All about MXenes Materials
MXenes are a new type of two-dimensional transition metal carbides, nitrides or carbonitrides. With their unique two-dimensional structure, tunable properties and multifunctionality, MXenes have become a research hotspot in the field of materials science and are expected to achieve breakthrough applications in energy, electronics, environment and other fields in the future.
- Definition
- Features
- Products
- Applications
- Qualifications
- FAQs
- Case Study
- Online Inquiry
What is MXenes Material?
The general chemical formula of MXenes is Mn+1XnTx. Among them: M is an early transition metal (such as Ti, V, Nb, Mo, etc.); X is carbon (C) or nitrogen (N); Tx represents a surface termination group (such as -O, -OH, -F, -Cl, etc.). MXenes is a material composed of two-dimensional transition metal carbides and nitrides, obtained by selectively etching the A element from the MAX phase.
What are the Features of Magnetic Beads?
High Conductivity
MXenes have electrical conductivity close to that of metals, for example, the conductivity of MXenes thin films reaches 4600 S/cm), making them suitable for electronic devices and electrode materials.
Hydrophilicity and Mechanical Properties
The surface termination groups give MXenes hydrophilicity, while their nanosheet structure provides excellent flexibility and mechanical strength, for example, the tensile strength is significantly improved after being compounded with polymers.
Adjustable Properties
The electronic structure, optical properties and chemical activity of MXenes can be precisely adjusted through solid solution design (such as mixing M-site or X-site elements) and surface termination group regulation.
MXenes Materials Products List
What are the Applications of MXenes Materials?
Energy Storage
MXenes' high volumetric capacitance and rapid ion intercalation make them high-performance electrode materials. MXenes also exhibit high capacity and catalytic activity as negative electrodes for lithium/sodium ion batteries or as catalyst carriers for hydrogen production from water electrolysis.
Electromagnetic Shielding
MXenes' conductive network and multi-layer reflection mechanism enable them to achieve shielding effectiveness of >50 dB at ultra-thin thicknesses (e.g., 2.5 μm), which is superior to most synthetic materials.
Sensors and Catalysis
The rich active sites on the surface can be used for gas sensing, electrochemical detection, and photocatalysis.
Environment and Biomedicine
MXenes' adsorption capacity is suitable for water purification, and their near-infrared absorption properties can also be used for photothermal therapy
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Question and Answer
Case Study
The exciting future of MXenes
Gogotsi, Yury. Chemistry of Materials 35.21 (2023): 8767-8770.The advancement of MXenes toward industrial applications requires the development of scalable, low-cost, safe, and environmentally friendly synthesis processes, as well as extensive and thorough investigation of their toxicity and fate in the environment. All new materials follow this path. The field of MXenes has a bright and exciting future based on the unique and tunable properties of MXenes, as well as their huge compositional diversity and tunability of properties.
One of the most compelling applications of MXenes is its ability to compete with gold and silver in printed electronics, outperform indium tin oxide (ITO) in flexible and foldable transparent devices, and perform at the level of copper and aluminum in EMI shielding, but allowing the use of films much thinner than metal foil films. It also outperforms gold and graphene in epidermal and implantable electronics due to lower impedance in contact with skin and tissue. Also note that it is room temperature deposited from solution, requiring no vacuum sputtering or high temperature deposition and post-processing. The high breakdown current makes TiC also promising for nano-thin interconnects.
