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687812 Aldrich

Carbon nanotube array, multi-walled

vertically aligned on copper wafer substrate

Synonym: CNT array, MWCNT array



Related Categories 3D Printing Materials for Research and Development, Carbon Nanomaterials, Carbon Nanotubes, Materials Science, Multi-Walled Carbon Nanotubes,
material   copper (wafer)
assay   >99.9% carbon basis
form   (1cm X 1cm X 0.05cm high conductivity low-oxygen copper substrate)
composition   Carbon, >99.9% (structured (sp2) carbon. <0.1% amorphous (sp3) carbon.)
diam. × L   100 nm × 30 μm , ±10%
surface coverage   surface coverage ~2 × 109 CNT/cm2 ~20/μm2



High quality CNT arrays suitable for nanoelectronics

Features and Benefits

Each MWCNT is tipped with nickel-carbide particle with diameter equal to diameter of the nanotube.


Packaged in Vacuum Release (VR) Trays. See Technical bulletin AL-237.

Preparation Note

Plasma-Enhanced Chemical Vapor Deposition (PECVD) Method

General description

Multi walled carbon nanotubes (MWNTs, CNTs) was prepared by plasma enhanced chemical vapor deposition (PECVD). The CNTs formed can be formed in bundles over a catalyst support or in patterns over substrates.1 Each MWCNT is tipped with nickel-catalyst particles with diameters equal to the diameter of the nanotube.

Legal Information

Vacuum Release is a trademark of Gel-Pak

Safety & Documentation

Safety Information

Signal word 
Hazard statements 
Precautionary statements 
Personal Protective Equipment 
UN 3077 9 / PGIII
WGK Germany 
Protocols & Articles


3D Printing of Carbon Fiber-Reinforced Composites

3D printing is a type of additive manufacturing that can be used to rapidly fabricate components with highly customizable geometries, most typically using a layer-by-layer fabrication process. 3D pri...
Zhenyu Bo* (Ph.D Candidate at Northwestern University) and Jia Choi*, PhD, Product Manager

*Materials Science Product Management Team, MilliporeSigma, Milwaukee, WI.
Keywords: Deposition, Nanomaterials, Nanotubes

Aligned Multi-Walled Carbon Nanotubes for High-Sensitivity Gas Sensors

Dr. Karl Gross, of Hy-Energy LLC, kindly suggested that high-quality carbon nanotube arrays are needed for research and development of high-sensitivity gas sensors. We are pleased to offer highly ali...
Joe Porwoll
Material Matters 2007, 2.4, 3.
Keywords: Adsorption, Catalog, Chemical vapor deposition, Material Matters, Nanotubes, Semiconductor

Graphene Nanoribbons: Production and Applications

Ayrat M. Dimiev1 and James M. Tour2 1EMD Performance Materials Corp., 70 Meister Ave, Somerville, NJ 08876 USA 2Departments of Chemistry, Materials Science and NanoEngineering, and Computer Science, ...
Keywords: Alkylations, Cyclizations, Mass spectrometry, Materials Science, Nanotubes, Organic synthesis, Polymerization reactions, Raman spectroscopy, Separation, Solvents, Sonication, Spectroscopy

Graphene-Based Transparent Conductive Electrodes

Kehan Yu1 and Junhong Chen2* 1Department of Chemical Engineering Case Western Reserve University Cleveland, Ohio 44106 2Department of Mechanical Engineering University of Wisconsin-Milwaukee, Milwauk...
Keywords: Catalysis, Centrifugation, Chemical vapor deposition, Deposition, Electronics, Microelectronics, Nanomaterials, Nanotubes, Oxidations, PAGE, Positron Emission Tomography, Purification, Raman spectroscopy, Reductions, Semiconductor, Solar cells, Solvents, Sonication, Spectroscopy

Single Walled Carbon Nanotubes

Richard Jansen and Philip Wallis* SouthWest NanoTechnologies, Inc. 2501 Technology Place Norman, OK 73071 *Email: pwallis@swentnano.com
Keywords: Absorption, Catalysis, Centrifugation, Chemical vapor deposition, Diffraction, Indicators, Infrared spectroscopy, Nanotubes, Oxidations, Purification, Raman spectroscopy, Semiconductor, Solar cells, Sonication, Spectroscopy, Ultraviolet-Visible spectroscopy, X-Ray diffraction

Sorting Carbon Nanotubes and Their Biological Applications

Hyunkyu Oh and Sang-Yong Ju* Department of Chemistry, Yonsei University Seoul 120-749, Korea *Correspondence Email: syju@yonsei.ac.kr
Keywords: Absorption, Adsorption, Asymmetric synthesis, Cancer, Carboxylations, Chromatography, Electrophoresis, Filtration, Inflammation, Infrared spectroscopy, Ion Exchange, Ion exchange resins, Ligands, Materials Science, Nanomaterials, Nanotubes, Oxidations, Semiconductor, Separation, Titrations


Carbon Nanotube Array Preparation Procedure

Each Carbon Nanotube (CNT) Array is packaged in a Vacuum ReleaseTM (VR) Tray. The VR Tray holds the array securely in place during shipping or handling, offering the ability to release the array on d...
Keywords: Nanotubes

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