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"World's fastest electrodes" triple the density of …

The growth rate for vertically aligned carbon nanotubes is known as being very, very fast. We can grow vertically aligned nanotubes up to, let's say, 100 microns per minute. It needs only one ...

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[1903.06063] Macroscopically Aligned Carbon …

2019-3-14 · Refractory nanophotonics, or nanophotonics at high temperatures, can revolutionize many applications, including data storage and waste heat recovery. In particular, nanophotonic devices made from hyperbolic materials are promising due to their nearly infinite photonic density of states (PDOS). However, it is challenging to achieve a prominent PDOS in existing refractory hyperbolic materials ...

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[1903.06063] Macroscopically Aligned Carbon …

2019-3-14 · Refractory nanophotonics, or nanophotonics at high temperatures, can revolutionize many applications, including data storage and waste heat recovery. In particular, nanophotonic devices made from hyperbolic materials are promising due to their nearly infinite photonic density of states (PDOS). However, it is challenging to achieve a prominent PDOS in existing refractory hyperbolic materials ...

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Super-aligned carbon nanotubes — From growth …

Super-aligned carbon nanotubes — From growth mechanism to loudspeakers Abstract: Super-aligned carbon nanotube (CNT) arrays are distinguished from normal vertically-aligned CNT arrays by their ?super-aligned? nature, i.e., the CNTs in super-aligned arrays have a much better alignment than those in ordinary arrays.

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Gas sensing with gold-decorated vertically aligned …

Vertically aligned carbon nanotubes of different lengths (150, 300, 500 µm) synthesized by thermal chemical vapor deposition and decorated with gold nanoparticles were investigated as gas sensitive materials for detecting nitrogen dioxide (NO 2) at room temperature.Gold nanoparticles of about 6 nm in diameter were sputtered on the top surface of the carbon nanotube forests to enhance the ...

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Buy Carbon Nanotubes Online | Applications Of …

Mk Nano is a one stop solution for all your carbon nanotubes needs. We have a range of single- wall, double-wall, multi-wall, graphitized multi -wall, industrial grade multi- wall nanotubes, special multi-wall nanotubes and vertically aligned carbon nanotubes of supreme quality. Check out the detail list of products under the carbon nanotubes tab.

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Carbon nanotube array, multi-walled vertically aligned …

Multi-walled carbon nanotubes (MWCNT) are vertically aligned on a Si substrate. MWCNT is as long as millimetre scale. Crystal quality of CNT is examined by Raman scattering measurement. Intensity ratio of G-peak (1580 cm-1) and D-peak (1350 cm-1) represents quality of graphitization of carbon materials. G/D of this CNT is ~3, showing high ...

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Carbon nanotube array, multi-walled vertically aligned …

Multi-walled carbon nanotubes (MWCNT) are vertically aligned on a Si substrate. MWCNT is as long as millimetre scale. Crystal quality of CNT is examined by Raman scattering measurement. Intensity ratio of G-peak (1580 cm-1) and D-peak (1350 cm-1) represents quality of graphitization of carbon materials. G/D of this CNT is ~3, showing high ...

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Macroscopically aligned carbon nanotubes for flexible …

2019-12-3 · Macroscopically aligned carbon nanotubes for flexible and high-temperature electronics, optoelectronics, and thermoelectrics. Weilu Gao 1, Natsumi Komatsu 1, Lauren W Taylor 2, Gururaj V Naik 1, Kazuhiro Yanagi 3, Matteo Pasquali 2,4,5,6 and Junichiro Kono 1,5,6,7.

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Large Area-Aligned Arrays from Direct Deposition of …

2019-5-25 · Single-wall carbon nanotubes (SWNTs) are well dispersed in water using a polymer, polyvinylpyrrolidone (PVP), a surfactant, sodium dodecyl benzene sulfonate (SDBS), and brief low-power sonication. The concentration of these pristine SWNT dispersions are quite high, approaching 1 g/L, and remain stable over several months. These suspensions can be used as a printable conductive …

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Temperature-dependent gas transport performance …

A novel composite membrane consisting of vertically aligned carbon nanotubes (CNTs) and parylene was successfully fabricated. Seamless filling of the spaces in CNT forests with parylene was achieved by a low-pressure chemical vapor deposition (CVD) technique and followed with the Ar/O2plasma etching to expose CNT tips.

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Aligned carbon nanotubes as polarization-sensitive ...

2009-2-24 · Here, we use aligned single-wall carbon nanotubes as polarization-sensitive molecular scale probes to image the transverse near-field components of an optical Hertzian dipole antenna. Because of the Raman “antenna effect” in carbon nanotubes, only …

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Aligned carbon nanotubes as polarization-sensitive ...

2009-2-24 · Here, we use aligned single-wall carbon nanotubes as polarization-sensitive molecular scale probes to image the transverse near-field components of an optical Hertzian dipole antenna. Because of the Raman “antenna effect” in carbon nanotubes, only …

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Aligned Carbon Nanotubes Array by DC Glow Plasma …

To open the end of carbon nanotubes and make these ends connect with functional carboxyl group, aligned carbon nanotubes (CNTs) arrays was etched by DC glow oxygen-argon plasma. With these open-ended carbon nanotubes array as electrode materials to build supercapacitor, we found that the capacity (32.2 F/g) increased significantly than that of pure carbon nanotubes (6.7 F/g).

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Aligned Carbon Nanotubes | SpringerLink

It focuses on the structural characterization of various carbon nanotubes, fabrication of vertically or parallel aligned carbon nanotubes on substrates or in composites, physical properties for their alignment, and applications of aligned carbon nanotubes in field emission, optical antennas, light transmission, solar cells, chemical devices ...

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Aligned carbon nanotubes - Fraunhofer IKTS

In the second case it is the aim to manufacture vertically aligned carbon nanotubes. At Fraunhofer IKTS vertically aligned layers of multi-walled carbon nanotubes (MWCNT) as well as single-walled carbon nanotubes (SWCNT) are deposited on different substrates. Two …

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Aligned Carbon Nanotube Arrays and Forests on …

2011-11-1 · In structure, PECVD aligned carbon nanotubes have multilayer graphitic sidewalls and hollow core . The graphitic sidewalls contain bamboo structures . All nanotube tips are capped with a single nickel nanoparticle, a result of a tip-growth mechanism of aligned carbon nanotubes . Thermal CVD Details: In TCVD forests and arrays, the nanotubes are ...

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Controlled Growth of Super-Aligned Carbon …

2019-5-26 · We report controlled syntheses of super-aligned carbon nanotube (CNT) arrays with the desired tube-diameter, number of walls, and length for spinning continuous unidirectional sheets to meet a variety of industrial demands. The tube-diameter distribution of super-aligned arrays is well controlled by varying the thicknesses of catalyst films, and the length of them is tuned by the growth time ...

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Aligned Carbon Nanotube Arrays and Forests on …

2011-11-1 · In structure, PECVD aligned carbon nanotubes have multilayer graphitic sidewalls and hollow core . The graphitic sidewalls contain bamboo structures . All nanotube tips are capped with a single nickel nanoparticle, a result of a tip-growth mechanism of aligned carbon nanotubes . Thermal CVD Details: In TCVD forests and arrays, the nanotubes are ...

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Aligned Carbon - Crunchbase Company Profile & …

Aligned Carbon is a supplier of aligned carbon nanotubes, enabling 1000x improvement in computing. It has provided its product of wafer-scale aligned carbon nanotube arrays to more than a dozen university research groups and industrial research labs. Aligned Carbon was formed in early 2018 by three friends and labmates from Stanford University.

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Aligned Carbon - Crunchbase Company Profile & …

Aligned Carbon is a supplier of aligned carbon nanotubes, enabling 1000x improvement in computing. It has provided its product of wafer-scale aligned carbon nanotube arrays to more than a dozen university research groups and industrial research labs. Aligned Carbon was formed in early 2018 by three friends and labmates from Stanford University.