MAX materials and MXene materials are new two-dimensional materials which have attracted much attention lately, with excellent physical, chemical, and mechanical properties, and possess shown broad application prospects in numerous fields. This is a comprehensive overview of the properties, applications, and development trends of MAX and MXene materials.
What is MAX material?
MAX phase material is actually a layered carbon nitride inorganic non-metallic material comprising M, A, X elements on the periodic table, collectively referred to as “MAX phase”. M represents transition metal elements, including titanium, zirconium, hafnium, etc., A represents the key group elements, such as aluminum, silicon, germanium, etc., X represents carbon or nitrogen. MAX-phase materials, each atomic layer consists of M, A, X, the 3 aspects of the alternating composition arrangement, with hexagonal lattice structure. Due to their electrical conductivity of metal and high strength, high-temperature resistance and corrosion resistance of structural ceramics, they are popular in high-temperature structural materials, high-temperature antioxidant coatings, high-temperature lubricants, electromagnetic shielding along with other fields.
Properties of MAX material
MAX material is really a new type of layered carbon nitride inorganic non-metallic material with all the conductive and thermal conductive qualities of metal, comprising three elements with all the molecular formula of Mn 1AXn (n=1, 2 or 3), where M refers back to the transition metal, A refers to the main-group elements, and X means the elements of C or N. The MXene material is a graphene-like structure obtained through the MAX phase treatment with two-dimensional transition metal carbides, nitrides, or carbon-nitrides. MAXenes and MXenes are novel two-dimensional nanomaterials made up of carbon, nitrogen, oxygen, and halogens.
Uses of MAX materials
(1) Structural materials: the excellent physical properties of MAX materials make sure they are have an array of applications in structural materials. For instance, Ti3SiC2 is a common MAX material with good high-temperature performance and oxidation resistance, which could be used to manufacture high-temperature furnaces and aero-engine components.
(2) Functional materials: Besides structural materials, MAX materials will also be found in functional materials. As an example, some MAX materials have good electromagnetic shielding properties and conductivity and can be used to manufacture electromagnetic shielding covers, coatings, etc. Furthermore, some MAX materials also have better photocatalytic properties, and electrochemical properties can be utilized in photocatalytic and electrochemical reactions.
(3) Energy materials: some MAX materials have better ionic conductivity and electrochemical properties, which can be found in energy materials. For example, K4(MP4)(P4) is one of the MAX materials rich in ionic conductivity and electrochemical activity, which bring a raw material to manufacture solid-state electrolyte materials and electrochemical energy storage devices.
What Exactly are MXene materials?
MXene materials really are a new form of two-dimensional nanomaterials obtained by MAX phase treatment, like the structure of graphene. The outer lining of MXene materials can connect with more functional atoms and molecules, as well as a high specific surface, good chemical stability, biocompatibility, and tunable physical properties, etc, characterize them. The preparation strategies for MXene materials usually are the etching management of the MAX phase as well as the self-templating method, etc. By adjusting the chemical composition and structure of MXene materials, the tuning of physical properties like electrical conductivity, magnetism and optics can be realized.
Properties of MXene materials
MXene materials certainly are a new form of two-dimensional transition metal carbide or nitride materials consisting of metal and carbon or nitrogen elements. These materials have excellent physical properties, such as high electrical conductivity, high elasticity, good oxidation, and corrosion resistance, etc., in addition to good chemical stability and the opportunity to maintain high strength and stability at high temperatures.
Applications of MXene materials
(1) Energy storage and conversion: MXene materials have excellent electrochemical properties and ionic conductivity and are widely used in energy storage and conversion. For instance, MXene materials bring electrode materials in supercapacitors and lithium-ion batteries, improving electrode energy density and charge/discharge speed. In addition, MXene materials may also be used as catalysts in fuel cells to enhance the action and stability in the catalyst.
(2) Electromagnetic protection: MXene materials have good electromagnetic shielding performance, and conductivity can be utilized in electromagnetic protection. As an example, MXene materials bring electromagnetic shielding coatings, electromagnetic shielding cloth, and other applications in electronic products and personal protection, improving the effectiveness and stability of electromagnetic protection.
(3) Sensing and detection: MXene materials have good sensitivity and responsiveness and may be used in sensing and detection. For example, MXene materials can be used gas sensors in environmental monitoring, which may realize high sensitivity and selectivity detection of gases. In addition, MXene materials may also be used as biosensors in medical diagnostics and other fields.
Development trend of MAX and MXene Materials
As new 2D materials, MAX and MXene materials have excellent performance and application prospects. In the future, using the continuous progress of science and technology and the improving demand for services for applications, the preparation technology, performance optimization, and application parts of MAX and MXene materials will be further expanded and improved. These aspects could become the focus of future research and development direction:
Preparation technology: MAX and MXene materials are mainly prepared by chemical vapor deposition, physical vapor deposition and liquid phase synthesis. In the future, new preparation technologies and techniques can be further explored to comprehend a much more efficient, energy-saving and eco friendly preparation process.
Optimization of performance: The performance of MAX and MXene materials has already been high, there is however still room for further optimization. Down the road, the composition, structure, surface treatment and other facets of the content can be studied and improved in depth to improve the material’s performance and stability.
Application areas: MAX materials and MXene materials have been commonly used in lots of fields, but you may still find many potential application areas to become explored. Down the road, they may be further expanded, like in artificial intelligence, biomedicine, environmental protection along with other fields.
In summary, MAX materials and MXene materials, as new two-dimensional materials with excellent physical, chemical and mechanical properties, show a broad application prospect in numerous fields. With the continuous progress of technology and science as well as the continuous improvement of application demand, the preparation technology, performance optimization and application regions of MAX and MXene materials will be further expanded and improved.
MAX and MXene Materials Supplier
TRUNNANO Luoyang Trunnano Tech Co., Ltd supply high purity and super fine MAX phase powders, such as Ti3AlC2, Ti2AlC, Ti3SiC2, V2AlC, Ti2SnC, Mo3AlC2, Nb2AlC, V4AlC3, Mo2Ga2C, Cr2AlC, Ta2AlC, Ta4AlC3, Ti3AlCN, Ti2AlN, Ti4AlN3, Nb4AlC3, etc. Send us an email or click on the needed products to send an inquiry.