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901082 Sigma-Aldrich

Carbon nanotube sheet

aligned, size × thickness 100 mm × 100 mm × 1-5 μm

Synonym: MWCNT, MWNT, Multiwall carbon nanotube



Related Categories Carbon Nanomaterials, Carbon Nanotubes, Materials Science, Multi-Walled Carbon Nanotubes, Nanomaterials More...
Quality Level   100
assay   >95% (carbon)
resistivity   10-1000 Ω/sq
size × thickness   100 mm × 100 mm × 1-5 μm
diameter   10-40 nm (carbon nanotubes)


General description

Multi-walled carbon nanotubes are aligned in a direction. The CNTs are just connected with van der Waals forces, and no binder material is used. The sheet shows high anisotropic transport properties, including electrical conductivity and thermal conductivity.
CNT has a multi-walled structure. 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 CNT is ∼3, showing high crystal quality. The high crystallinity is supported by transmission electron microscopy.

Preparation Note

Chemical Vapor Deposition (CVD) method.

Safety & Documentation

Safety Information

GHS07  GHS07
Signal word 
Hazard statements 
Precautionary statements 
Target organs 
Respiratory system
NONH for all modes of transport
WGK Germany 
Flash Point(F) 
Not applicable
Flash Point(C) 
Not applicable


Certificate of Analysis (COA)

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Protocols & Articles


Drawable Carbon Nanotube Array for High-Performance Artificial Muscles and Energy Harvester

A drawable Carbon Nanotube (CNT) array is a special type of CNT forest, in which individual nanotubes are aligned and grown vertically on a substrate through a chemical vapor deposition (CVD) process...
Na Li, Ph.D.
Global Product Manager for Electronic Materials
Keywords: Absorption, Chemical vapor deposition, Degradations, Deposition, Environmental, Nanotubes

Organic Bioelectronic Materials and Devices for Bridging Biology and Traditional Electronics

1 Department of Biomedical Engineering, Northwestern University, Evanston, IL 60208, USA 2 Simpson Querrey Institute for BioNanotechnology, Northwestern University, Chicago, IL 60611, USA 3 Departmen...
Keywords: Adhesion, Amplification, Bacterial conjugations, C-C bond formation, Coupling reactions, Diffusion, Electronics, Microelectronics, Nanotubes, Neurotransmitters, Polymerization reactions, Reductions, Semiconductor, Solvents, Transduction

Synthesis and Applications of Graphene Nanoribbons Synthesized

1 Department of Chemistry, 2 Smalley-Curl Institute and The NanoCarbon Center, 3 Department of Materials Science and NanoEngineering, Rice University, 6100 Main Street MS 222, Houston, Texas 77005, U...
Keywords: Building blocks, Capillary electrophoresis, Mass spectrometry, Materials Science, Nanotubes, Nucleic acid hybridization, Oxidations, Phase transitions, Polymerization reactions, Sequencing, Solvents

Peer-Reviewed Papers


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