short carbon nanotubes have been modified selectively on one end with metal using a bulk technique based on bipolar electrochemistry. A stabilized suspension of nanotubes is introduced in a capillary containing an aqueous metal salt solution, and a high electric field is applied to orientate and polarize the individual tubes. During their transport through the capillary under sufficient polarization (30 kV), each nanotube is the site of water oxidation on one end and the site of metal ion reduction on the other end with the size of the formed metal cluster being proportional to the potential drop along the nanotube.< Leer menos

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Carbon nanotubes

Electrochemistry

Dissimetry

Nanoparticles

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Dissymmetric carbon nanotubes by bipolar electrochemistry

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