Purified Multi Walled Carbon Nanotubes, MWNTs and Their Properties from Cheap Tubes

:: AZoNanotechnology Article


Topics Covered

Background
CCVD MWNT Key Benefits
MWNTs <8nm od
MWNTs 8-15nm od
MWNTs 10-20nm od
MWNTs 20-30nm od
MWNTs 20-40nm od
MWNTs 30-50nm od
MWNTs >50nm od

Background

Cheap Tubes Inc. is the source for high quality, low cost Multi Walled Carbon Nanotubes (MWNTs). Our Purified Multi Walled Carbon Nanotubes (MWNTs) are produced by Catalyzed Chemical Vapor Deposition.

CCVD MWNT Key Benefits

The key benefits of MWNTs produced by Catalyzed Chemical Vapor Deposition (CCVD) include:

  • CCVD Fabrication means high purity, low cost
  • Available in metric ton quantities
  • Suitable for a wide variety of applications

MWNTs <8nm od

MWNTs Outer Diameter

<8nm

MWNTs Inside Diameter

2-5nm

MWNTs Ash

<1.5 wt%

MWNTs Purity

>95 wt%

MWNTs Length

10-30µm

MWNTs Specific Surface Area

500 m2/g

MWNTs Electrical Conductivity

>10-2 S/cm

Figure 1. A TEM image of our MWNTs 95wt% <8nm OD

Figure 2. MWNTs <8nm Raman Spectra & Elemental Analysis

Multi-Walled Carbon Nanotube (MWNT), 95wt%

Outside diameter: ≤8 nm

Inside diameter: 2-5 nm

Length: 10-30 µm

Components

Contents (%)

C

97.44

Al

0.19

Cl

1.03

Co

1.10

S

0.24

Analysis Method: Energy Dispersive X-ray Spectroscopy

MWNTs 8-15nm od

MWNTs Outer Diameter

8-15nm

MWNTs Inside Diameter

3-5nm

MWNTs Ash

<1.5 wt%

MWNTs Purity

>95 wt%

MWNTs Length

10-50µm

MWNTs Specific Surface Area

233 m2/g

MWNTs Electrical Conductivity

>10-2 S/cm

Figure 3. A TEM image of our MWNTs 95wt% 8-15nm OD

Figure 4. MWNTs 8-15nm Raman Spectra & Elemental Analysis

Multi-Walled Carbon Nanotube (MWNT), 95wt%

Outside diameter: 8-15 nm

Inside diameter: 3-5 nm

Length: 10-50 µm

Components

Contents (%)

C

99.76

Al

0.03

Cl

0.09

S

0.12

Analysis Method: Energy Dispersive X-ray Spectroscopy

MWNTs 10-20nm od

MWNTs Outer Diameter

10-20nm

MWNTs Inside Diameter

3-5nm

MWNTs Ash

<1.5 wt%

MWNTs Purity

>95 wt%

MWNTs Length

10-30µm

MWNTs Specific Surface Area

233 m2/g

MWNTs Electrical Conductivity

>10-2 S/cm

Figure 5. A TEM Image of our MWNTS 95wt% 10-20nm OD

Figure 6. MWNTs 10-20nm Raman Spectra & Elemental Analysis

Multi-Walled Carbon Nanotube (MWNT), 95wt%

Outside diameter: 10-20 nm

Inside diameter: 5-10 nm

Length: 10-30 µm

Components

Contents (%)

C

99.8

Cl

0.2

Analysis Method: Energy Dispersive X-ray Spectroscopy

MWNTs 20-30nm od

MWNTs Outer Diameter

20-30nm

MWNTs Inside Diameter

5-10nm

MWNTs Ash

<1.5 wt%

MWNTs Purity

>95 wt%

MWNTs Length

10-30µm

MWNTs Specific Surface Area

110 m2/g

MWNTs Electrical Conductivity

>10-2 S/cm

Figure 7. A TEM image of our MWNTs 95wt% 20-30nm OD

Figure 8. MWNTs 20-30nm Raman Spectra & Elemental Analysis

Multi-Walled Carbon Nanotube (MWNT), 95wt%

Outside diameter: 20-30 nm

Inside diameter: 5-10 nm

Length: 10-30 µm

Components

Contents (%)

C

98.35

Cl

0.45

Fe

0.26

Ni

0.94

Analysis Method: Energy Dispersive X-ray Spectroscopy

MWNTs 20-40nm od

MWNTs Outer Diameter

20-40nm

MWNTs Inside Diameter

5-10nm

MWNTs Ash

<1.5 wt%

MWNTs Purity

>95 wt%

MWNTs Length

10-30µm

MWNTs Specific Surface Area

110 m2/g

MWNTs Electrical Conductivity

>10-2 S/cm

Figure 9. A TEM image of our MWNTs 95wt% 20-40nm OD

Figure 10. MWNTs 20-40nm Raman Spectra & Elemental Analysis

Multi-Walled Carbon Nanotube (MWNT), 95wt%

Outside diameter: 20-40 nm

Inside diameter: 5-10 nm

Length: 10-30 µm

Components

Contents (%)

C

98.35

Cl

0.45

Fe

0.23

Ni

0.93

Analysis Method: Energy Dispersive X-ray Spectroscopy

MWNTs 30-50nm od

MWNTs Outer Diameter

30-50nm

MWNTs Inside Diameter

5-10nm

MWNTs Ash

<1.5 wt%

MWNTs Purity

>95 wt%

MWNTs Length

10-20µm

MWNTs Specific Surface Area

60 m2/g

MWNTs Electrical Conductivity

>10-2 S/cm

Figure 11. A TEM image of our MWNTs 95wt% 30-50nm OD

Figure 12. MWNTs 30-50nm Raman Spectra & Elemental Analysis

Multi-Walled Carbon Nanotube (MWNT), 95wt%

Outside diameter: 30-50 nm

Inside diameter: 5-15 nm

Length: 10-20 µm

Components

Contents (%)

C

97.34

Cl

0.21

Fe

0.56

Ni

1.87

S

0.02

Analysis Method: Energy Dispersive X-ray Spectroscopy

MWNTs >50nm od

MWNTs Outer Diameter

50-80nm

MWNTs Inside Diameter

5-10nm

MWNTs Ash

<1.5 wt%

MWNTs Purity

>95 wt%

MWNTs Length

10-20µm

MWNTs Specific Surface Area

60 m2/g

MWNTs Electrical Conductivity

>10-2 S/cm

Figure 13. A TEM image of our MWNTs 95wt% >50nm OD

Figure 14. MWNTs >50nm Raman Spectra & Elemental Analysis

Multi-Walled Carbon Nanotube (MWNT), 95wt%

Outside diameter: 50-80 nm

Inside diameter: 5-15 nm

Length: 10-20 µm

Components

Contents (%)

C

97.32

Cl

0.21

Fe

0.56

Ni

1.88

S

0.03

Analysis Method: Energy Dispersive X-ray Spectroscopy

Source: Cheap Tubes Inc.
For more information on this source please visit Cheap Tubes.

Date Added: May 27, 2008
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