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Polarization Dependence of the Optical Absorption of ...

Single-walled carbon nanotubes (SWCNTs) are hollow, long cylinders with extremely large aspect ratios, made of one atomic sheet of carbon atoms in a honeycomb lattice. They possess extraordinary ...

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Effects of functionalized and nonfunctionalized single ...

Single‐walled carbon nanotubes have many potential beneficial uses, with additional applications constantly being investigated. Their unique properties, however, create a potential concern regarding toxicity, not only in humans and animals but also in plants. To help develop protocols to determine the effects of nanotubes on plants, we ...

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Direct imaging of single-walled carbon nanotubes in …

The development of single-walled carbon nanotubes for various biomedical applications is an area of great promise. However, the contradictory data on the toxic effects of single-walled carbon nanotubes highlight the need for alternative ways to study their uptake and cytotoxic effects in cells. Single-walled carbon nanotubes have been shown to be acutely toxic in a number of types of cells ...

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Synthesis of Single-Walled Carbon Nanotubes: Effects …

The effects of active metals, catalyst supports, and metal loading percentage on the formation of single-walled carbon nanotubes (SWNTs) were studied. In particular, iron, cobalt, and nickel were investigated for SWNTs synthesis. Iron was found to grow better-quality SWNTs compared to cobalt and nickel. To study the effect of catalyst supports, magnesium oxide, silicon oxide, and aluminium ...

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Magneto Spectroscopy of Single-Walled Carbon …

We obtained individual nanotubes, each encased in a cylindrical micelle, by ultrasonically agitating an aqueous dispersion of raw single-walled carbon nanotubes in sodium dodecyl sulfate and then ...

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Difference Between Single-Walled Carbon Nanotubes …

2daysbefore · Single-walled carbon nanotubes are composed of a single layer of graphene which forms a cylindrical shape. It observed as two planes under a transmission electron microscope. Multi-walled carbon nanotubes made of multiple layers of graphene, which formed in a concentric pattern around the smallest nanotube.

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Difference Between Single-Walled Carbon Nanotubes …

2daysbefore · Single-walled carbon nanotubes are composed of a single layer of graphene which forms a cylindrical shape. It observed as two planes under a transmission electron microscope. Multi-walled carbon nanotubes made of multiple layers of graphene, which formed in a concentric pattern around the smallest nanotube.

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Wafer-scale monodomain films of spontaneously …

Here, we show that large (>cm2) monodomain films of aligned single-walled carbon nanotubes can be prepared using slow vacuum filtration. The produced films are globally aligned within ±1.5° (a nematic order parameter of ∼1) and are highly packed, containing 1 × 106 nanotubes in a …

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Wafer-scale monodomain films of spontaneously …

The one-dimensional character of electrons, phonons and excitons in individual single-walled carbon nanotubes leads to extremely anisotropic electronic, thermal and optical properties. However, despite significant efforts to develop ways to produce large-scale architectures of aligned nanotubes, mac …

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Voltage-activated transport of ions through single …

Ionic transport through single-walled carbon nanotubes (SWCNTs) is promising for many applications but remains both experimentally challenging and highly debated. Here we report ionic current measurements through microfluidic devices containing one or several SWCNTs of diameter of 1.2 to 2 …

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Macrophage sensing of single-walled carbon …

2018-1-18 · Carbon-based nanomaterials including carbon nanotubes (CNTs) have been shown to trigger inflammation. However, how these materials are 'sensed' by immune cells is not known. Here we compared the effects of two carbon-based nanomaterials, single-walled CNTs (SWCNTs) and graphene oxide (GO), on primary human monocyte-derived macrophages.

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Macrophage sensing of single-walled carbon …

2018-1-18 · Carbon-based nanomaterials including carbon nanotubes (CNTs) have been shown to trigger inflammation. However, how these materials are 'sensed' by immune cells is not known. Here we compared the effects of two carbon-based nanomaterials, single-walled CNTs (SWCNTs) and graphene oxide (GO), on primary human monocyte-derived macrophages.

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CoMoCAT® Single-Walled Carbon Nanotubes

Single-walled carbon nanotubes have a diameter of about 1nm and the length is nearly million times longer.The wrapping of a single atom thickness graphite layer into a seamless cylinder forms a (Single-walled Carbon Nanotubes) SWCNT.

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Spatially resolved photoluminescence brightening in ...

Semiconducting single-walled carbon nanotubes (SWNTs) show near-infrared photoluminescence (PL) when they are individually isolated. This was an obstacle to use photonic properties of SWNTs on a solid surface. We show that SWNTs wrapped with DNA maintain intense PL under the dry conditions.

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Spatially resolved photoluminescence brightening in ...

Semiconducting single-walled carbon nanotubes (SWNTs) show near-infrared photoluminescence (PL) when they are individually isolated. This was an obstacle to use photonic properties of SWNTs on a solid surface. We show that SWNTs wrapped with DNA maintain intense PL under the dry conditions.

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Photoswitchable single-walled carbon nanotubes for …

Photoswitchable single-walled carbon nanotubes for super-resolution microscopy in the near-infrared. By Antoine G. Godin, Antonio Setaro, Morgane Gandil, Rainer Haag, Mohsen Adeli, Stephanie Reich, Laurent Cognet. Science Advances 27 Sep 2019: eaax1166 .

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Application Single Walled Carbon Nanotubes - …

Application Single Walled Carbon Nanotubes based polymer composites are finding applications to make various components of an automobile car including but not limited to: headlight mirror coatings, side trims, door inners, body panels, engine cover, inverter cover, timing belt cover and tyres. Carbon nanotubes based composites are finding use ...

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OSA | Tunable Ytterbium-Doped Mode-Locked Fiber …

2020-12-25 · A tunable mode-locked ytterbium-doped fiber laser with a tuning range of 55 nm is demonstrated in this paper. Currently, this is the widest tuning range for all-normal dispersion (ANDi) ytterbium-doped mode-locked fiber laser based on new-material saturable absorber (SA). The combined effects of the single-walled carbon nanotubes (SWCNTs) SA and a reflective grating significantly …