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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Deb from Bushville
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★★★★★ 5
Carry on with the great writing Rachel Lacey while I look for my next bodyguard book
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I'm on a bodyguard reading kick right now, only wlw of course. I read this one for the first time about a year ago and somehow, I didn't leave a review. ( I'm good at hopping from one book to another and forgetting to write one. oopsy) I loved the bodyguard part but as stories go I always hate someone's parent dying. ( too much like real life) I know it's necessary to show why Natalie is so effed up. Rachel wrote a great ending to this story and that is always a plus in my eyes.
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cute and captivating
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I really enjoyed the storyline and the emotional growth of the characters in this book. I’d been putting it off for a while but I’m glad I finally picked it up and took a chance on it because it was such a cute story.
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Soft-Hearted Scribbler
Cuba, US
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When successful movie star Natalie Keane hires Taylor Vaughn to be her bodyguard and fake girlfriend, it doesn't take long for their pretend attraction to spark very real feelings, but with both women deeply scarred by the past, is a Hollywood-style happy ending possible? Strictly speaking, Cover Story is a celebrity romance. Natalie Keane is a successful film actress whose career is at a high point thanks to a recent Golden Globe nomination. She has an entourage and even lives in a large house that boasts its own observatory with a telescope. But that being said, this is not the glitzy, glamourous, escapist story some readers might associate with the celebrity romance trope. While she may be a powerful star to the outside world, internally, Natalie is quiet, introspective, and perpetually haunted by a traumatic incident from her past. Her carefully insulated world is an extension of the emotional barriers she's built around her heart. Enter Taylor Vaughn, the sexy, competent bodyguard Natalie hires to pose as her girlfriend while providing extra security. On the surface, she's the perfect heroine to rescue the reclusive Natalie, all while their attraction sizzles to the point of combusting. But Taylor has vulnerabilities and self-doubts too, and the closer she gets to Natalie, the more she risks pushing past her own physical and emotional limitations. Cover Story has plenty of Hollywood excitement, including red carpet interviews and movie stunts. And there is no shortage of romance or heat between Natalie and Taylor, but what really gives the story impact is the poignant and authentic journeys of heart and mind that the characters take separately and together. The journeys are not straightforward, but ultimately, they highlight the power of healing, taking risks, and finding a person to feel safe with. If you enjoy sapphic stories with romance, steam, but also a healthy dose of angst and authenticity, you'll be captivated by Cover Story.
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Roxanne Belen
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Great read! 5 stars
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This is such a great read! I love how vulnerable Nath is towards Taylor. It feels so loving....
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gemsjuls214
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