Carbon nanotubes (CNTs) come in a variety of diameters, lengths, and functional group content. CNTs today are available for industrial applications in bulk quantities of metric ton quantities. Several CNT manufacturers have >100 ton per year production capacity for multi walled nanotubes.
A nanotube may consist of one tube of graphite, a one-atom thick single-wall nanotube, or a number of concentric tubes called multiwalled nanotubes. When viewed with a transmission electron microscope these tubes appear as planes. Whereas single walled nanotubes appear as two planes, in multi walled nanotubes more than two planes are observed, and can be seen as a series of parallel lines. There are different types of CNTs, because the graphitic sheets can be rolled in different ways. The three types of CNTs are Zigzag, Armchair, and Chiral. It is possible to recognize zigzag, armchair, and chiral CNTs just by following the pattern across the diameter of the tubes, and analyzing their cross-sectional structure.
Multi walled nanotubes can come in an even more complex array of forms, because each concentric single-walled nanotube can have different structures, and hence there are a variety of sequential arrangements. The simplest sequence is when concentric layers are identical but different in diameter. However, mixed variants are possible, consisting of two or more types of concentric CNTs arranged in different orders. These can have either regular layering or random layering. The structure of the nanotube influences its properties - including electrical and thermal conductivity, density, and lattice structure. Both type and diameter are important. The wider the diameter of the nanotube, the more it behaves like graphite. The narrower the diameter of the nanotube, the more its intrinsic properties depends upon its specific type.
Here is an overview of the most important and largest manufacturers and suppliers of carbon nanotubes (in alphabetical order). For individual carbon nanotube product details, please check out our Nanomaterial Database.
Adnano Technologies is a supplier of various forms of graphene and multiwalled carbon nanotubes. They also provide analytical services like FESEM, TEM, AFM, FTIR, XRD, XPS, Contact Angle, BET, Zeta sizer and Master sizer.
Arknano is committed to the research and development of Medicinal Chemistry and Material Chemistry. The company's main research fields are: The synthesis and applications of carbon nanotubes; custom synthesis and structure modification of pharmaceutical intermediates; the design of molecular drugs.
The company specializes in analytical characterization, consultancy, and synthesis of nanomaterials serving to nanotechnology-based industries, universities and institutes. They also manufacture carbon nanotubes, graphene, and various nanoparticles.
The company acquired substantially all of the assets of SouthWest NanoTechnologies (SWeNT) and has reopened the state-of-the-art Carbon Nanotube (CNT) plant in Norman, Oklahoma. They manufacture high-quality single-wall and few-wall CNT materials made using the patented CoMoCAT™ process under an exclusive license with the University of Oklahoma.
ONEX Global Nanotechnologies S.A. (Glonatech) is a nanotechnology company offering nanoscience and nanotechnology solutions, products & services to global product manufacturers. The company also is a manufacturer of carbon nanotubes.
Hubron is an independent distributor of technically relevant speciality and functional raw materials to industries that formulate. The industries that they currently serve include rubber & plastics; adhesives & sealants; coatings & inks; structural composites; polyurethane; lubricants and certain parts of the healthcare and cosmetic markets.
Klean Carbon is a one-stop-shop for high grade sustainable carbon based commodities. The company producs high-grade carbon black and nano-carbon black commodities with the smallest emissions footprint.
Quantum Corporation (QCorp) is the parent company of group of companies, head quartered in Bangalore, India. QCorp was established in 2007 with a vision to create world class Nanomaterials and Nanocomposites with strong Intellectual Property that are changing the properties of products across the globe. QCorp has developed high quality Smart Polymers, Nanomaterials and Nanocomposites as core materials for manufacturers in Telecommunications, Electronics, Drug Delivery, Conductive films, Lighting and Energy industries - without the need to change their existing processes.
Reade Advanced Materials is a global distributor and value add toll chemical processor / packager of higher technology specialty chemical solids (metal, non-metallic minerals, ceramic, composite, conductive, magnetic, nanomaterial, powder, fibers, abrasives, sheet, rod, additives, fillers & reinforcements) with 3 customer care facilities in The Americas.
SES Research is the first manufacturer to provide commercial quantities of Carbon Nano materials. SES Research has been providing high quality Carbon Nano materials to the research community for over two decades. With orders as small as 100 milligrams and as large as 5 kilograms, SES Research is the largest supplier of Carbon Nano materials, often supplying other fullerene suppliers with their raw materials.
The company is a manufacturer and supplier of about 3500 Laboratory Chemical and Allied Products. They specialize in Molecular Biology Reagents, Biochemicals, Enzymes, Nanopowders and Carbon Nanotubes, Organic & Inorganic Intermediates, High Purity Solvents, Culture Media & BioLit™ DNA & Protein Tools for PCR and regular Molecular Biology.
By establishing its distribution centre in Belgium, Tokyo Chemical Industry is able to meet European customers' needs more quickly with lower delivery cost. Tokyo Chemical Industry has more than a fifty-year history as a manufacturer of laboratory chemicals. It handles more than 18,000 chemicals mainly organic, which are widely used from university laboratories to corporate research facilities.
R&D company which develops new materials (polymers, carbons and ceramics), catalytic and sorbent-based chemical processes and military and aerospace components. Materials include fullerenes and carbon nanotubes. TDA is developing an exciting new class of nanomaterials, the metal-carbon nanoencapsulates, for use in medial and electronics applications.
An established supplier of carbon nanotubes with a reputation for quality and reliability. Supplies multi-kg quantities of few layer graphene nanoplatelets and also non-carbon 2D materials such as boron nitride and molybdenum disulphide.
In late 2015, Zeon Corporation completed and begun operation of the world's first mass production plant for carbon nanotubes using the Super-growth method developed by the National Institute of Advanced Industrial Science and Technology.
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