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 guide to the properties, applications, and development trends of MAX and MXene materials.
What is MAX material?
MAX phase material is really a layered carbon nitride inorganic non-metallic material composed of M, A, X elements around the periodic table, collectively known as “MAX phase”. M represents transition metal elements, like titanium, zirconium, hafnium, etc., A represents the key group elements, like aluminum, silicon, germanium, etc., X represents carbon or nitrogen. MAX-phase materials, each atomic layer is composed 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 may be widely used in high-temperature structural materials, high-temperature antioxidant coatings, high-temperature lubricants, electromagnetic shielding as well as other fields.
Properties of MAX material
MAX material is a new type of layered carbon nitride inorganic non-metallic material with all the conductive and thermal conductive qualities of metal, consisting of three elements with all the molecular formula of Mn 1AXn (n=1, 2 or 3), where M refers to the transition metal, A means the main-group elements, and X refers to the components of C and N. The MXene material is really a graphene-like structure obtained from the MAX phase treatment with two-dimensional transition metal carbides, nitrides, or carbon-nitrides. MAX Phases and MXenes are novel two-dimensional nanomaterials composed of carbon, nitrogen, oxygen, and halogens.
Applications of MAX materials
(1) Structural materials: the excellent physical properties of MAX materials make them have a wide range of applications in structural materials. As an example, Ti3SiC2 is a kind of MAX material with good high-temperature performance and oxidation resistance, which may be used to manufacture high-temperature furnaces and aero-engine components.
(2) Functional materials: Besides structural materials, MAX materials can also be utilized in functional materials. For instance, some MAX materials have good electromagnetic shielding properties and conductivity and could be used to manufacture electromagnetic shielding covers, coatings, etc. In addition, some MAX materials likewise have better photocatalytic properties, and electrochemical properties can be used in photocatalytic and electrochemical reactions.
(3) Energy materials: some MAX materials have better ionic conductivity and electrochemical properties, which is often used in energy materials. For instance, K4(MP4)(P4) is one in the MAX materials with high ionic conductivity and electrochemical activity, which bring a raw material to produce solid-state electrolyte materials and electrochemical energy storage devices.
What Exactly are MXene materials?
MXene materials certainly are a new form of two-dimensional nanomaterials obtained by MAX phase treatment, similar to the structure of graphene. The outer lining of MXene materials can communicate with more functional atoms and molecules, along with a high specific surface area, good chemical stability, biocompatibility, and tunable physical properties, etc, characterize them. The preparation strategies for MXene materials usually include the etching management of the MAX phase and the self-templating method, etc. By adjusting the chemical composition and structure of MXene materials, the tuning of physical properties such as electrical conductivity, magnetism and optics can be realized.
Properties of MXene materials
MXene materials really are a new form of two-dimensional transition metal carbide or nitride materials composed of metal and carbon or nitrogen elements. These materials have excellent physical properties, including high electrical conductivity, high elasticity, good oxidation, and corrosion resistance, etc., along with good chemical stability and the ability 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 therefore are popular 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 may be used in electromagnetic protection. For instance, MXene materials can be used as electromagnetic shielding coatings, electromagnetic shielding cloth, as well as 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 bring gas sensors in environmental monitoring, which could realize high sensitivity and selectivity detection of gases. Additionally, MXene materials can also be used as biosensors in medical diagnostics as well as 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, with the continuous progress of technology and science as well as the increasing demand for applications, the preparation technology, performance optimization, and application parts of MAX and MXene materials is going to be further expanded and improved. These aspects can become the main 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. Down the road, new preparation technologies and techniques can be further explored to realize a far more efficient, energy-saving and environmentally friendly preparation process.
Optimization of performance: The performance of MAX and MXene materials is already high, but there is still room for further optimization. In the future, the composition, structure, surface treatment and other facets of the content can be studied and improved thorough to boost the material’s performance and stability.
Application areas: MAX materials and MXene materials have already been commonly used in lots of fields, but you can still find many potential application areas to get explored. Down the road, they can be further expanded, like in artificial intelligence, biomedicine, environmental protection along with other fields.
In conclusion, MAX materials and MXene materials, as new two-dimensional materials with excellent physical, chemical and mechanical properties, show a wide application prospect in many fields. With the continuous progress of science and technology and the continuous improvement of application demand, the preparation technology, performance optimization and application areas of MAX and MXene materials is going to 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.