Multi Walled Carbon Nanotubes Defintion

Multi walled carbon nanotubes consist of multiple rolled layers (concentric tubes) of graphene like layers in a one dimensional format. Two main models can be used to describe the structures of multi-walled nanotubes. The Russian doll model consists of sheets of graphite arranged in concentric cylinders. In the Parchment model, a single sheet of graphite is rolled in around itself, resembling a scroll of parchment or a rolled newspaper. The interlayer distance in multi-walled nanotubes is close to the distance between graphene like layers, approximately 3.4 Å. The Russian Doll structure is observed more commonly. Typically, MWCNTs have outer diameters from 2-100nm and lengths from 0.5-50um although MWCNTs with lengths up to 1mm are available in array format.

Understanding Multi Walled Carbon Nanotubes: A Closer Look

In the vast universe of nanotechnology, your research might lead you to encounter the extraordinary multi walled carbon nanotubes. As their name suggests, these wonderous particles possess multiple layers of graphene like carbon that are meticulously rolled into a one-dimensional format.

Exploring the complex structure of multi-walled nanotubes, two predominant models come to the forefront: the Russian Doll model and the Parchment model.

The Russian Doll model pictures sheets of graphite stacked together as concentric cylinders, each nesting within the other just like the iconic Russian Matryoshka dolls. On the other hand, the Parchment model tells a different story – a tale where a single sheet of graphite wraps around itself, evoking the image of a meticulously rolled parchment or newspaper.

 

In these multi-walled nanotubes, the interlayer distance – that is, the gap between the graphene-like layers – is strikingly similar to the natural distance in graphite, approximately 3.4 Å. The Russian Doll structure is the more common of the two, often seen in the world of nanotechnology.

These cylindrical marvels typically exhibit outer diameters ranging from 2-100nm and lengths spanning from 0.5-50um. However, their versatility doesn’t end there. You can find multi-walled carbon nanotubes extending up to 1mm in array format, a testament to their wide-ranging potential.

So, as you embark on your research, consider the multi-walled carbon nanotube – a tool that encapsulates the innovative spirit of nanotechnology. Dive into its layers, explore its structures, and let it guide you to new horizons of discovery.

Characteristics of Multi Walled Carbon Nanotubes

Unraveling the unique properties of Multi Walled Carbon Nanotubes, we find variety and versatility. Each concentric nanotube within this multi-walled configuration can possess a distinct structure, leading to an intriguing mosaic of sequential arrangements.

The most fundamental sequence presents identical concentric layers differing only in diameter. Yet, the diversity does not stop there. Hybrid variants exist, showcasing an intricate blend of two or more types of concentric Carbon Nanotubes (CNTs) organized in distinct sequences. Whether it’s a regular or a more random layering, we have many options to explore.

In the world of nanotechnology, structure heavily influences properties. In the case of these Carbon Nanotubes, their characteristics such as electrical and thermal conductivity, density, and lattice structure are deeply intertwined with their design. Here, the type of CNT and its diameter play critical roles. As the diameter widens, the nanotube exhibits behaviors akin to graphite. Conversely, as the diameter narrows, the nanotube’s intrinsic properties become more sensitive to its specific type.

Multi Walled Carbon Nanotubes are prized for their all-carbon structure, diminutive geometries, and high aspect ratio. These qualities make them an excellent option for nanoscale additives, able to enhance mechanical properties along with electrical and thermal conductivity of the products they are incorporated into. Typical additions range around 2-5wt% loading ratios. For masterbatches, the loadings of Multi Walled Carbon Nanotubes often reach 10- 25%.

So, as you delve into the fascinating world of nanotechnology, remember that the Multi Walled Carbon Nanotubes are versatile and potent particles for improving your research and applications. Embrace the possibilities and let their unique properties drive your innovative endeavors.

Utilization of Multi Walled Carbon Nanotubes

MWCNTs are driving scientific progress. Their applications stretch across a multitude of domains. Among these, we find their presence in:

• Caulks and sealants, where their unique properties can enhance barrier performance
• Advanced ceramics, adding strength and resilience
• Semiconducting materials, where they augment conductivity
• Drug delivery systems, thanks to their high surface area
• Membranes and filters, where their small size and high aspect ratio can make a difference
• Medical implants, enhancing biocompatibility and strength
• Batteries anodes and cathodes, for higher capacity and durability
• Sporting goods like tennis rackets and bike rims, where they add lightweight strength
• Aerospace applications, where they provide lightweight durability
• Textiles and fibers, lending unique properties to fabrics
• Electromagnetic Shielding, due to their excellent conductive properties
• Petrochemical Catalysts, improving reaction efficiency
• Sensors and Instruments, for enhanced precision
• Conductive thin film coatings, where they provide uniform conductivity
• Conductive polymers & composites used in automobiles and electronics, for improved performance
• Paints, enhancing durability and adding unique properties

Have you ever wondered about the difference between single walled and multi walled carbon nanotubes?

A single-walled carbon nanotube, as its name suggests, consists of just one wall. These are typically fabricated via HIPCO or Arc methods. While SWCNTs offer superior properties they cost exponentially more.  On the other hand, multi-walled carbon nanotubes are essentially nanotubes nested within other nanotubes. These MWCNTs can display a fascinating array of different chiral structures within the same carbon nanotube.

As you move forward in your research and applications, consider the potential of MWCNTs to elevate your work to new heights. Let their versatility and range of applications inspire you to innovate. Harness the power of multi walled carbon nanotubes and let them propel your project to success.

Multi Walled Carbon Nanotubes SDS

Please see our Multi Walled Carbon Nanotubes SDS

Publications using Multi Walled Carbon Nanotubes from Cheap Tubes Inc

Natural Organic Matter (NOM) Adsorption to Multi-Walled Carbon Nanotubes: Effect of NOM Characteristics and Water Quality Parameters

Photo-catalyzed degradation of hazardous dye methyl orange by use of a composite catalyst consisting of multi-walled carbon nanotubes and titanium dioxide

Transport Behavior of Functionalized Multi-Wall Carbon Nanotubes in Water-Saturated Quartz Sand as a Function of Tube Length

Removal of bisphenol A from landfill leachate using single-walled carbon nanotubes

Hexavalent chromium removal by various adsorbents: Powdered activated carbon, chitosan, and single/multi-walled carbon nanotubes

Low-velocity impact of thin woven carbon fabric composites incorporating multi-walled carbon nanotubes

On the aspect ratio effect of multi-walled carbon nanotube reinforcements on the mechanical properties of cementitious nanocomposites

Conductive cable fibers with insulating surface prepared by co-axial electrospinning of multi-walled nanotubes and cellulose

Graphene versus Multi – Walled Carbon Nanotubes for Electrochemical Glucose Biosensing

Pricing of Multi Walled Carbon Nanotubes

The cost of multi walled carbon nanotubes largely hinges on its diameter, any post-production modifications such as functionalization or shortening, and the total volume of your purchase. As with many materials, purchasing in bulk leads to savings. You can easily find the pricing for our MWCNTs on our website. Simply click the “select options” button, which will direct you to the specific product page. Enter the quantity you desire and our system will dynamically adjust the price based on the quantity.

Concentric Multi Walled Carbon Nanotubes

Below is a representation of the atomic structure of concentric multi walled carbon nanotubes.

Diverse Structures of Multi Walled Carbon Nanotubes

We present a representation of the atomic arrangement of concentric multi walled carbon nanotubes for your understanding:

Alternatively, we have the Russian doll model of MWNTs, each demonstrating a unique atomic structure. This results in an array of sequential arrangements. The most straightforward sequence comprises concentric layers that are identical but vary in diameter. Mixed arrangements are also feasible, comprising two or more different types of concentric Carbon Nanotubes (CNTs) in diverse orders. These arrangements can either follow regular layering or exhibit random layering.

Understanding these diverse structures will help you select the most suitable MWNTs for your application. Make your selection today and let our high-quality multi walled carbon nanotubes lead the way to your research breakthroughs.