SKU: 84397176350

Multi-walled carbon nanotubes(short) 20-30 nm

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Description

Multi-walled carbon nanotubes(short) 20-30 nmProduct Name NameMWNTs(short) 20 30 nm Product Overview Carbon nanotubes are simple substances composed of carbon atoms and can be regarded as hollow tubular structures formed by the curling of graphene. On the surface of carbon nanotubes, the carbon atoms are bonded to each other in the form of sp2 hybrid orbitals, which are arranged as hexagonal graphite layers. In theory, this regular hexagonal structure is perfectly evenly distributed over the

Product Name

Name:MWNTs(short) 20-30 nm


Product Overview

Carbon nanotubes are simple substances composed of carbon atoms and can be regarded as hollow tubular structures formed by the curling of graphene. On the surface of carbon nanotubes, the carbon atoms are bonded to each other in the form of sp2 hybrid orbitals, which are arranged as hexagonal graphite layers. In theory, this regular hexagonal structure is perfectly evenly distributed over the entire surface of the carbon nanotubes. Topologically, the common structure and properties of graphene and carbon nanotubes are one of the important factors for their similarity. However, due to the curvature of the graphite layer in the carbon nanotubes, coupled with the defects that may occur during the growth process, the sp3 hybrid phenomenon may occur in the six-membered ring structure on the surface of the carbon nanotubes, resulting in the emergence of five-membered rings or seven-membered rings. Carbon nanotubes can be divided into single-walled carbon nanotubes, double-walled carbon nanotubes and multi-walled carbon nanotubes according to the graphite sheets with different number of layers.

There are many kinds of preparation processes and methods for carbon nanotubes, and carbon nanotubes with corresponding properties and structures can be prepared by different methods. At present, the main methods for preparing carbon nanotubes include graphite arc method, laser graphite evaporation method and chemical deposition method. Chemical deposition method has the advantage of large-scale production and is widely used at present.


Technical Parameter

 

Color:black

OD:0-30nm

ID:-10nm

Purity:gt;95%

Length:.5-2um

SSA:gt;110 m2/g

Tap density: 0.28 g/cm3

True density: ~2.1 g/cm3

EC:>100s/cm


Product characteristics

High purity: Most of the metal impurities are removed under high temperature treatment of the carbon tube.

It has good flexibility and elasticity and can withstand large deformation without breaking. For example, in some micro-mechanical parts, complex movements can be achieved using their flexibility.

Electrical properties:

It has good electrical conductivity, and the electrical conductivity can be close to copper.

Exhibit unique quantum conductivity properties. For example, in nanoelectronic devices, their conductance characteristics contribute to precise current control.

Thermal properties:

The thermal conductivity is very high and can effectively conduct heat.

Good thermal stability, can still maintain the stability of structure and performance in high temperature environment. This makes it a potential application in highly efficient cooling materials, such as the cooling components of high-power electronic devices.

Chemical properties:

High chemical stability, not easy to react in most chemical environments.

The surface can be chemically modified to meet different application requirements. For example, it can be better dispersed in certain solvents or substrates through chemical modifications.

Optical properties:

It has unique optical absorption and emission characteristics in the near infrared and visible regions.

It can be used to make optical sensors and light-emitting devices.


Application Fields

1. Composite material strengthening: multi-wall carbon nanotubes have high strength and toughness, adding them to plastics, rubber, metal and other substrates can significantly improve the mechanical properties of the material, such as strength, stiffness and so on. For example, the multistage structure obtained by grafting carbon nanotubes on the surface of carbon fiber can enhance the interfacial interaction with organic matrix and the mechanical properties of composite materials.

2. Electronic devices: Although its electrical conductivity is not as single and excellent as that of single-wall carbon nanotubes, it still has good electrical conductivity and can be used to manufacture high-performance conductive inks, sensors, flexible displays and other electronic devices.

3. Electrode material: It can be used as electrode material for lithium-ion batteries and supercapacitors to improve energy storage and power output.

4. Catalyst and catalyst carrier: itself can be used as catalyst. It can also act as a catalyst carrier, and because of its large specific surface area and special structure, it can provide more active sites for catalytic reactions and improve catalytic performance. For example, acidified multi-walled carbon nanotubes can be used as a carrier to support composite inorganic salts, and the solid acid catalyst produced has better catalytic effect than single-component iron sulfate.

5. Energy field: In addition to the previously mentioned applications in batteries, it can also be applied to hydrogen storage materials. The unique hollow structure and diameter of carbon nanotubes provide favorable conditions for hydrogen storage.

6. Wave absorbing material: It has a certain absorption capacity for electromagnetic waves, and can be used to prepare wave absorbing materials, which has potential application value in military stealth and electromagnetic shielding.

7. Biomedicine field: Its unique hollow structure and nanotube diameter can provide space for containing drugs, can achieve a high drug load, and can pass through cell membranes and a variety of biological barriers to deliver drugs to the interior of cells. In addition, it can effectively reduce the drug release rate and improve the sustained release effect.

8. Scientific research: It is often used in various scientific research to help researchers explore the properties and potential applications of nanomaterials.


Related Information

Please e-mail for the detailed characterization data.

E-mail:[email protected]

 

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SKU: 84397176350

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4.1 ★★★★★
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Product Reviews
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Verified Purchase
Jen Lee
Belleville, US
★★★★★ 5
Dark Romance - Small Town - Suspense - Enemies to Lovers
Format: Kindle
I'm soo glad I read this book. Maddox plays the big tough man with a hard exterior wall. Meanwhile, Evie, who was always stronger than she thought, broke down all his walls. Like true enemies to lovers, Maddox and Evie got under each other's skin to the point they collided and explosions went off...literally. The banter in this book, yeah, chef's kiss. This book has offers a lot. Each character has their own flair to them. Each one showed a level of growth and depth. Sometimes when I read certain books, it feels like I'm just getting the shell of what could have been. Not this one. Tuesday brought the fire. Every human emotion possible I felt while reading this book. I screamed, laughed, cussed, rolled my eyes, and sobbed. Seriously, for all those who love dark romance books with a plot and an excellent characters, this one's for you. Oh - the SPICE be SPICING.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 7, 2025
T
Verified Purchase
The.PNW.Dark.Reader
Grantham, US
★★★★★ 4
Cute small town and found family.
Format: Kindle
Evie and Maddox’s story was so sweet. Obviously there were many parts that I wouldn’t call sweet, but overall it was a cute love story. I thought the author did a great job with the Grumpy X Sunshine trope. Cause Maddox is def a big ol grumpy. The found family trope is so strong in this book and I think that might be my fav part! Were there a few parts that Maddox made me realllllll upset? Ohh yes absolutely. In reality tho, that almost made him more believable. In no way am I giving an excuse for how he used her trauma against her. Cause that was absolute trash. But I did enjoy him spending the rest of the book attempting to make up for it. He could’ve groveled more tho lol. I absolutely loved the twins relationship with each character in this book. I think they were so important to the story and added that extra bit. How they protected their mama so fiercely was everything. It felt like some of these scenes were just thrown together. Meaning, some details were just dropped in but no other context with it. Like tidbits of info that didn’t really go with any part. Other scenes were clearly thought out with so much detail. The storyline was really interesting. I enjoyed that the FMC/MMC were able to show their trauma and grow and heal from it. I loved how the author showed the MC’s were able to live outside of their trauma and be who they are, not who the trauma made them. I think this was a very good debut novel depicting just how common the cycle of abuse can be, but even more so how you can break out of it. Not all homes are filled with love and understanding, but Evie was bound and determined to have that in her home.
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Reviewed in the United States on April 1, 2025
S
Verified Purchase
Shannon D
Omaha, US
★★★★★ 5
Please do yourself a favor and read it!
Format: Kindle
So I saw this book on Instagram from someone I follow and was immediately intrigued. And let me tell you I am so glad I picked this up. I literally could not put it down and read it in a day. I am absolutely in love with evie and Maddox. I mean seriously Maddox 😭 I love him so much and that poor brute has been through so much but is just the most lovable thing. And Evie ugh that woman has been through it but is so strong. Every side character in this book is just as amazing too. The twins, Vic, Lou, and don't even get me started on the other Wilder boys😍 this book had everything, it's emotional, heartbreaking, thrilling and just an all around amazing love story. This will be a book I definitely re-read and I don't do that often. Also need to buy a physical copy like ASAP. But what I really need is Mercy's story like, yesterday. He is absolutely my favorite side character in this book and I will be so sad if he doesn't get his own story!
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Reviewed in the United States on April 11, 2025
A
Verified Purchase
Alisha Cook
Port Orchard, US
★★★★★ 4
Grumpy Sunshine, Small Town Romance
Format: Kindle
ARC Review 3.75 ⭐️, rounded up to 4 ⭐️’s. I really enjoyed the book and think the author did a good job of drawing her readers into this couple’s world. The characters were complex, but well developed. Even the side characters were amazing. The setting of the story was well thought out and came to life on the pages. There were definitely some plot twists that I didn’t see coming, and some that were anticipated, but with the way they were timed I was still shocked when it happened. And while this wasn’t the spiciest book I’ve ever read, the spice was definitely there. When it hit, it hit hard! Overall, I really enjoyed Evie and Maddox’s story. There were some things that seemed repetitive and that could’ve flowed better for me, and there were errors that a good editor should have caught. I definitely look forward to more books from this author though and am thankful for the opportunity to ARC read this book. This is a book you definitely want to check the trigger warnings before starting. It is packed with trauma and subjects that could be difficult for some readers. Tropes in this book include: Grumpy/Sunshine Small Town Romance Curvy Single Mom FMC Broody Hermit MMC He Falls First Touch Her & ☠️ Previous DV and offscreen SA PTSD rep
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Reviewed in the United States on March 31, 2025
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Verified Purchase
Vikki Lynn
San Leandro, US
★★★★★ 5
Unraveling Fate and Fae: A Captivating Journey in "Queen of Roses"
Format: Kindle
"Queen of Roses" by Briar Boleyn is a dark fantasy romance that masterfully combines elements of myth, magic, and romance with a captivating King Arthur retelling infused with a Fae twist. From its intricately woven plot to its compelling characters, this novel delivers an immersive reading experience that will leave readers eagerly anticipating the next installment. At its core, "Queen of Roses" is an enchanting tale of forbidden love and destiny, featuring an exceptionally slow-burn romance that ignites with the intensity of an enemies-to-lovers trope. Against a backdrop of magic and mythical creatures, the story unfolds with tension, banter, and forced proximity, drawing readers into a world filled with love, friendships, self-discovery, and betrayal. While the novel excels in world-building, character development, and plot intricacies, some readers may yearn for a bit more fire and spice in certain aspects of the narrative. However, the promise of future developments in the series offers hope for an even more dynamic and engaging story to come. I know I personally cannot wait to get into book 2. With a cliffhanger ending that leaves hearts racing and minds reeling, "Queen of Roses" succeeds in immersing readers from start to finish. Its dark and twisted fantasy elements are expertly balanced with moments of adventure, action, and unexpected twists, keeping readers on the edge of their seats until the very last page. As the story delves into complex themes and explores the depths of its characters' struggles and desires, it's important to note that "Queen of Roses" may contain triggering content. Readers are advised to check the trigger warnings before diving into this captivating tale. Overall, "Queen of Roses" is a must-read for fans of dark fantasy romance, offering a mesmerizing journey that will leave readers eagerly anticipating the next chapter in the series. With its lush prose, intricate storytelling, and unforgettable characters, this novel is sure to leave a lasting impression on all who venture into its enchanted world. I want to extend a heartfelt shoutout to the author for granting me the opportunity to dive into "Queen of Roses" through NetGalley. It has been an absolute pleasure to explore the captivating world and characters crafted with such skill and imagination. Thank you for entrusting me with this glimpse into your enchanting world.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 1, 2024

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