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Double Wall CNT

Stock No.
NS6130-06-699
CAS
308068-56-6
MSDS
MSDS-PDF
Specifications
SPEC-PDF
COA
COA-PDF
Catalogue

Double Walled Carbon Nanotubes

(Pure: 98%, Dia: 8-10nm, Avg Length: 20-30µm)
High Purity Double Walled Carbon Nanotubes
Available Pack Size: 10Gms, 25Gms, 50Gms, 100Gms, 250Gms, 500Gms, 1Kg & Bulk orders
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Product Double Walled Carbon Nanotubes
Stock NoNS6130-06-699
CAS308068-56-6Confirm
Diameter8-10nmConfirm
Length20-30μmConfirm
Purity98% (DWCNT)Confirm
Amorphous carbon<1%Confirm
Residue ( calcination in air)<1%Confirm
Average interlayer distance0.34nmConfirm
Special surface area90-350* m2/gConfirm
Bulk density0.05-0.17 g/cm3Confirm
Real density1-2 g/cm3Confirm
Charging *2180 (Capacity: mA h/g)Confirm
Discharging*534 (Capacity: mA h/g)Confirm
Volume Resistivity0.1-0.15 ohm.cm (measured at pressure in powder)Confirm
Quality ControlEach Lot of Double Wall Carbon Nanotubes was tested successfully
Main Inspect VerifierManager QC

Typical Chemical Analysis

MWCNT>99%
Amorphous Carbon<1%

Expert Reviews

product-expert-image
Dr. Ms. Kelley Johnson, Ph.D (Adam Mickiewicz University in Poznań, Poland)

Double-walled carbon nanotubes are coaxial nanostructures composed of exactly two single-walled carbon nanotubes, one nested in another. This double-wall structure makes DWNTs the simplest system for studying the effects of inter-wall coupling on the physical properties of carbon nanotubes (CNTs). Compared to single-walled carbon nanotubes (SWNTs), DWNTs have higher mechanical strength and thermal stability and they also possess interesting electronic and optical properties.

product-expert-image
Dr. Richard Harper, Ph.D (National Polytechnic Institute (IPN), Mexico)

DWNTS are used in applications such as: Field effect transistors, mass sensors, ultra-fast optical switches, nanomotor/nanobearing, capacitors, solar cells etc. DWNTS exhibit higher stability, which can be a substantial help in high-current and high-field experiments as, e.g., in field emission applications.

product-expert-image
Dr. Steve Chesney, Ph.D (Ludwig Maximilian University of Munich,Germany)

Double wall carbon nanotubes have been considered as potential candidate for ultra-high frequency oscillator. The DWCNTs are separated into four categories wherein the inner–outer nanotubes are metal–metal, metal–semiconductor, semiconductor–metal and semiconductor– semiconductor single-wall nanotubes.

product-expert-image
Dr. Ms. Mia Liao (National Taipei University of Technology, Taiwan)

The band structure of a DWCNT depends on the combination of the configurations of the inner and outer tubes and their stability depends only on their inter layer spacing. The presence of a shielding outer wall is especially appealing for chemical and biological sensors, as it allows for chemical modification of the outer shell while maintaining the electrical properties of the inner pristine core.

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Double Wall Carbon Nanotubes

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Double Walled Carbon Nanotubes (Pure: 98%, Dia: 8-10nm, Avg Length: 20-30µm)

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