SKU: 36365077524

Hydroxylated Double-wall carbon nanotubes(long)

Sale price$70.71 Regular price$78.57
Save 10%

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 9 - Jul 14

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

Description

Hydroxylated Double-wall carbon nanotubes(long)Product Name NameCarboxyl Double wall carbon nanotubes(long) Product Overview Double walled carbon nanotubes (DWNTs) can be seen as a nano tube structure composed of two coaxial graphite sheets coiled together, with a layer spacing of about 0. 34nm, a diameter generally between 2 4nm, and a length of several micrometers. Performance characteristics: It has good mechanical properties, such as high strength and high modulus; Has good electrical

Product Name

Name:Carboxyl Double-wall carbon nanotubes(long)


Product Overview

Double walled carbon nanotubes (DWNTs) can be seen as a nano tube structure composed of two coaxial graphite sheets coiled together, with a layer spacing of about 0.34nm, a diameter generally between 2-4nm, and a length of several micrometers.

Performance characteristics: It has good mechanical properties, such as high strength and high modulus; Has good electrical properties, such as high conductivity and semiconductor characteristics; Has high thermal conductivity; Has a large specific surface area.

Application areas: It has potential applications in composite materials, electronic devices, energy storage and conversion, sensors, and other fields. For example, it can be used to enhance the mechanical and electrical properties of composite materials; Can be used in electronic devices to manufacture transistors, sensors, etc; In the energy field, it can be used for supercapacitors, lithium-ion batteries, etc.


Technical Parameter

 

Color:black

OD:-4 nm

Purity:gt;60%

Length:~50 um

-OH Content:.92wt%

SSA:gt;350m2/g

True density:~2.1 g/cm3

EC:gt;100 s/cm


 

Product Features

Excellent mechanical properties: with extremely high strength and toughness. For example, 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

1. Composite material reinforcement: Multi walled carbon nanotubes have high strength and toughness. Adding them to matrices such as plastics, rubber, and metals can significantly improve the mechanical properties of the material, such as strength and stiffness. For example, grafting carbon nanotubes onto the surface of carbon fibers to obtain a multi-level structure can enhance the interfacial interaction with organic matrices and the mechanical properties of composite materials.

2. Electronic devices: Although their conductivity is not as single and excellent as single-walled carbon nanotubes, they still have good conductivity and can be used to manufacture high-performance conductive inks, sensors, flexible displays, and other electronic devices.

3. Electrode materials: Can be used as electrode materials for lithium-ion batteries and supercapacitors to improve energy storage and power output capabilities.

4. Catalysts and catalyst carriers: They can serve as catalysts themselves. It can also serve as a catalyst carrier, providing more active sites for catalytic reactions and enhancing catalytic performance due to its large specific surface area and unique structure. For example, acidified multi walled carbon nanotubes can be used as carriers to load composite inorganic salts, resulting in solid acid catalysts with superior catalytic effects than single component iron sulfate.

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

6. Absorbing materials: They have a certain ability to absorb electromagnetic waves and can be used to prepare absorbing materials. They have potential applications in military stealth, electromagnetic shielding, and other fields.

7. In the field of biomedicine: Its unique hollow structure and nanometer diameter can provide space for accommodating drugs, achieve high drug loading, and can pass through cell membranes and various biological barriers to deliver drugs to the inside of cells. In addition, it can effectively reduce the release rate of drugs and improve the sustained release effect.

8. Research field: commonly used in various scientific studies 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]

 

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 36365077524

Discover Niche Categories That Outsell

Top-Converting Item to Boost Your Average Order

4.8 ★★★★★
Based on 997 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
R
Verified Purchase
Rose kennly pierre
Phoenix, US
★★★★★ 4
Comfortable and Stylish Shoes
Size: 8.5, Color: British Tan/Ivory
These shoes are very comfortable and stylish. The quality feels great, and they fit perfectly. I can wear them for a long time without discomfort. They look elegant with both casual and dress clothes. Definitely worth the price and I would recommend them to others. ⭐⭐⭐⭐⭐
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 8, 2026
J
Verified Purchase
Josh R.
Fort Morgan, US
★★★★★ 5
Great Shoe
Size: 10.5 Wide, Color: Black Leather/Black
Great shoe! Especially for those that are on the move in a professional setting for a lot of the day. The only issue I’ve had with these so far are my shoe laces are warping. The shoe itself is holding up great.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 11, 2026
G
Verified Purchase
G. Mays
Belleville, US
★★★★★ 5
A great purchase
Size: 10.5, Color: British Tan/Ivory
These shoes are very comfortable and attractive. Lots of people noticed them when I first wore them. I would not consider them the most dressy shoes you can buy, but they work for "business casual" and most other outfits (but not shorts).
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 24, 2026
S
Verified Purchase
Shahbaz
New York, US
★★★★★ 4
All-Day Comfort for 10+ Hour Workdays. Finally Found a Pair That Holds Up
Size: 12, Color: Black Leather/Black, Size: 12, Color: Black Leather/Black
After years of trying different “comfortable” dress shoes, this is the first pair I’ve owned that I can wear for a full 10+ hour workday without counting down the minutes to take them off. For context, I’m a retail district manager. I’m on my feet most of the day walking stores, standing in conversations, moving constantly. I’ve owned Clarks, Rockport, and even higher-end dress shoes, and while some started out comfortable, none of them held up for an entire day without foot fatigue setting in. These Cole Haan shoes are different. What stands out: All-day comfort: No mid-day foot pain, even after long shifts. Solid construction: Genuine leather that takes and holds a polish well. Supportive sole: Noticeably helps with impact from constant walking. Great value: Performs better than shoes I’ve paid significantly more for. I also appreciate that they hit a nice middle ground stylistically; more business casual than formal, but still sharp enough for most professional environments. For additional context, I am a heavier individual and tend to wear down the outer (lateral) edge of my shoes first. That pattern holds true here as well. The only drawback: After about two months of wearing them 5 days a week (purchased January 7th), the sole shows more wear than I would expect at this point. It’s not a dealbreaker, but it’s the reason I’m giving 4 stars instead of 5. I’ll be including a comparison photo between the worn pair and a new pair for reference. That said, I still expect to get around 8–10 months of use out of them, which at this price point is more than fair. Bottom line: If you need a comfortable, reliable, and reasonably priced work shoe for long days on your feet, these outperform just about everything else I’ve tried, and that’s why I bought a second pair.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 24, 2026
A
Verified Purchase
Amazon Customer
Charlottesville, US
★★★★★ 5
Great Shoes
Size: 10, Color: Cognac
Love these shoes super comfortable and look great. Everyone asks me where I got them.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 20, 2026

recommand products