Fabrication of Nanocables by Electrochemical Deposition Inside Metal Nanotubes

Ku, Jie-Ren; Vidu, Ruxandra; Talroze, R. V.; Stroeve, Pieter

doi:10.1021/ja0450657

Cited by 60 publications

(58 citation statements)

References 19 publications

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“…We have dubbed these Fluted Nanowires (FNW). The deposition of nanowires and nanotubes consisting of iron group elements and alloys has been previously observed, [2][3][4]10,11,[13][14][15][16] with previous studies noting a critical voltage threshold dividing deposition into two separate dominant growth regimes: nanowire at low overpotentials and nanotube at high overpotentials, 23 but to our knowledge there is no literature on the mechanisms that produce FNWs.…”

mentioning

confidence: 75%

“…9,10 Templated electrodeposition is a well-established method [11][12][13][14][15][16] popularized by Martin et al 12 for the controlled synthesis of nanowires and nanotubes with the advantages of highly tunable size control, scalability, and low cost. Any template with well-defined pore sizes may be used, though the most common are commercial, track-etched polycarbonate (PCTE) and anodic alumina (AAO).…”

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confidence: 99%

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Nanowire formation is preceded by nanotube growth in templated electrodeposition of cobalt hybrid nanostructures

2016

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Cobalt fluted nanowires, novel nanostructures with a diameter of 200 nm consisting of a solid nanowire base and a thin, nanotubular flute shape, were grown in track-etched polycarbonate membranes via templated electrodeposition. The structures were characterized electrochemically via cyclic voltammetry, chronoamperometry, and charge stripping, and structurally via SEM, TEM, and focused ion beam cross-sectioning. Electrochemical and structural analysis reveals details of their deposition kinetics, structure, and morphology, and indicate possible mechanisms for their formation and control. These unique structures provide inspiration for an array of possible applications in electronics, photonics, and other fields.

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confidence: 75%

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confidence: 99%

Nanowire formation is preceded by nanotube growth in templated electrodeposition of cobalt hybrid nanostructures

2016

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“…Electrochemical template synthesis is by far the technique of choice used to obtain arrays of nanoelectrodes [95,96,[128][129][130][131]. Both axial and longitudinal growth of nanocables with p-n junctions can be produced.…”

Section: Nanocablesmentioning

confidence: 99%

“…Both axial and longitudinal growth of nanocables with p-n junctions can be produced. Starting with a nanoporous polycarbonate tract-etching (PCTE) membrane as a template, Au nanotubes were fabricated by electroless Au deposition inside the nanopores of the PCTE membrane [128]. Using the Au nanotube membrane as a second template, Te was deposited on the surfaces of the Au nanotubes by slow electrochemical deposition, taking advantage of underpotential deposition (UPD) [132].…”

Section: Nanocablesmentioning

confidence: 99%

Template-based syntheses for shape controlled nanostructures

Pérez-Page

et al. 2016

Advances in Colloid and Interface Science

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138

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A variety of nanostructured materials are produced through template-based synthesis methods, including zerodimensional, one-dimensional, and two-dimensional structures. These span different forms such as nanoparticles, nanowires, nanotubes, nanoflakes, and nanosheets. Many physical characteristics of these materials such as the shape and size can be finely controlled through template selection and as a result, their properties as well. Reviewed here are several examples of these nanomaterials, with emphasis specifically on the templates and synthesis routes used to produce the final nanostructures. In the first section, the templates have been discussed while in the second section, their corresponding synthesis methods have been briefly reviewed, and lastly in the third section, applications of the materials themselves are highlighted. Some examples of the templates frequently encountered are organic structure directing agents, surfactants, polymers, carbon frameworks, colloidal sol-gels, inorganic frameworks, and nanoporous membranes. Synthesis methods that adopt these templates include emulsion-based routes and template-filling approaches, such as self-assembly, electrodeposition, electroless deposition, vapor deposition, and other methods including layer-by-layer and lithography. Templatebased synthesized nanomaterials are frequently encountered in select fields such as solar energy, thermoelectric materials, catalysis, biomedical applications, and magnetowetting of surfaces.

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“…Other remarkable example is a nanocable (core/shell) structure of CdTe/CdS which was obtained by Vidu et al [31] using template synthesis techniques. This CdTe/CdS nanocable structure may provide higher efficiency than thin film configuration, and a total power output that is 1.5 to 3 times higher than current technologies.…”

Section: Nanotube and Nanocable Structuresmentioning

confidence: 99%

Effect of Nanoparticles Shape on the Efficiency of Hybrid Solar Cells

Mihai¹,

Vidu²,

Badea³

2016

ARA 40th Congress Proceedings

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Abstract:In recent years, the solar cell research interest has been focused on hybrid solar cells that use the advantage of mixed active layer such as semiconductor nanoparticles and polymeric organic materials. The goal of the solar research groups is to increase the efficiency of solar cells, their lifetime and cost of fabrication. For example, the solar cells based on silicon has long lifetime, good efficiency, but high fabrication costs. Solar market shows a great interest in hybrid solar cells due to their increased yield, extended lifetime compared to organic cells, and ease in fabrication with great potential in reducing the manufacturing costs. In this paper, the effect of various nanostructures on the performance of hybrid solar cells was studied. A relationship between the nanoparticle shapes and solar cell efficiency was developed, which showed that the aspect ratio of nanoparticles was an important factor in designing solar cells with improved efficiency.

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Fabrication of Nanocables by Electrochemical Deposition Inside Metal Nanotubes

Cited by 60 publications

References 19 publications

Nanowire formation is preceded by nanotube growth in templated electrodeposition of cobalt hybrid nanostructures

Nanowire formation is preceded by nanotube growth in templated electrodeposition of cobalt hybrid nanostructures

Template-based syntheses for shape controlled nanostructures

Effect of Nanoparticles Shape on the Efficiency of Hybrid Solar Cells

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