The Properties And Application of Molybdenum Carbide

What is molybdenum carbide?
Molybdenum Carbide has the chemical formula MoC. Its molecular weight 107.95.

The material is known for its high melting and hardness points, thermal and mechanical stability and corrosion resistance.

Molybdenum Carbide has a hexagonal gray crystal. It has a high melting and hardness point, as well as good mechanical and thermal stability. The melting temperature is 2692degC. It is insoluble in water, lye and sulfuric acid.
Molybdenum Carbide:

1. Molybdenum Alloy

TZM is the most commonly used molybdenum alloy. It has high strength, comprehensive properties and excellent corrosion resistance. The United States uses TZM for turbine disks, which account for 15 percent of the total molybdenum. In my country, we produce no less than 22 types of molybdenum material. This includes TZM molybdenum. Early 1990s, the output of my country in molybdenum alloys and molybdenum was around 200 tons.
The high mechanical properties and structural strength of TZM alloys make them superior to pure molybdenum. These alloys are used for high-tech moulds and structural parts. In the early 20th century, my nation successfully produced them as thermally perforated seamless steel pipe plugs. The sintered molybdenum plugged made using powder metallurgy technology can reduce raw material consumption (50%) and improve the average service life of 1.5 to 2x.

The seamless tube of molybdenum and rhenium (containing 50% Re), has excellent high-performance, and can be used near its melting point. It can also be used to make the brackets, rings, grids, and other parts for thermowells or electron tubes.

It is easier to work with molybdenum than tungsten. The plates, strips and foils are used to make tubes, rods wires profiles etc. These are used to make electronic tubes (grids), electric light source parts (support material), metal processing tool (die-casting dies, extrusion dies forging dies perforated plugs liquid metal screens), and turbine discs. Used in many components.

2. Alloying components of steel

Molybdenum is an alloying metal that, when combined with nickel, chromium and other elements, can help reduce the embrittlement of alloy steels. The use of molybdenum in high-speed alloys to replace the tungsten is a leading solution for the shortage in tungsten. Molybdenum, according to calculations has twice the capacity of tungsten. The steel that contains 18% tungsten is replaced by steel containing only 9% molybdenum. Molybdenum’s role in stainless steel is to enhance corrosion resistance, strength and weldability. You can see that molybdenum has a major role to play in the steel sector.

3. Other apps

Molybdenum exhibits a very low vapour pressure when working at the pressure and temperature of a vacuum furnace. Molybdenum is the material that causes the least contamination to the materials and workpieces inside the furnace. Also, evaporation losses will not affect the service life for high molybdenum products such as heating elements or heat insulation encapsulation.
Due to its high strength, molybdenum makes the ideal electrode in glass manufacturing. It is also the most suitable processing equipment and electrode during rapid heating. Because molybdenum is chemically incompatible with most glass components, it will not produce harmful color changes due to the small amount of molybdenum that may be dissolved in a glass melting tank. As a heating electrode in a glass melt furnace, it can last up to 3 or 5 years.

4. Emerging applications

Molybdenum diilicide (MoSi2) is a composite material that can be used to overcome the low ductility, high oxidation and low ductility problems.

Molybdenum Carbide has excellent properties in terms of electrical, mechanical, and thermal properties. It is widely used as a composite material in the advanced composite field.

Tech Co., Ltd. () is an expert in Molybdenum Carbide, and has over 12 years’ experience in research and product development. You can contact us to send an inquiry if you are interested in high quality Molybdenum Carbide.

The Property And Preparation of Silicon Disulfide SiS2 Powder

What are the properties of silicon disulfide (SiO2)?

Silicon disulfide The crystal structure of silicon disulfide is an orthorhombic, tetragonal white fibrous system. The molecular form of silicon disulfide (SiS2) is SiS2. Under normal temperature and pressure it is stable, but when exposed to moisture or heated, it will decompose into H2S and siO2.
Inorganic silicon disulfide has the chemical formula SiS2. It is a material that is similar to silica but with a one-dimensional polymer structure.

What is the silicon disulfide prepartion?

1. Burn aluminum powder in a furnace with extra sulfur. The aluminum sulfide mixture is crushed with a little excess silica and then mixed. Place the mixture in a crockpot. Next, place the crockpot inside a quartz tube. Finally, heat the mixture while introducing a small quantity of dry nitrogen to the quartz tube. The reaction starts around 1100degC. At 1200-1300degC sublimed SiS2 sticks to the area of low temperature in the tube. When purifying, use sublimation under nitrogen or vacuum. The mixture is heated between 5x103MPa (700degC) and silicon to get tetragonal SiS2.

2. Heating is required to decompose hydrocarbon-sulfide based silicon. At 250-300degC, silicon disulfide or sulfide will be produced. Sulfur will cause the decomposition to occur at a much lower temperature if added. Mix 96g of Sulfur and 39g Si (SC2H5)4 in a bowl and heat it at 200degC (10min) to create silicon disulfide. After the latter is dispersed in benzene and filtered, conditions are set up to prevent moisture from mixing.

Tech Co., Ltd. is a professional silicon disulfide We have over 12 years’ experience in the development of chemical products. You can contact us for high-quality silica disulfide. Contact us Send an inquiry.

Why do battery cars catch fire frequently in summer

The safety of battery-powered cars has raised social concerns. It is not unusual for battery cars to catch fire, and some have even been known to cause great harm. Why do batteries catch fire so often? The negative electrode of the lithium battery acts as the negative electrode for a Li-ion Battery and is matched to the cathode in a Li-ion Battery. The anode materials in lithium-ion batteries act as the host, and they reversibly allow lithium ions to intercalate/deintercalation during charge/discharge cycles. These are the main causes: Charge time is too lengthy
80% electric vehicle fires are caused by charging during the night. If the battery is old and the wire is peeling off, there is a high probability that a spontaneous explosion, short circuit, or combustion will occur when charging the car. People are asleep during this time and it is difficult to escape.
2. Parking to support combustion
Statistically, 90% cases of electric vehicles causing fatalities happened in areas such as hallways, aisles, and stairwells. It is easy for combustibles to accumulate in corridors and staircases due to the airtight conditions. This can also cause fire evacuation routes and passages to be blocked.
3. Man-made modifications
Many electric vehicle owners increase the battery capacity and driving speed arbitrarily, creating safety hazards. The “Electric Vehicle Safety Technical Code”, a new national code, states clearly that “the battery nominal voltage must be lower than or equal 48V”. Illegal electric vehicle sales and service outlets are actively catering to the demand for 60V and even 70V over-standard battery voltages.
4. The primary material used in electric vehicles is flammable
In terms of safety, electric vehicles can be sources of ignition. Fuel and flammable substances are present on the body. Once in contact with combustion-supporting materials or in a confined space, it is very easy to cause deflagration events.

Type of battery for car
Four types of batteries can be used in electric bikes: nickel-metal-hydride batteries, valve-regulated, maintenance-free lead-acid, and lithium-ion. Comparing lithium-ion to lead-acid, they have several advantages. These include lighter weight, higher voltages, greater temperature compatibility, and better environmental protection. There are hidden dangers with lithium-ion battery safety, but they’re not as obvious as you might think. Fires can occur. Moreover, lithium-ion cells cannot be discharged using high current. Comparing lead-acid and lithium-ion batteries, the overall safety performance is compared. Lithium-ion batteries are more expensive and have a larger gap in price. The new national standard may lead to lithium-ion being the preferred battery for electric vehicles in the future.

Material for Lithium Ion Battery Anodes
The negative electrode of a lithium battery acts as the negative electrode for a battery containing lithium ions. It is matched to the cathode in the battery. The anode materials in lithium-ion batteries act as the host, and they reversibly allow lithium ions to intercalate/deintercalation during charge/discharge cycles.

Application of the lithium battery negative electrolyte
The lithium battery anode material is used to store energy and release it from the battery. It is also an integral part of the battery. This is due to the compatibility of the graphite and the electrolyte. Trunano Technology Co. Ltd. supplies high-purity lithium battery materials such as graphite, graphene graphite powder, SiO, SiC, and silicon powder.

The cost of lithium-ion battery anodes
(aka. Technology Co. Ltd., a trusted global chemical supplier & manufacturer has over 12 years experience in providing high-quality Nanomaterials and chemicals. Our company is currently developing a range of powder materials. Our OEM service is also available. Contact us if you’re looking for powdered lithium battery anode. You can also click on any of the products you need to send us a request.

Properties of Iron Sulfide

Iron sulfide, also known as ferrous sulfide (FeS) and more commonly called pyrite, is one of the most common of the metallic sulphides and can be found in many types of ore. It can form crystals with a variety of structures and its black appearance has led to it being used in jewellery, particularly between the late 1700s and early 1900s, when it was often polished for a lustre reminiscent of gold. It can also be seen in natural minerals such as mackinawite and greigite. Iron sulfides have an extremely wide range of properties and are widely used in industry.

The properties of iron sulfide are determined mainly by its structure. The pyrite mineral has a cubic structure and forms crystals with crisply edged cubes and dodecahedra. It is not as well crystalline at lower temperatures, when it tends to have a trigonal prismatic structure. There are many subtle variants of this structure, and it may even form a hexagonal system. The phase relations of iron sulfides at higher temperatures are fairly well understood, but at lower temperature the relationships are complex.

Iron sulfide is soluble in water, but only very slowly. It is insoluble in nitric acid, hydrochloric acid and dilute alkalis. It is used as a laboratory chemical for the preparation of hydrogen sulfide gas, in hair dyes, in paints and pigments for ceramics and bottles and in lubricants. It is also used in the extraction of lead and other heavy metals from waste streams.

The Characteristics and Application of Quartz Powder

What exactly is quartz powder? It’s also called silicon fine powder. Quartz powder is a hard mineral that is known for its chemical stability and wear resistance. The quartz sand color is white or translucent. It has a hardness of 7, brittleness, shell-shaped breaks, and oil gloss. Its chemistry, thermal, and mechanical properties are heterogeneous. The product of the quartz mine is referred to by the term below 120 mesh. Quartz powder has more than 120 different products as their destination.
What are the uses of quartz powder?
Quartz is a very important mineral. Quartz Powder has many uses in industry.

Quartz sand, which is rich and coarse, is used in the glass-making industry. Quartz sand plays a key role in the production of instrumentation, flat-sheet, specialty, and fiberglass glass. Quartz can also be used to produce lenses for optical instruments such as telescopes and microscopes. It is also used in prisms, sensors and electronic and scientific instruments.

Quartz Powder as an Abrasive. Because of its high hardness, which is seven on the Mohs scaling, quartz powder is more durable and effective than many other natural substances. Quartz powders and finely ground oxides have many uses, including sandblasting media, scouring cleanser, grinding media, grit, sanding, and sawing.

Quartz Powder used in the Slab Industry. Quartz Grains and powder are also used to produce artificial marble slabs. We have been making the best quality for this industry from the very beginning.

Other Uses for Quartz Powder: You can use quartz powder as a filler when making rubber, putty, or paint. The granules of roofing and filter media are made from quartz that has been washed after screening and is of a size that can be used. Quartz Powder is used to provide traction in the railroad and mining industry. These sands can be found on beaches, golf course sandboxes and volleyball courts.

Quantum Powder for Investigation of the Properties of Fiber Reinforced Engineered Concrete Composites
ECC mixes are more workable when they contain quartz powder and silica dust. These materials can absorb water. Water absorption is lower for cement and quartz than silica. Silica fume, however, has a surface of between 15,000 m2/kg. Water is also used consistently in all ECC mixtures. In essence, these conditions may be the cause of the poor workability of ECC mixes. By adjusting superplasticizer content (SP) for each mix, however, ECC mixes can be made to work well and have good consistency.

In the case of PVA fibers based ECCs, adding quartz powder can improve the average compressive strengths of 6.85% and the average strength ratios of 1.0685 compared to PVA fibers based samples without the addition of quartz. The addition of quartz to steel fibers based ECC can improve the average compressive strengths of 8.09% and the average strength ratios of 1.0809, compared with the steel fibres based ECC samples that do not contain quartz powder. Finaly, the addition of the quartz powder to the PVA-ECC and steel fibers ECC sample led to higher compressive strengths with an average strength of 1.0747 when compared to samples of FRECC that did not contain quartz powder.
(aka. Technology Co. Ltd., a global chemical materials supplier & manufacturer that has been in business for over 12 year’s experience providing high-quality Nanomaterials and chemicals. Our company is currently developing a number of materials. Quartz Powder is produced by our company with high purity, small particle size and low impurity content. Send an inquiry by clicking on the desired products or sending us an email.






Performance Characteristics And Applications of Silicon Nitride Ceramics

Silicon Nitride Ceramics:

Silicon nitride A synthetic superhard material, ceramics is made of a high-quality polymer. Ceramics have good lubricating qualities and a high degree of hardness.
The silicon nitride’s resistance to thermal shock, compared with other industrial materials ceramics, is also a distinctive feature. It is heated up to over 1000degC and then cooled rapidly, before being quickly heated again without splitting. Because of its excellent thermal shock resistance it is often used for high-temperature mechanical components, such as turbine blade mechanical sealing rings, welding moulds, etc.

Also, silicon nitride ceramics have excellent mechanical and workability properties. The hardness of silicon nitride common ceramics is less than diamond. Processing is usually based upon different processing technologies such as diamond wheels, grinding head, etc. Precision grinding, cutting, and drilling are all possible.

Silicon nitride ceramics applications:

Si3N4 Ceramic Material is an excellent material for high temperature engineering. Its application in this field can fully exploit its benefits.

The future direction of Si3N4 development is to: (1) make full use of Si3N4’s excellent characteristics; (2) when Si3N4 Powder is sintered, create some new fluxes and research the best components from existing fluxes.

Si3N4 ceramics used in automobile engines have created a unique situation for the creation of new structural materials that can withstand high temperatures. Automobiles are a multidisciplinary field that combines the best of many technologies. China has an ancient civilisation with a rich history. In the development of ceramics, it has achieved many brilliant things. China’s reform and opening process will one day make it to the top of the auto industry and lead the development of ceramics.

Tech Co., Ltd. is a professional silicon nitride Over 12 years in research and development of chemical products. You can contact us for high-quality Silicon Nitride. Contact us Send an inquiry.

Preparation and Application of Tantalum Diboride

Tantalum Boride powder preparation method

Tantalum-Boride Powder is produced by thermal reduction Tantalum Penoxide powder with carbon black or graphite. The reaction equation is: 2Ta205+B4C+15C+2B203=4TaB2+16C0. The reaction is controlled by the material diffusion. This method is not ideal because the Tantalum powder and carbon black powder are mixed unevenly and graphite or carbon black powder has a low activity. Tantalum powder will reduce incompletely and impurities may be formed. Tantalum Boride has low carbon black and graphite activity. In addition, it is necessary to decarburize the Tantalum Boride at a high temperature of >600degC to create carbon monoxide (CO2) or carbon dioxide.

Tantalum, Tantalum alloys and their applications

The pipe is characterized by a high melting point, excellent corrosion resistance, and good cold-working performance. Pipes have a wide range of applications in chemical, atomic and high temperature industries. These include the production of heat exchangers for chemical processes, condensers and spiral coils. In the chemical, aerospace, high temperature, atomic and energy industries, bar materials are used widely. They can be used to manufacture supersonic planes, rocket engines and spacecraft combustion chambers.


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Cuprous oxide is one of the two stable oxides of copper

The following is a brief overview of the Overview The following are some examples of how to use Cuprous oxide Cuprous oxide (Cu2O) is monovalent, copper oxide. It’s a bright red powder, solid and almost insoluble when mixed with water. It disproportionates in acidic solutions into copper, copper elemental. When exposed to moist air, it gradually oxidizes into black copper dioxide. Cuprous oxide, the chemical formula is Cu2O, is monovalent copper oxide, a bright red powder solid, almost insoluble in water, in acidic solution disproportionation into copper and copper elemental, in the wet air gradually oxidized into black copper oxide.
The amount of copper in the acidic solution is more than the amount of copper, which indicates that the stability and solubility of copper ions is higher. Cuprous oxide reacts, for instance, with sulfuric acid in order to produce copper sulfate.
Cu2O+ H2SO4 = CuSO4+ Cu + H2O
Cuprous oxide is formed when nitric and cupric acid react to produce copper nitrate.
3Cu2O + 14HNO3(dilute)- 6Cu(NO3)2 + 2NO| + 7H2O
Cuprous oxide forms complexes when ammonia water or hydrogen halide acids are added. It does not decompose into copper divalents and copper
Solvable in concentrated ammonia to form the colorless [Cu(NH3)2]+ complex (copper ion (I)). This is oxidized to blue [Cu[NH3)4(H2O]2]2+ hydrate ammonia (copper ii) in the air.
Curious oxide, soluble with hydrochloric acids to form HCUCL2 (cuprous complex), is also soluble with sulfuric or nitric acid to produce copper sulfate or copper nitrate.
What does cuprous oxide do?
As a ceramic pigment, cuprous oxide can be used to create blue, red, and green glazes. It is also sometimes used in grey, pink, or black glazes.
Also, it was mistakenly added to animal feed as a nutritional supplement.
Copper absorbable is minimal due to its low biological activities. Copper alloys are also used in its welding. Ship bottom antifouling (to kill lower Marine creatures) is made with cuprous oxide.
It is used as a bactericide. It can also be used for the production of copper salts. Cuprous oxide is commonly used in organic synthesis as a catalyst.

Is cuprous oxide dangerous?
It is toxic when swallowed. Absorption through the skin can cause harm. May cause skin irritation. It may cause irritation of the eyes.
Acute toxicity LD50 470mg/kg mice. LD50 for the abdominal meridian in mice is 380mg/kg. After a few days, the body’s temperature will return to normal. However, symptoms such as weakness, headaches and dizziness may persist. Gastric lavage using a K4[FeCN]6 solution at a specific concentration, milk consumption and other measures are taken to treat acutely-infected patients. The maximum allowed concentration in the atmosphere is 0.1mg/m3. Wearing a dustproof mask, protective work clothing, wearing dustproof eyewear, and taking a shower at the end of your workday are all options.
Chronic poisoning can be seen in the form of a darker reddish-purple edge to the gingiva, the hair and skin of workers exposed to copper compounds. The dust is irritant to the skin. It also irritates and damages the cornea.
What’s the Difference Between CuO and Cu2O?
Cu2O may be produced by oxidizing the metal copper or by reducing an aqueous solution of copper II with sulfur oxide. CuO, however, is obtained through pyrometallurgical processes used to extract ore copper. Copper is the main ingredient in many wood preservatives. Copper can also be used as a glaze pigment.

How is cuprous oxid formed?
In the normal direct oxidation process of metal Copper, platinum wire is suspended inside the vertical tubular electric oven in a nitrogen atmosphere with 1% (volume fractions) oxygen. It is heated to 1000 degrees for 24 hours in order to produce cuprous oxide. The chemical reaction of metal copper with copper oxide is heated in a vacuum chamber at 1000 degrees for 5 hours. This will produce cuprous oxide. The order in which the oxide phase is formed from copper by thermal oxidation goes as follows: CuCu2OCu2OCu2OCu2O+CuOCuO. Cu2O can be formed at around 200degC. CuO starts to form at 300degC.
The dry process is also a way to make cuprous oxide.
Dry method: The copper is first mixed with copper dioxide, then heated in the calcining kiln to 800900degC. It will be converted into cuprous oxide. Then, pulverize the material to 325 mesh after removing mechanical impurities with a magnet. Use an iron to reduce copper in copper sulfate if it is the raw material. The reactions are identical to those used when copper powder is the raw material.

Why is the cuprous oxide red in color?
It is reduced from the black copper oxide (CuO) that we see in glazes and glasses. It will remain in its Cu2O form if reduced and sintered to give the typical copper-red colour.
Aminopolysiloxane: Cu2O Photocathode overlayer: Photocorrosion inhibitor and Low Overpotential Co2-to-formate Selecivity Promoter
Photoactive Ptype semiconductors based on Earth-rich element represent photoactive Ptype semiconductors of photoelectrochemical reduction reaction CO2 (PEC CO2RR). Under PEC CO2RR, photo corrosion is accelerated despite the light absorption. The aminefunctionalized Polysiloxane(AF-PSI), is evaluated using the amineCO2 adduct. It is also evaluated as a PECCE2RR promoter. Electrochemical tests and X-ray diffraction have shown that AFPSI coatings improve light stability. The feed efficiency in electrolysis tests under visible light illumination was 61%. In situ FTIR analyses have revealed that CO2 and amine combine to form a urethane. This method is used to confirm the double-effect of the AFPSI layer.

(aka. Technology Co. Ltd., a global chemical material manufacturer and supplier with more than 12 years of experience in the production of super-high-quality chemicals. Our company is currently developing a number of materials. Our Cuprous oxide Cu2O is a powder with a high purity, fine particle sizes and low impurity contents. Send us a message by clicking on the desired products or sending an email.

How to prevent the car from rusting?

The anti-rust coatings will slowly be worn away due to various factors, such as air pollution, regional climate variations, changing road conditions, and natural aging. Rubble splash, acid rain, and other erosions require anti-rust treatments to extend the service life. Use aluminum diulfide as a rust inhibitor
Aluminium disulfiderust inhibitor This product has the ability to remove severe rust and dirt. It is also capable of washing and squeezing out resin and colloidal dirt. The rust and lubrication effects are suitable for all objects that require rust removal and anti-rusting, including door hinges, hinge ring, etc. This agent can be sprayed on objects that require anti-rusting and rust removal.
The product protects metal products against rust and corrosion while maintaining their original look. It is ideal for car sills, car headlight frames and the internal grooves in car doors. The can should be shaken before using to ensure it is even and without precipitation. Insert a small plastic tube in the gap between the car body and the door sill. When spraying, move the can backwards and forwards. The transparent anticorrosion resin should not be exposed to heat or fire.

Application scope and characteristics of chassis anti rust series products
(1) Zinc spray. This spray can enhance the anticorrosion and antirust function of the metal surface. It also has good electrical conductivity and is suitable for spot welding.
(2) Aluminum spray. It can be applied to the aluminum alloy, exhaust pipe and wheel hub.
(3) Anti-rust primer. This is a permanent rust inhibitor that has fine particles and can be used to prevent recorrosion or rust spots on metals. It can be used to prime various parts of your car.

Use aluminum sulfide with caution
The local exhaust is the airtight operating procedure. Operators should undergo special instruction and follow the operating procedure. It is strongly recommended that operators use self-priming filters dust respirators and chemical safety goggles, along with protective clothing and rubber glove. Avoid generating dust. Avoid contact with oxidants. Prevent damage to packages by loading and unloading with care. Equipped with emergency leakage equipment. Empty containers could contain hazardous residues.

Storage precautions
Aluminum Disulfide keep in a cool and ventilated storage area. Keep away from heat and flame sources. Do not store with oxidizer. Storage area must be equipped with materials that can contain any leakage.

Firefighting Measures
Hazardous characteristics No specific combustion and explosion properties. By high heat, it decomposes to toxic sulfide gas.
Hazardous combustion Products:Natural Decomposition Products are Unknown
Firefighting Method:firefighters are required to wear full-body gas-proof and fire-resistant clothing, and must put out the flames in an upwind direction. Move the container away from the flames as much as you can.
(aka. Technology Co. Ltd., a trusted global chemical supplier & manufacturer has over 12 years experience in providing high-quality Nanomaterials and chemicals. Currently, we have developed a successful series of powdered materials. Our OEM service is also available. Contact us if you’re looking for Sulfide or powder. You can also click on and select the products that you are interested in to send an inquiry.

Algae Extracts Controllable Synthesis of Vanadium Carbide Nanosheets with Enhanced Photothermal Performance in the Near Infrared Region

What is Vanadium Carbide?

Vanadium Carbideis an opaque black crystal that has a density between 5.255.4g/cm3 with a melting point around 2750. This is slightly harder then quartz. This substance can be used to make vanadium steel, and it is also used as a carbide cemented carburide additive.

The Discovery of Two Dimensional Vanadium-Carbide Nanosheets

Vanadium-carbide nanosheets with a two-dimensional structure have great potential to be used as photothermal agents in the treatment of cancer. The application of vanadium in photothermal therapies is limited by harsh synthesis and low photothermal efficiency. The research team recently reported a green intercalation method that uses algae extracts for high-yielding two-dimensional vanadium-carbide nanosheets.

Recent years, two-dimensional transitional metal carbonitride has been used in many areas such as energy storage and biosensors due to its superior metal conductivity, water repellency, various components, and nanostructures. Broad application prospects.

Preparation and Characterization of Two-dimensional Transition Metal compounds

The Mn+1AXn layer is used to prepare the carbonitride of two-dimensional metal transition. In this ternary, “M” represents the transition metal and “A”, mainly, the IIIA group or IVA Group (13 Or 14,) element. “X”, is C or n (n = 1, 2, or 3). MAX is a hexagonal layer crystal structure composed of metal MX and A bonds. The A element “bonds” between adjacent layers Mn+1Xn. Due to the Mn+1Xn’s weaker M-A bonds, it is possible to selectively remove the A layer with a strong acid or alkali. The harsh conditions of these methods, the low yield and the damage to the structure of Mn+1Xn on a single layer limit their use at large scale. It is therefore urgent to develop a method that is efficient, environmental friendly and yields high to understand such materials better and to broaden their applications.

The Future of Vanadium-Carbide Nanosheets

The team of researchers proposed a method to solve the above problems by using algae extracts in order to produce high-yielding two-dimensional nanosheets vanadium carbide by intercalation. The vanadium carbonitride nanosheets produced by this method are complete and have high absorption near-infrared radiation. The photothermal convertibility at 808nm is up to 48 percent, which is superior to other two-dimensional transitional metal carbonitride materials such as Mo2C (42.9%) and Nb2C(36.4% NIR-I and 45.65% in NIR-2), as well as Ta4C3 (44.7%). This efficiency is comparable to that of gold-based material and carbon-based Nanomaterials. Both in vivo as well as in vitro tests show that the two-dimensional vanadium-carbide nanosheets could be used for photothermal treatment of cancer guided by photoacoustic or magnetic resonance multimode imaging. This work eliminates the harsh conditions associated with the use of strong corrosive alkalis or acids, while providing an economic, environmentally-friendly, high-yield and high-yield way to prepare two dimensional transition metal carbitrides.


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