SKU: 94021652351

High Quality carbon nanotube 3-9nm

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Description

High Quality carbon nanotube 3-9nmProduct Name Name: High Quality carbon nanotube 3 9nm Product Overview Multi walled carbon nanotubes (MWCNTs) are important nanomaterials with unique structures and excellent properties. Multi walled carbon nanotubes are hollow tubules composed of multiple coaxial graphite cylindrical surfaces, and the spacing between adjacent cylindrical surfaces is comparable to the spacing of graphite layers. Multi walled carbon nanotubes can be seen as coaxially

Product Name

Name:High Quality carbon nanotube 3-9nm

Product Overview

Multi-walled carbon nanotubes (MWCNTs) are important nanomaterials with unique structures and excellent properties. Multi-walled carbon nanotubes are hollow tubules composed of multiple coaxial graphite cylindrical surfaces, and the spacing between adjacent cylindrical surfaces is comparable to the spacing of graphite layers. Multi-walled carbon nanotubes can be seen as coaxially nested with multiple single-walled carbon nanotubes of different diameters, with the number of layers ranging from 2 to 50, and the spacing between each layer is consistent, forming a cable-like multilayer structure. At present, the preparation methods of multi-walled carbon nanotubes mainly include arc discharge method, laser ablation method, chemical vapor deposition (CVD) method and flame method. Among them, the chemical vapor deposition method is widely used because of its simple equipment and high product purity.

Technical Parameter

Outside Diameter:3-9 nm

Length¡ãC0 μm

Ash content ¡ãC.5wt%  

Product Features

Excellent mechanical properties: with extremely high strength and toughness. Its theoretical strength can reach tens or even hundreds of times that of steel.

Excellent electrical performance: can exhibit good conductivity, depending on aspect ratio, structure, and preparation method.

Good thermal performance: high thermal conductivity, capable of effectively transferring heat.

Large specific surface area: This makes it potentially applicable in fields such as adsorption and catalysis.

Application Fields

Additives in polymers, catalysts, electron field emitters for cathode ray lighting components, gas discharge tubes in telecommunications networks, energy conversion, lithium battery anodes, hydrogen storage, nanotube composite materials (by filling or coating); Sensors, reinforcement in composite materials, supercapacitors, etc.

Related Information

Please e-mail for the detailed characterization data.

E-mail:[email protected]

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SKU: 94021652351

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4.4 ★★★★★
Based on 21 reviews
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KB
Draper, US
★★★★★ 5
A Multi-faceted, beautiful book for babies through primary grades.
Format: Hardcover
Our second generation is now loving this beautiful, clever, playful book. Although there are no words, the story line is a delight. A watercolored village develops one page to the next starting with 0 and ending with 12. The pictures add one item in each category for each new number, building on the previous scene. Readers can find and count buildings, children, adults, pine trees, cherry trees, and an assortment of animals. In addition, in a lovely subtle manner, the four northern hemisphere seasons pass from January to December. The details of adult and child activities through time and seasons can be noted. Anno's creativity in this genre is unsurpassed. For my children, and now for my grandson, this book evokes fascination on several levels both aesthetic and intellectual. Start using it as a baby word book, and it will last as a joy throughout early childhood. Not every baby book must be a board book. Teaching children to turn pages gently is easy to do and adds to the amazing, shared experience.
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Reviewed in the United States on February 22, 2015
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Verified Purchase
Chopper
Massapequa, US
★★★★★ 5
Gorgeous book!
Format: Hardcover
Read this over and over with my own children and they loved it. Buying for friends' children/grandchildren and they are loving it, too. Timeless, lots to capture kids' interest and counting. The suggested age is 3 and up, but we used it earlier than 3 years of age; it depends on the child. We're buying them now for newborns figuring they'll "grow into it."
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Reviewed in the United States on September 16, 2021
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Verified Purchase
Dan
Lake Worth, US
★★★★★ 4
A truly original concept picture book. Unlike most counting ...
Format: Hardcover
A truly original concept picture book. Unlike most counting concept books that only show one item type (like 2 balls on the page about 2) this book has many items to count on each number page (3 trees, 3 trains, 3 cows, etc, on the pages about the number 3). You have to search around to find each of the items because the author moves the items around each time. :) Yes, it's not as flashy, but it's got what really counts!
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Reviewed in the United States on December 3, 2016
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Elisa's Mom
Los Angeles, US
★★★★★ 5
Excellent early math book
Format: Paperback
I found this book on a recommended Early Math reading list posted on the PBS Parents website. Since there are no words in this book, there is nothing to actually read to your child. But it is likely one of the longest 12 page books I've read. And it is by far the most significant number book my 3 year old has read. Anno uses a town to depict and define numbers 0-12, the seasons, and the months of the year. The seasons and months are recognizeable, but not the focus like the numbers are. For the number 0, you see a blank landscape with a small river. When the child turns the page, he sees a large number 1 on the right side of the book and in the landscape one lone building, one tree, one sun, one snowman.... There is also a set of blocks on the left side of the book, with one block colored in. Thus, the child can see the number 1 represented as a numeral, as a block (of a set of 10), and as an object (one building, one tree, one person). As you turn the pages and the numbers increase, a village forms. The final page is the number 12 -- a full village at Christmas time, complete with 12 reindeer in the sky. As a parent, I enjoy having my daughter "read" to me. But I am most amazed by how the book has helped her to grasp the concept of numbers. As she explained, "0, Mommy. Because there's nothing there."
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Reviewed in the United States on March 1, 2009
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Tenormary
Draper, US
★★★★★ 5
Great way to remove dry skin while not being abrasive
Style: Bath & Body
One side of the scrubber is a softer cloth, the other is a more abrasive cloth. There is a sponge divider between the two. This is great to use during the dry days of winter when my skin becomes dryer and more scaly. The soft side is for my face, of course. The ribbon band across the back lets me slide my hand in and get a bit more leverage and to hold on to the scrubber. Much kinder to my skin than a loofah. I wash the Scrubber with the towels so it is always clean.
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Reviewed in the United States on January 15, 2026

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