Dual-M-Site Layered Carbides | Nominal Purity ≥99% | 200, 400, and 600 Mesh Options | Standard Packaging: 1 g, 5 g, and 50 g
This series includes Mo₂V₂AlC₃, Mo₂Nb₂AlC₃, Mo₂Ti₂AlC₃, Ti₂V₂AlC₃, and Ti₂Ta₂AlC₃. These materials are suitable for studies of dual-M-site occupancy, lattice regulation, interlayer bonding, powder sintering, composite materials, functional coatings, high-temperature performance, and layered derivative materials.
A 413-type MAX phase is generally represented by M₄AX₃, where M is a transition metal, A is a main-group element, and X is C or N. Quaternary 413-type MAX phases usually contain two transition-metal elements sharing the M site. This design preserves the characteristic layered MAX-phase structure while providing additional variables for elemental occupancy, lattice modification, interlayer bonding, and property regulation.
In this series, Al occupies the A site and C occupies the X site, while the dual-M-site systems include Mo/V, Mo/Nb, Mo/Ti, Ti/V, and Ti/Ta. Actual elemental distribution, the degree of M-site ordering, primary-phase content, crystal structure, and secondary phases should be confirmed using batch-specific XRD, elemental-analysis, and microscopic-characterization data.
| Parameter | Series Information |
|---|---|
| Product Series | Quaternary MAX Phase (413) Research-Grade Powders |
| General Structural Formula | M₄AX₃; quaternary systems generally contain two transition-metal elements at the M site |
| Material Type | Dual-M-Site Layered Carbides |
| A-Site Element | Al |
| X-Site Element | C |
| Product Form | Powder |
| Product Grade | Research Grade |
| Nominal Purity | ≥99% |
| Available Mesh Sizes | 200, 400, and 600 mesh, depending on the product model |
| Standard Packaging | 1 g, 5 g, and 50 g |
| Characterization Data | Batch-specific XRD, SEM, EDS, and particle-size data may be available upon request |
| Customization Services | Special mesh sizes, packaging, bulk quantities, and characterization requirements are available upon request |
| Inventory and Lead Time | Please inquire before ordering |
| Product Model | Material System | M-Site Elements | A-Site Element | X-Site Element | Composition Feature | Available Mesh Sizes | Recommended Research Areas |
|---|---|---|---|---|---|---|---|
| Mo₂V₂AlC₃ | Molybdenum Vanadium Aluminum Carbide | Mo and V | Al | C | Mo/V dual-M-site 413 system | 200, 400, and 600 mesh | M-site occupancy, electronic structure, electrochemistry, lattice regulation, and layered derivative materials |
| Mo₂Nb₂AlC₃ | Molybdenum Niobium Aluminum Carbide | Mo and Nb | Al | C | Mo/Nb dual-M-site 413 system | 200, 400, and 600 mesh | Structural stability, elemental occupancy, electrical and thermal properties, and composite materials |
| Mo₂Ti₂AlC₃ | Molybdenum Titanium Aluminum Carbide | Mo and Ti | Al | C | Mo/Ti dual-M-site 413 system | 200 and 400 mesh | M-site ordering, interlayer bonding, crystal structure, electronic properties, and sintering |
| Ti₂V₂AlC₃ | Titanium Vanadium Aluminum Carbide | Ti and V | Al | C | Ti/V dual-M-site 413 system | 200 and 400 mesh | Elemental substitution, lattice variation, electrochemistry, electrical conduction, and interface properties |
| Ti₂Ta₂AlC₃ | Titanium Tantalum Aluminum Carbide | Ti and Ta | Al | C | Ti/Ta dual-M-site 413 system | 200 and 400 mesh | High-temperature stability, oxidation resistance, mechanical behavior, heavy-element occupancy, and composites |
Two transition-metal elements share the M site, providing additional variables for elemental occupancy and property regulation.
Suitable for research on relatively thick M–C layers, Al-layer bonding, interlayer structures, and stability changes.
Includes Mo, V, Nb, Ti, and Ta systems for comparative studies across different dual-M-site combinations.
Available in 200, 400, and 600 mesh grades for sintering, dispersion, and coating experiments.
Suitable for pellet pressing, hot pressing, spark-plasma sintering, slurry preparation, and composite fabrication.
Batch-specific XRD, SEM, EDS, and particle-size data may be available upon request.
| Application Area | Application Description |
|---|---|
| Fundamental Quaternary MAX-Phase Research | Crystal structure, phase composition, lattice parameters, defects, and interlayer bonding |
| M-Site Occupancy Research | Distribution, degree of ordering, and synergistic effects of two transition metals in the M-site sublattice |
| Element-Substitution Research | Comparison of how different transition-metal combinations affect lattice parameters, stability, and material properties |
| Powder Sintering | Pressureless sintering, hot pressing, spark-plasma sintering, and densification studies |
| High-Temperature Performance | Thermal stability, oxidation behavior, thermal expansion, and high-temperature mechanical properties |
| Composite Materials | Combination with metals, ceramics, polymers, or carbon materials to study interfaces and reinforcement effects |
| Functional Coatings | Conductive, wear-resistant, high-temperature-resistant, and oxidation-resistant coating formulations |
| Electrical and Electrochemical Research | Electronic structure, electrical conduction, electrochemical response, and interfacial reactions |
| Layered Derivative Materials | A-layer reactions, structural evolution, and two-dimensional layered derivative materials |
| Computational and Experimental Validation | Comparison of first-principles calculations, structural predictions, and experimental results |
| Specification | Key Characteristics | Recommended Uses |
|---|---|---|
| 200 Mesh | Relatively coarse particles with good flowability | Solid-state reactions, pellet pressing, sintering, and routine composite preparation |
| 400 Mesh | Finer powder with a relatively larger contact area | Slurries, coatings, dispersion, interfacial reactions, and fine mixing |
| 600 Mesh | Higher fineness for demanding dispersion and mixing requirements | Fine coating, thin-layer preparation, and highly uniform formulations |
| 1 g | Suitable for screening multiple models in small quantities | Preliminary characterization, material selection, formulation validation, and small-scale trials |
| 5 g | Suitable for routine trials and process screening | Sintering, composite preparation, coatings, and multiple performance tests |
| 50 g | Suitable for continuous experiments and staged R&D | Batch mixing, sintering, and medium-quantity research experiments |
| Procedure | Instructions |
|---|---|
| Model Selection | Select the product according to the M-site combination, research objective, mesh size, and required quantity |
| Batch Verification | Before use, verify the product label, chemical formula, mesh size, and batch-specific characterization data |
| Opening and Sampling | Use clean, dry tools and avoid moisture, oil contamination, and cross-contamination |
| Pretreatment | For moisture-sensitive experiments, low-temperature vacuum drying or inert-atmosphere drying may be used |
| Powder Mixing | Use mechanical stirring, low-energy ball milling, or another suitable method according to the formulation |
| Dispersion | For slurry experiments, optimize the solvent, dispersant, stirring, and ultrasonication conditions |
| Pellet Forming | Pellet pressing may be performed before sintering; adjust pressure according to the equipment and powder condition |
| Heat Treatment | Determine sintering temperature, atmosphere, heating rate, and holding time through preliminary trials |
| Sample Preparation | Prepare bulk samples, composites, slurries, or functional coatings according to the research objective |
| Result Characterization | After processing, use XRD, SEM, EDS, and relevant performance tests to confirm sample condition |
| Research Requirement | Recommended Model or Specification |
|---|---|
| Mo/V Dual-M-Site and Electrochemical-Property Research | Mo₂V₂AlC₃ |
| Mo/Nb Dual-M-Site and Structural-Stability Research | Mo₂Nb₂AlC₃ |
| Mo/Ti Dual-M-Site and Ordered-Structure Research | Mo₂Ti₂AlC₃ |
| Ti/V Dual-M-Site and Electronic-Property Research | Ti₂V₂AlC₃ |
| Ti/Ta Dual-M-Site and High-Temperature Research | Ti₂Ta₂AlC₃ |
| Sintering, Pellet Pressing, and Solid-State Reactions | Prioritize 200 mesh |
| Slurries, Coatings, and Fine Dispersion | Prioritize 400 mesh |
| Higher-Fineness Coating and Dispersion | Prioritize available 600-mesh products |
| Preliminary Screening of Multiple Models | Choose 1 g packages |
| Continuous Experiments and Staged R&D | Choose 5 g or 50 g packages |
| Characterization Method | Primary Purpose |
|---|---|
| XRD | Confirm the primary MAX phase, crystal structure, lattice parameters, and possible secondary phases |
| SEM | Observe particle morphology, surface condition, layered features, and agglomeration |
| TEM / STEM | Observe local lattice, interlayer structures, defects, interfaces, and M-site occupancy |
| EDS | Analyze elemental composition, elemental ratios, and spatial-distribution uniformity |
| XPS | Analyze surface chemical states and bonding between different elements |
| Particle-Size Analysis | Determine D10, D50, D90, and the complete particle-size distribution |
| Thermal Analysis | Study thermal stability, oxidation processes, mass changes, and thermal behavior |
| Electrical Testing | Study electrical resistivity, conduction behavior, and temperature-dependent transport |
| Mechanical Testing | Study hardness, elasticity, indentation, fracture, and damage behavior |
| Quantitative Elemental Analysis | Verify the actual ratio and stoichiometry of the two M-site elements |
| Item | Recommendation |
|---|---|
| Storage Environment | Store sealed in a cool, dry place away from direct light |
| Storage After Opening | Reseal promptly after sampling and avoid prolonged exposure to air and moisture |
| Long-Term Storage | Vacuum or inert-gas protection may be used when required |
| Personal Protection | Wear laboratory gloves, a dust mask or suitable respirator, protective clothing, and safety goggles |
| Dust Control | Avoid generating airborne dust and operate in a fume hood or under local dust extraction |
| Cross-Contamination | Use dedicated or thoroughly cleaned sampling, grinding, and mixing tools for different models |
| Waste Disposal | Dispose of the material according to laboratory requirements for inorganic powders and metal-containing waste |
| Intended Use | For scientific research and industrial R&D only; not intended for food, medical, or human-use applications |
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Research-Grade Powder ' Purity ≥99% ' 200, 400, and 600 Mesh Available ' 1 g, 5 g, and 50 g Options
| Product Model | Mesh Size | 1 g | 5 g | 50 g |
|---|---|---|---|---|
| Mo₂V₂AlC₃ | 200 Mesh | $60 | $253 | $2,153 |
| 400 Mesh | $63 | $255 | $2,168 | |
| 600 Mesh | $67 | $270 | $2,295 | |
| Mo₂Nb₂AlC₃ | 200 Mesh | $60 | $253 | $2,153 |
| 400 Mesh | $63 | $255 | $2,168 | |
| 600 Mesh | $67 | $270 | $2,295 | |
| Mo₂Ti₂AlC₃ | 200 Mesh | $39 | $174 | $720 |
| 400 Mesh | $44 | $200 | $833 | |
| Ti₂V₂AlC₃ | 200 Mesh | $70 | $194 | $1,648 |
| 400 Mesh | $74 | $193 | $1,642 | |
| Ti₂Ta₂AlC₃ | 200 Mesh | $70 | $194 | $1,648 |
| 400 Mesh | $74 | $193 | $1,642 |
Partial references citing our materials (from Google Scholar)
Carbon Dioxide Reduction
1. ACS Nano Strain Relaxation in Metal Alloy Catalysts Steers the Product Selectivity of Electrocatalytic CO2 Reduction
The bipolar membrane (Fumasep FBM) in this paper was purchased from SCI Materials Hub, which was used in rechargeable Zn-CO2 battery tests. The authors reported a strain relaxation strategy to determine lattice strains in bimetal MNi alloys (M = Pd, Ag, and Au) and realized an outstanding CO2-to-CO Faradaic efficiency of 96.6% with outstanding activity and durability toward a Zn-CO2 battery.
2. Front. Chem. Boosting Electrochemical Carbon Dioxide Reduction on Atomically Dispersed Nickel Catalyst
In this paper, Vulcan XC-72R was purchased from SCI Materials Hub. Vulcan XC 72R carbon is the most common catalyst support used in the anode and cathode electrodes of Polymer Electrolyte Membrane Fuel Cells (PEMFC), Direct Methanol Fuel Cells (DMFC), Alkaline Fuel Cells (AFC), Microbial Fuel Cells (MFC), Phosphoric Acid Fuel Cells (PAFC), and many more!
3. Adv. Mater. Partially Nitrided Ni Nanoclusters Achieve Energy-Efficient Electrocatalytic CO2 Reduction to CO at Ultralow Overpotential
An AEM membrane (Sustainion X37-50 Grade RT, purchased from SCI Materials Hub) was activated in 1 M KOH for 24 h, washed with ultra-purity water prior to use.
4. Adv. Funct. Mater. Nanoconfined Molecular Catalysts in Integrated Gas Diffusion Electrodes for High-Current-Density CO2 Electroreduction
In this paper (Supporting Information), an anion exchanged membrane (Fumasep FAB-PK-130 obtained from SCI Materials Hub (www.scimaterials.cn)) was used to separate the catholyte and anolyte chambers.
SCI Materials Hub: we also recommend our Fumasep FAB-PK-75 for the use in a flow cell.
5. Appl. Catal. B Efficient utilization of nickel single atoms for CO2 electroreduction by constructing 3D interconnected nitrogen-doped carbon tube network
In this paper, the Nafion 117 membrane was obtained from SCI Materials Hub.
In this paper, Proton exchange membrane (Nafion 117), Nafion D520, and Toray 060 carbon paper were purchased from SCI Materials Hub.
7. National Science Review Confinement of ionomer for electrocatalytic CO2 reduction reaction via efficient mass transfer pathways
An anion exchange membrane (PiperION-A15-HCO3) was obtained from SCI Materials Hub.
8. Catalysis Communications Facilitating CO2 electroreduction to C2H4 through facile regulating {100} & {111} grain boundary of Cu2O
Carbon paper (TGPH060), membrane solution (Nafion D520), and ionic membrane (Nafion N117) were obtained from Wuhu Eryi Material Technology Co., Ltd (a company under SCI Materials Hub).
Batteries
1. J. Mater. Chem. A Blocking polysulfides with a Janus Fe3C/N-CNF@RGO electrode via physiochemical confinement and catalytic conversion for high-performance lithium–sulfur batteries
Graphene oxide (GO) in this paper was obtained from SCI Materials Hub. The authors introduced a Janus Fe3C/N-CNF@RGO electrode consisting of 1D Fe3C decorated N-doped carbon nanofibers (Fe3C/N-CNFs) side and 2D reduced graphene oxide (RGO) side as the free-standing carrier of Li2S6 catholyte to improve the overall electrochemical performance of Li-S batteries.
This paper used more than 10 kinds of materials from SCI Materials Hub and the authors gave detailed properity comparsion.
The commercial IEMs of Fumasep FAB-PK-130 and Nafion N117 were obtained from SCI Materials Hub.
Gas diffusion layers of GDL340 (CeTech) and SGL39BC (Sigracet) and Nafion dispersion (Nafion D520) were obtained from SCI Materials Hub.
Zn foil (100 mm thickness) and Zn powder were obtained from the SCI Materials Hub.
Commercial 20% Pt/C, 40% Pt/C and IrO2 catalysts were also obtained from SCI Materials Hub.
3. Journal of Energy Chemistry Vanadium oxide nanospheres encapsulated in N-doped carbon nanofibers with morphology and defect dual-engineering toward advanced aqueous zinc-ion batteries
In this paper, carbon cloth (W0S1011) was obtained from SCI Materials Hub. The flexible carbon cloth matrix guaranteed the stabilization of the electrode and improved the conductivity of the cathode.
4. Energy Storage Materials Defect-abundant commercializable 3D carbon papers for fabricating composite Li anode with high loading and long life
The 3D carbon paper (TGPH060 raw paper) were purchased from SCI Materials Hub.
5. Nanomaterials A Stable Rechargeable Aqueous Zn–Air Battery Enabled by Heterogeneous MoS2 Cathode Catalysts
Nafion D520 (5 wt%), and carbon paper (GDL340) were received from SCI-Materials-Hub.
Carbon cloth (W0S1011) and other electrochemical consumables required for air cathode were provided by SCI Materials Hub.
Oxygen Reduction Reaction
1. J. Chem. Eng. Superior Efficiency Hydrogen Peroxide Production in Acidic Media through Epoxy Group Adjacent to Co-O/C Active Centers on Carbon Black
In this paper, Vulcan XC 72 carbon black, ion membrane (Nafion N115, 127 μL), Nafion solution (D520, 5 wt%), and carbon paper (AvCarb GDS 2230 and Spectracarb 2050A-1050) were purchased from SCI Materials Hub.
2. Journal of Colloid and Interface Science Gaining insight into the impact of electronic property and interface electrostatic field on ORR kinetics in alloy engineering via theoretical prognostication and experimental validation
The 20 wt% Pt3M (M = Cr, Co, Cu, Pd, Sn, and Ir) were purchased from SCI Materials Hub. This work places emphasis on the kinetics of the ORR concerning Pt3M (M = Cr, Co, Cu, Pd, Sn, and Ir) catalysts, and integrates theoretical prognostication and experimental validation to illuminate the fundamental principles of alloy engineering.
Water Electrolysis
1. International Journal of Hydrogen Energy Gold as an efficient hydrogen isotope separation catalyst in proton exchange membrane water electrolysis
The cathodic catalysts of Pt/C (20 wt%, 2–3 nm) and Au/C (20 wt%, 4–5 nm) were purchased from SCI Materials Hub.
2. Small Science Silver Compositing Boosts Water Electrolysis Activity and Durability of RuO2 in a Proton-Exchange-Membrane Water Electrolyzer
Two fiber felts (0.35 mm thickness, SCI Materials Hub) were used as the porous transport layers at both the cathode and the anode.
3. Advanced Functional Materials Hierarchical Crystalline/Amorphous Heterostructure MoNi/NiMoOx for Electrochemical Hydrogen Evolution with Industry-Level Activity and Stability
Anion-exchange membrane (FAA-3-PK-130) was obtained from SCI Materials Hub website.
Fuel Cells
1. Polymer Sub-two-micron ultrathin proton exchange membrane with reinforced mechanical strength
Gas diffusion electrode (60% Pt/C, Carbon paper) was purchased from SCI Materials Hub.
Characterization
1. Chemical Engineering Journal Electrochemical reconstitution of Prussian blue analogue for coupling furfural electro-oxidation with photo-assisted hydrogen evolution reaction
An Au nanoparticle film was deposited on the total reflecting plane of a single reflection ATR crystal (SCI Materials Hub, Wuhu, China) via sputter coater.
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