2006
DOI: 10.1149/1.2165711
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Producing Shape-Controlled Metal Nanowires and Nanotubes by an Electrochemical Method

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Cited by 65 publications
(86 citation statements)
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“…ii. Unlike the nanotubes reported by others formed by metal upon ion reduction with hydrogen side reactions, 26,28,29 the nanotubes observed here are formed from a part of the membrane region and at the top of the nanowires. Alumina tubes can be formed by simply dissolving an unfilled alumina template as reported by Xiao et al 42 They dissolved similar alumina templates in the same 1 M NaOH solution as reported here and found tubes after an exposure time of 15-35 min.…”
Section: Discussioncontrasting
confidence: 72%
See 1 more Smart Citation
“…ii. Unlike the nanotubes reported by others formed by metal upon ion reduction with hydrogen side reactions, 26,28,29 the nanotubes observed here are formed from a part of the membrane region and at the top of the nanowires. Alumina tubes can be formed by simply dissolving an unfilled alumina template as reported by Xiao et al 42 They dissolved similar alumina templates in the same 1 M NaOH solution as reported here and found tubes after an exposure time of 15-35 min.…”
Section: Discussioncontrasting
confidence: 72%
“…Nanotubes deposited into nanoporous templates have been attributed to the generation of gas evolution. Fukushima et al 28 observed Ni nanotubes electrodeposited from an acid electrolyte where the tubular shape was due to hydrogen gas blocking parts of the pore. CoNiCu and Cu nanotubes were also observed by Davis and Podlaha, 29 though the driver was due to a combination of pore blocking by the gas, partial pore coverage on the substrate and a mass transport controlled reaction.…”
mentioning
confidence: 99%
“…This peak may indicate that the deposition of Ni in the porous scaffold may involve a combination of charge and diffusion controlled processes with co-evolution of H 2 . 39,40 Furthermore, it is observed that the current densities for the Ag/GDC scaffold, planar Ag/GDC and Ag/GDC composite membrane are smaller than that obtained on the flat Ag foil, despite their increased surface area. These observations could be due to a combination of: (i) non ideal current distribution on the Ag-coated GDC and Ag/GDC membrane surfaces; and (ii) mass transport limitations related to the diffusion of Ni 2+ ions through the porous support to the metal-electrolyte interface.…”
Section: Effect Of Nimentioning
confidence: 97%
“…We showed that the deposition rate increases steadily as V dep is made more cathodic, which means that the Ru deposition rate is not limited (in the range of potential studied here) by the diffusion of electroactive species (26). Therefore, the growth mechanism suggested by Fukunaka et al (16) might prevail and concurrent gas evolution must play a crucial role in the formation of well aligned Ru nanotubes.…”
Section: Growth Mechanism Of Ruthenium Nanotubesmentioning
confidence: 49%
“…In some cases, NTs were formed but they were dispersed in solution and therefore not connected to a substrate through which an electrical connection could be established (16). Also limited control of the inner diameter of the NTs was achieved.…”
Section: Introductionmentioning
confidence: 99%