Nanotube Synthesis
Nanotube Synthesis - Related Videos
09:34
Synthesis and Characterization of Fe-doped Aluminosilicate Nanotubes with Enhanced Electron Conductive Properties
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Cited by 3 •
2016
Here, we present a protocol to synthesize and characterize Fe-doped aluminosilicate nanotubes. The materials are obtained by either sol-gel synthesis upon addition of FeCl3•6H2O to the mixture containing the Si and Al precursors or by post-synthesis ionic exchange of preformed aluminosilicate nanotubes.
13:37
Template Directed Synthesis of Plasmonic Gold Nanotubes with Tunable IR Absorbance
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Cited by 1 •
2013
Solution-suspendable gold nanotubes with controlled dimensions can be synthesized by electrochemical deposition in porous anodic aluminum oxide (AAO) membranes using a hydrophobic polymer core. Gold nanotubes and nanotube arrays hold promise for applications in plasmonic biosensing, surface-enhanced Raman spectroscopy, photo-thermal heating, ionic and molecular transport, microfluidics, catalysis and electrochemical sensing.
09:48
Simultaneous Synthesis of Single-walled Carbon Nanotubes and Graphene in a Magnetically-enhanced Arc Plasma
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Cited by 6 •
2012
Anodic arc discharge is one of the most practical and efficient methods to synthesize various carbon nanostructures. To increase the arc controllability and flexibility, a non-uniform magnetic field was introduced to process the one-step synthesis of large-scale graphene flakes and high-purity single-walled carbon nanotubes.
11:58
Synthesis and Functionalization of Nitrogen-doped Carbon Nanotube Cups with Gold Nanoparticles as Cork Stoppers
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Cited by 10 •
2013
We discussed the synthesis of individual graphitic nanocups using a series of techniques including chemical vapor deposition, acid oxidation and probe-tip sonication. By citrate reduction of HAuCl4, the graphitic nanocups were effectively corked with gold nanoparticles due to the chemically reactive edges of the cups.
06:26
Pulling Membrane Nanotubes from Giant Unilamellar Vesicles
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Cited by 42 •
2017
Many proteins in the cell sense and induce membrane curvature. We describe a method to pull membrane nanotubes from lipid vesicles to study the interaction of proteins or any curvature-active molecule with curved membranes in vitro.
FAQs
Metal nanoparticles act as catalytic growth sites: they decompose a carbon-containing precursor, after which carbon precipitates and forms tubular walls. Their composition helps determine how this precipitation proceeds, linking catalyst chemistry to nanotube diameter, length, alignment, and defect density. This relationship makes catalyst selection central to controlling the final nanostructure.
Temperature, pressure, catalyst composition, and precursor flow are the main synthesis variables identified for controlling nanotube outcomes. Adjusting them can change dimensions, morphology, alignment, and the number of structural defects. Systematic control of these conditions is important because changes in the chemical environment can produce different nanotube characteristics from one synthesis to another.
All three methods are described as routes that generate reactive carbon species for carbon nanotube growth. The supplied context specifically identifies catalytic processes within this group as using metal nanoparticles to decompose a carbon-containing precursor and guide carbon precipitation. It does not provide enough detail to rank the methods by efficiency, product purity, or scalability.
A catalytic sequence begins with a carbon-containing precursor and metal nanoparticles. The nanoparticles decompose the precursor, producing conditions in which carbon precipitates into tubular walls. Researchers then regulate temperature, pressure, catalyst composition, and precursor flow to influence diameter, length, alignment, and defect density. These controls support more reproducible synthesis outcomes.
The process can be adjusted to target controlled dimensions, composition, and morphology, including nanotube diameter and length. It can also influence alignment and defect density, which are important structural descriptors. Matching these characteristics to a study's intended use helps connect chemical processing conditions with applications in molecular electronics, composite materials, energy storage, sensing, or catalysis.
Reproducibility matters because nanotube properties depend on synthesis conditions, and those properties determine whether the material is suitable for a particular research application. Consistent control supports consistent material characteristics and is also necessary for scalable manufacturing. This concern spans molecular electronics, composite materials, energy storage, sensing, and catalysis, where controlled nanotube properties are central to research use.