- 2D Crystal Materials
- 2D CVD Materials
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2D MAXENE MXENE
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MAXenes
- (Mo2/3Sc1/3)2AlC MAX
- (Mo2/3Y1/3)2AlC MAX
- (W2/3Sc1/3)2AlC MAX
- (W2/3Y1/3)2AlC MAX
- Cr2AlC MAX
- Cr2TiAlC3 MAX
- High Entropy MAX
- MAX Target Material
- Mn2AlC MAX
- Mo2Ga2C MAX
- Mo2Ti2AlC MAX
- Mo2Ti2AlC3 MAX
- Mo2TiAlC2 MAX
- Mo3AlC2 MAX
- MoAlB MAX
- Nb2AlC MAX
- Nb4AlC3 MAX
- ScAl3C3 MAX
- Ta2AlC MAX
- Ta4AlC3 MAX
- Ti2AlC MAX
- Ti2AlN MAX
- Ti2SnC MAX
- Ti2VAlC2 MAX
- Ti3Al0.5Cu0.5C2 MAX
- Ti3AlC2 MAX
- Ti3AlCN MAX
- Ti3GeC2 MAX
- Ti3SiC2 MAX
- Ti3SnC2 MAX
- Ti4AlN3 MAX
- TiNbAlC MAX
- TiVAlC MAX
- V2AlC MAX
- V2AlN MAX
- V2GaC MAX
- V2GeC MAX
- V2PC MAX
- V2ZnC MAX
- V4AlC3 MAX
- VCrAIC MAX
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MXenes
- Amino Carboxylated MXene
- Cr2C MXene
- Element Doping MXene
- Foam Metal Load MXene
- High Entropy MXene
- In-situ Doped MXene
- Mo1.33C MXene
- Mo2C MXene
- Mo2Ti2C2 Mxene
- Mo2Ti2C3 Mxene
- MXene Film and Heterojunction
- MXene Functional Group Regulation
- MXene Loaded Metal
- Mxene Nanowire
- MXene Quantum Dots
- Nb2C MXene
- Nb4C3 MXene
- Other MXene Products
- Porous MXene
- Single Atom Doped MXene
- Solid Solution Phase MXene
- Ta2C MXene
- Ta4C3 MXene
- Ti2C MXene
- Ti2N Mxene
- Ti3C2 MXene
- Ti3CN MXene
- Ti4N3 MXene
- TiNbC MXene
- TiVC MXene
- V2C MXene
- V4C3 MXene
- VCrC MXene
- W1.33C MXene
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MAXenes
- 3D Quantum Crystals
- MBene 2D Transition Metal Borides
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Other 2D Products
- 2D Carbon-Based
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2D Material Fiber/Film
- 3D Graphene Powder Series
- Boron Nitride Material
- Boron Nitride Nano Series
- Electrospun Carbon Nanofiber Series
- Electrospun Inorganic Nanofibers Series
- Electrospun Nanofiber Membrane Series
- Electrospun Polymer Nanofiber Membrane
- Electrospun SiC Nanofiber Membrane
- Lithium Ion/Fuel Cell Series
- Porous Metal Film Series
- Surface Graphene Structure Carbon Material Series
- Vertical Graphene Composite Carbon Material
- High Performance Battery Materials
- Other Liquid Products
- Other Powder/Crystal Products
- Perovskite Materials
- Porous materials MOF, COF
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2D MAXENE MXENE
MXene is a group of two-dimensional (2D) inorganic compounds in materials research. These materials are composed of layers of transition metal carbides, nitrides, or carbon nitrides that are a few atoms thick. MXene combines the metallic conductivity of transition metal carbides with hydrophilicity because of their hydroxyl or oxygen-capped surfaces. In most cases, synthetic MXene is created by HF etching, and when there are less than five layers, it is referred to as multilayer MXene (ML-MXene) or multilayer MXene (FL-MXene), which has an accordion-like shape. The naming convention Mn+1XnTx, where T is a functional group, can be employed since the surface of MXenes can be terminated by functional groups (e.g. O, F, OH, Cl).
MAX Phase
These 2D layered materials are referred to as "MXenes" to stress their resemblance to graphene. We created them by etching the A-layer from the MAX phase. The standard formula for the parent MAX phase is Mn+1AXn, (MAX), where n=1 to 3, M is an early transition metal, A is a non-metallic element, and X is carbon and/or nitrogen. The parent MAX phase has a layered hexagonal structure with P6 3/mmc symmetry. Where the X atoms fill octahedral places and the M layer is almost closed stacking. As a result, the A element is intercalated with the M elemental metal and bonded to the Mn+1 X n layer.
Single Transition Metal MXenes
MXenes employ three structures of metal at the M site inherited from the parent MAX phase: M2C, M3C2, and M4C3. They have the general formula Mn+1AXn and are created by selectively etching A elements from the MAX phase or other layered predecessors. M is an early transition metal, A is a group 13 or group 14 element of the periodic table, X is C or N, and n = 1-4.
Fig 1. The top and side views of structural models for Ti2C, Ti3C2, Ti3CN, Ti2CO2, Ti3C2O2 and Ti3CNO2. (Zhe M, et al. 2021)
Double Transition Metal MXenes
There are two types of double transition metal MXenes: ordered double transition metal MXenes and solid solution MXenes.
The typical formula for the ordered double transition metal MXenes is M'2M"C2 or M'2M"2C3, where M' and M" are distinct transition metals. Mo2TiC2, Mo2Ti2C3, and Cr2TiC2 are some of the synthesized double transition metal carbides. In certain of these MXene, such as Mo2TiC2,and Cr2TiC2, the Mo or Cr atoms are situated at the outside edges of the MXene, and these atoms regulate the electrochemical characteristics of the MXene.
Solid solution MXene has the general formula: (M'2-yM"y)C, (M'3-yM"y)C2, (M'4-yM"y)C3, or (M'5-yM"y)C4, where the metal is randomly distributed throughout the structure in solid solution form, resulting in a continuous customizable character.
Divacancy MXenes
There is proof that 2D Mo1.33C sheets contain ordered metal vacancies thanks to the construction of parent 3D atomic laminates (Mo2/3Sc1/3)2AlC with in-plane chemical ordering and by selectively etching Al and Sc atoms.
This category contains an extensive catalog of MXene and MAXENE 2D materials. Due to their extensive customizability (e.g., composition, surface termination, thickness, etc.) and processability, MXene and MAXENE have found applications in a number of different fields, including energy storage devices, biomedical applications, composites, electrochromic devices, and countless other applications.
Reference
- Zhe M, et al. (2021). "MXenes Modified by Single Transition Metal Atom for Hydrogen Evolution Reaction Catalysts." Applied Surface Science. 562(1): 150151.
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