SKU: 59611663817

Nb4AlC3 MAX phase ceramic materials

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Description

Nb4AlC3 MAX phase ceramic materialsProduct Name NameNb4AlC3 MAX phase ceramic materials Product Overview The MAX phase is A ternary layered ceramic material, where M is a transition metal element, A is mainly a third and fourth main group element, and X is carbon or nitrogen. The crystal unit arrangement of this material is hexagonal structure, and the space point group is P63 mmc, where the M atomic layer and the A atomic layer are alternately arranged to form a layered structure

Product Name

Name:Nb4AlC3 MAX phase ceramic materials


Product Overview

The MAX phase is A ternary layered ceramic material, where M is a transition metal element, A is mainly a third and fourth main group element, and X is carbon or nitrogen. The crystal unit arrangement of this material is hexagonal structure, and the space point group is P63/mmc, where the M atomic layer and the A atomic layer are alternately arranged to form a layered structure similar to the close-packed hexagonal structure, and the X atom is filled in the gap position of the octahedron. Where M is the pre-transition metal element, A is the main group element, X is the carbon or nitrogen element, n= 1,2,3, so it is referred to as the MAX phase. When n=1, it is 211 phases, such as Ti2AlC and Ti2SiC; When n=2, it is 312 phases, such as Ti3SiC2 and Ti3AlC2; When n=3, it is called 413 phase, such as Ti4AlN3. MAX phase synthesis is mainly prepared by mixing raw material powder by ball milling and then sintering at high temperature. A new two-dimensional nanomaterials, MXene, is A new two-dimensional carbon/nitride nanolayered material prepared by using the weak binding force between the A layer and the MX layer in the MAX phase and selecting suitable etching agents (such as HF, LiF+HCl, NH4HF2, etc.) to denudate the A atomic layer in the MAX phase. It has good electrical conductivity and hydrophicity. A variety of 2D MXene materials such as Ti3C2Tx, V4C3Tx, Nb2CTx and Ti2CTx have been synthesized successfully. The general formula can be expressed as Mn+1XnTx, where Tx represents the functional groups (-OH, -F, -O, -Cl, etc.) attached to the surface of MXene by chemical etching of the precursor MAX phase. Multilayer MXene can be stripped into single-layer MXene nanosheets by ultrasonic crushing or ball milling, whose morphology is similar to that of graphene.


Technical Parameter

 

Status:Black powder

Lateral size:-6 um(SEM:/span>

Purity:90wt%(EDS:/span>

 

Product Features

 

At present, we offer a variety of MAX phase and MXene nanosheets, such as Ti3AlC2, Ti2AlC, Nb2AlC and Ti3C2Tx, Ti2CTx, Nb2CTx, V4C3Tx, Ti3CN, etc. Taking Ti3AlC2 as an example, there are multi-layer MXene nanosheets in accordion (HF etching) and clay (LiF+HCl etching), as well as single layer (~1nm), thin layer (1-5nm) and small layer (1-10nm)MXene nanosheets and dispersions by ultrasonic stripping.

1. Adjustable size and thickness: MXene nanosheets with different diameters and thicknesses can be provided;

2, good hydrophilicity: rich surface functional groups, good dispersion in water solvents;

3. Good electrial conductivity: It is composed of carbon layer and transition metal layer alternately, giving MXene good electrical conductivity and pseudocapacitance characteristics;

4, two-dimensional layered structure: large specific surface area, surface reactive sites, excellent catalytic performance.

 

Application Fields

 

1, Sensing field: MXene has a large specific surface area of the reaction active site, conducive to the adsorption of gas on the surface of the material, can be used to detect methane, hydrogen sulfide, ammonia and other gases, can also be used in the field of biochemical sensing.

2, catalytic field: rich in surface functional groups, adjustable band gap width, widely used in photocatalytic degradation of pollutants, hydrolysis of hydrogen and reduction of carbon dioxide.

3, biomedicine field: MXene has good absorption capacity in the near infrared region, can be used as a photothermal conversion reagent for biological therapy; It can also load drugs for drug delivery to improve treatment efficiency.

4, energy storage field: The unique two-dimensional layered structure can be used as an electrode material for lithium-ion and sodium-ion batteries, while MXene has good stability and high conductivity, and is also used in supercapacitors and fuel cells.

5, electromagnetic absorption and shielding field: Because MXene has excellent metal conductivity, hydrophilicity, flexibility and easy coating ability, it can be added to the polymer to make a film, electromagnetic absorption and shielding effect can be achieved.


Related Information

Please e-mail for the detailed characterization data.

E-mail:[email protected]

 

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Sunny
Boise, US
★★★★★ 5
Great product
Size: 25 Count (Pack of 6)
My favorite facial wipes. Gentle to your skin, no alcohol, no burning on the eyes! These wipes clean well make up and don't get dry in the package. Expensive though, hope the price won't go up to make us give up on them.
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Julie G
Louisville, US
★★★★★ 5
The only thing that works for me
Size: 50 count (Pack of 1)
I love these face wipes so much. I cannot use soap due to all the problems I have with my skin. It's so finicky.. I have rosacea with painful P&P and also flare ups of adult acne. I take a med to keep my oil production under control, but that means I end up with a few flakey patches on my cheeks. These are the ONLY face wipes that I've found that not only remove almost all (more on that in a moment) of the makeup I'm wearing, but also seem to help keep my redness under control. I've tried Aveeno Ultra-Calming wipes which profess to help with redness and even those are way too harsh for my skin. The Aveeno wipes make my face sting horrible, leave a greasy residue, and have a smell that is not very pleasant. The Simple wipes take off WAY more makeup than those, or any other wipe, I've tried and leave my skin feeling actually clean and calm. The only routine that I've found that keeps my skin looking decent is to use these to remove the majority of my makeup and then follow up with Simple Micellar Water on a cotton pad to remove any further traces. I follow that up with a few spritzes of (rosewater is supposed to help with redness too) and then moisturize with - which doesn't have SPF (which makes my rosacea flare up). It sounds like a lot of steps, but it takes me 3 minutes, tops. I'd just like to add too for those saying that these don't remove waterproof mascara - well, yeah. I would want neither a "gentle" face wipe that was harsh enough to remove waterproof mascara, nor a mascara that was wimpy enough to be removed with a gentle wipe... that would mean it would also come off every time my eyes watered or even just blinked. Just use an oil-free eye makeup remover before using these.
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great clean.
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These get my face clean and exfoliated. I love them.
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The best makeup wipes
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The best makeup wipes- soft and fast and they smell great!
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New York, US
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Just love these and they are sometimes hard to find.
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These are great they make you skin feel fresh. They never irritate my face. Always you one before moisturizer.
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