bismuth

Bismuth Sulfide Bi2S3

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bismuth sulphide is a crystalline solid used as a semiconductor and in photo optic applications. It is a member of group 15 (VA) post-transition metal trichalcogenides and has a very low band gap of 1.3 eV making it an excellent choice as a sensitized nanowire electrode for photovoltaic applications.

Bismuth Sulfide Bi2S3 has a layered structure of atomic scale ribbons bound by van der Waals interactions and can be exfoliated into thin 2D layers via mechanical or liquid exfoliation methods. It is a n-type semiconductor and is suitable for application in sensitized solar cells, thermo electronic devices and nonlinear absorption based biomolecule detection.

It has been found that the synthesis of Bismuth Sulfide is very simple and can be achieved using a variety of methods. It is also an ideal choice for green chemistry applications as it does not require the use of toxic or polluting solvents.

This material is highly resistant to corrosion and exhibits good conductivity and thermal stability. The high oxidation resistance of this material makes it an excellent choice for applications such as lubricants, greases, fuel additives and anti-wear brake pads.

Moreover, the stoichiometric nature of this material and its atomic scale structure allows for the preparation of highly conductive and optically transparent Bi2S3 nanorods with a 1.4 eV bandgap. These stoichiometric and highly conductive Bi2S3 nanorods are a highly promising candidate for optoelectronic applications such as infrared spectroscopy, visible light activated hydrogen evolution (VLAH), electrochemical sensing and supercapacitor technologies.

Nano Bismuth Powder: Ideal Material for Metallurgical Lubricants

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Bismuth Characteristics Nature has a crystal. It is just as fascinating as the Egyptian pyramids and equally as stunning as materials from other worlds. Its beauty led the 17th century alchemists who believed bismuth was an emblem of energy and mystery. The beautiful and mysterious material was a source of light, color, and complex structure. It is included in the “synthesis of the philosopher’s stone”. It is called the crystallization or bismuth. Let’s talk about bismuth. This is a type of metal that has varying colors from silver to rose. It’s brittle, easily crushable and chemically stable. Bismuth can be found as either free metals or minerals in the natural world. Bismuth used to be considered the most stable element, with the largest atomic mass. But it was later discovered that it is extremely radioactive. Bismuth can be considered an environment-friendly brittle metal due to its high resistivity, strong diamagnetic and other properties. It can be used to make low-melting alloys, metallurgical additives, catalysts or medicine. Nano bismuth powder can be substituted for lead as it has excellent lubrication properties and synergistic effects with the active element, sulfur. Nano bismuth is also magneto resistant and can be applied to a variety of purposes. Recent research has shown this.

Bismuth is a Metallurgical Lubricants

Nano bismuth has been widely employed in metallurgical oils.

Two solid surfaces in direct contact during sliding, rolling and impact movements will undoubtedly cause wear. It can result in surface damage, loss, or even complete collapse, which could affect the product’s performance. The friction loss is responsible for around one third to half the current world energy consumption. The widespread use of lubricants in such environments has been encouraged. Nano-lubricants are now a reality and have blown away many metallurgists in the process. A lubricant must have two functions. Because of the high surface energy of the lubricating oil the particles have just begun to friction. The nanoparticles then adhere on the friction layer, producing a chemical reaction that produces a strong chemical resistance chemical reaction film. Nano-lubricants provide a good lubrication result because nano-powder particles have a spherical shape and act as “ball bearings”, which improves the lubrication efficiency. In addition, when exposed to high heat and under extreme loads, the nano-powder particles become flattened between friction surfaces, creating frictionless sliding systems and decreasing wear. Third, adsorption. Third, adsorption. The organic matter that is used to modify nanoparticles can easily be attracted to the frictional metal. A layer of organic composite films is then formed to remove the metal surface. It plays an important role in reducing friction, anti-wear, and other functions. Fourth, there is the role of repair. The repair function of nanometer metal powder is to fill in the small pits or damaged areas on the surface.

Bismuth: The Prospect

Bismuth, an environmentally friendly heavy metal, meets all of these requirements. This element has a positive synergistic relationship with common lubricating-oil additives elements sulfur or phosphorus. The addition of a single nanoparticle of bismuth can clearly improve base oil’s anti-friction performance as well as its bearing capacity. Thus, it is likely that the Nanobismuth powder will become one of the ingredients of green additives to lubricating-oil. Rmcplant (aka. Rmcplant is an advanced material. With over 12 years’ experience, Rmcplant is an established global supplier of chemical materials and manufacturer. High purity, small particles size, and low impurity are the hallmarks of our company’s nano bismuth Powder . We can help you if the price is lower.
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What is Bismuth?

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Although bismuth was added by the Incas to a specific type of bronze alloy-cutting tool, it was not fully understood. It was frequently confused with silver, lead, and tin. Bismuth, which is Latin for “white substance”, comes from German. However, the metal bismuth doesn’t always look silvery-white. It also contains some pink. Jofroy & Bergman in England confirmed Bismuth to be a chemical element only in 1753.
Bismuth has a metallic sheen of peach-colored white. It emits yellow smoke from its flames, which produce a blue flame. Bismuth has an extremely low melting point of 271°. It is possible to melt bismuth in a small stainless steel pot at home and let it cool down. The bismuth actually expands upon freezing, much like water. A partial oxidation of the crystal surface results in a rainbow-colored spectrum. This is caused due to the oxide film that has different thicknesses at the surface of the bismuth crystal.

What is bismuth like to gold?
It is twice as abundant as gold in the earth’s crust, and one of the most rare metals. It is the number83 element in a periodic table and the heavyest element. Its average price is just a few dollars a kilogram on the international markets. It is extremely affordable compared to other fossil material.
Bismuth was used to make boxes and other boxes in ancient Greece, Rome and beyond.

How does bismuth achieve its iridescent sheen appearance?
Due to the spiral step structure of the bismuth-crystal, the oxide film surrounding the outer edge is growing at a faster rate. It will interfere with light. Bismuth is often found as free metal or minerals in nature. When scientists heat bismuth to a high temperature, the flames can cause bismuth oxide to form. This happens when the liquid is dissolved in bismuth. The polarized rainbow of colors that results from cooling from silver are able to produce complex and regular bismuth crystallines. Its color can be determined by how thick the outer oxide layer is, which reflects different metal colors. It is sometimes compared to lead which is often replaced with bismuth.

Why bismuth?
Bismuth is similar in density to lead. However, it is less toxic than lead. Lead can cause kidney damage and convulsions. Lead poisoning is responsible for many deaths among children. Foreign hunters often replace the lead bullets in their hunting rifles by ammunition made of bismuth. Bismuth is used for killing animals.

Bismuth’s thermal and electrical conductivity are low. Bismuth has a melting temperature of 271.5 degrees Celsius.
Bismuth crystals shine brighter than diamonds, and can be transformed into many arts and crafts. Bismuth can also be used in cutting edge technologies such as superconductors, nuclear testing, and other applications.

The University of Delaware published a study that found a unique property of the metal bismuth. This can be used to produce liquid fuels and industrial chemicals. The team behind the project believes that this discovery could lead to a reduction in carbon dioxide emissions as well as a sustainable method of fuel production.
Researchers call this new bismuth characteristic “catalytic plasticity”. The researchers have previously demonstrated that bismuth films can also be combined with certain liquids to make carbon monoxide gaseous fuel. The new study concluded that electrifying bismuth film in salt solutions containing imidine ions and amidines ions regulates chemical reaction that convert carbon dioxide into industrial chemical formic acids or liquid fuel gasoline.
According to general theory, chemical reactions can require different catalysts. But the “catalyticplasticity” of bismuth means that the metal bismuth is able to catalyze many kinds of chemical reactions. Researchers pointed out that technical aspects of the new findings, which made use of renewable energy sources like wind power and solar energy to promote direct production, metal bismuth catalyst plasticity, make researchers open a new work direction test. Researchers are expected develop renewable energy conversion, a new method of fuel production, and catalytic.

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Bismuth Oxychloride Reaction

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Bismuth Oxychloride is a chemical compound that is used in cosmetics. It is a pearlizing agent that has unique properties.

Some people claim that Bismuth Oxychloride is naturally occurring. Others claim it is a byproduct of lead and copper refining processes. In any case, it is a very rare mineral.

Bismuth is a heavy metal that is chemically related to arsenic. However, it has much less toxicity than arsenic.

Bismuth oxychloride is a promising oxyhalide that is environmentally friendly and has unique optical and surface adhesion characteristics. The bismuth oxychloride structure is composed of layers of Cl-, Bi3+ and O2- ions. This structure is similar to the structure of nacre.

Bismuth is a heavy mineral that has a smoothness that is often described as a velvety feel. Bismuth oxychloride is also a great pearlizing agent that produces a high shine and iridescence.

It is often used as a colouring agent in cosmetics. Many companies claim that it is better for the skin than talc. But despite the claim, there are still concerns about its safety.

Bismuth Oxychloride is claimed to be a natural ingredient, but it has been known to cause allergic reactions. If you are worried about the possibility of an allergic reaction, it is best to avoid products that contain it.

One popular mineral makeup line had users who reported allergic reactions. These symptoms included itching, redness, and swelling. After they stopped using the product, the problems continued.


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Bismuth Carbide Catalysts

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bismuth carbide (Bi2C2) has a metallic luster and a silvery white color with an iridescent tarnish. This metal has a low melting point, making it useful for alloying. It’s also nontoxic and a safer alternative to Lead in many applications, including ceramic glazes, fishing sinkers and free-machining brasses for plumbing.

When a liquid Bismuth solution freezes, it expands because of the crystalline structure that results from its reduced form. This can make it an ideal catalyst for hydrogen production by CO oxidation, as it reduces methane to oxygen in this process.

It’s also been used for photocatalysis, as it helps break down organic dye molecules. However, its high redox potential and electron-hole pair generation rate limit its use as a photocatalyst.

The metal’s redox properties were analyzed in conjunction with the XPS study. In particular, we looked at the redox cycles of the bismuth species on the surface and sub-surface of Fe/CNT + Bi/CNT and Fe/CNT catalysts.

We found that the redox cycles of bismuth on the surface of Fe/CNT + Bi/CNT catalysts are enhanced by the oxygen scavenging and reversible oxidation of the bismuth species occupying close proximity to iron carbide nanoparticles (Fig. S11, ESI+).

This enhanced catalytic performance is mainly attributed to the iron sintering that occurred under the catalyst activation via the particle migration and coalescence mechanism. This sintering can be observed by in situ STEM operating under atmospheric pressure of CO at the temperatures of catalyst activation.

What is Bismuth Oxide Powder?

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Bismuth oxide is among the versatile and most widely-used micro-powders. The oxide is used in synthesis of many compounds. This micropowder, with its high purity makes it a great powder for analytical purposes. In industrial applications, the micro-Bi2O3 Powder is used both as a filler or pigment. This powder is highly granular, which allows for precise control of size and distribution. It can be a useful addition to various industrial applications.

Powder properties

To identify bismuth-oxide nanoparticles using spectroscopic techniques, there were many options. This includes energy-dispersive infrared and diffuse reflection spectroscopy. It was evaluated how large, morphological, and protective UV properties of nanoparticles of bismuth Oxide were. Through green synthesis, bismuth dioxide nanoparticles could be synthesized. Mentha pilegium extract was used as the catalyst. Since then, this green synthesis method is gaining a lot more attention. This technique has great potential for the cosmetic and pharmaceutical sectors. A range of absorption levels was observed in nanoparticles of bismuthoxide. This resulted from the formation a bismuthoxide monomorph. These nanoparticles had also UV blocking capabilities. The nanoparticles had antibacterial activities. This simple method of combustion produced bismuthoxide powder. The powder was dried under vacuum. FESEM then evaluated the surface morphology. The atomic mass of bismuthoxide powder was 2.7 eV. Sixty-two hours was required to calcinate high purity superfine bimuth oxides. The temperature at which the powder was calcined was between 450-600degC. The particle sizes ranged from 0.1 to 5 mm. This spectrum plot shows the band energy of bismuth-oxide powder. Bismuth oxide powder has a band gap energy of 2.7 eV. These nanoparticles were antibacterial against Gram–negative and Gram–positive bacteria. A diffuse reflection spectrum was also used for testing the UV protection. UV-Visible spectrum and Fourier transform ultraviolet spectroscopy also helped to assess the best time frame for synthesizing nanoparticles. Dispersibility properties of Bismuth Oxide nanoparticles were excellent. Bismuth oxide nanoparticles possess UV protection due to dynamic light scattering. The powder of bismuth dioxide is very pure and easy to disperse, making it ideal for use in electronic equipment.

Synthesis Bismuth Olide Powder

A variety of methods have been employed to produce bismuth powder. There are many methods to make bismuth oxide powder. One is hydrothermal. It produces powders with high quality crystals. One other method to produce bismuthoxide powder is the spray pyrolysis. It is used in many areas, such gas sensing. Also, the electrospinning technique has been used in producing nanofibers. A different technique for producing powders is the solgel. It has a smaller pore distribution. With the scanning electron microscope, we were able to determine elemental patterns in bismuth-crystalline crystal. Xray diffraction proved the existence of a crystal structure. Many spectroscopic procedures such as dynamic lighting scattering, FTIR, XRD, UV-Visible spectroscopy were used in order to analyze the samples. It was used to determine the UV protective capabilities of nanoparticles. From 250 to 700 nm, the UV absorption wavelengths are varied. Bismuth Oxide’s absorption peak lies at 290 nanometers. The disk diffusion method also allowed us to examine the antibacterial activities of these nanoparticles. The antibacterial effect of bismuth oxide against salmonella ATCC1231 has been evaluated. Disks were colored with different quantities of the same sample. The circle inhibition diameter was determined using a ruler. This green synthesis has drawn much attention over the past few years. It’s been utilized in various industries including pharmaceutical and the food industry. You can also use nanoparticles from bismuth to block the sun’s rays. They can also be useful for antibacterial activity because they are extremely pure. The photocatalyst for bismuthoxide has a large absorption spectrum, and can also remove organic molecules. It is used to treat water.

Bismuth Oxide Powder Applications

Metal surface treatment products, plastics, as well as coating products are just a few of the many possible uses for bismuth dioxide powder. This powder is important in the following: chemical vapor evaporation; thermal evaporation; and electron beam extraction. Radiospoensitizers include nanoparticles made of Bismuth oxide. Radiosensitizers are known to increase radiation’s ability to affect cell viability. This can cause DNA damage. High surface area nanoparticles can be used as target imaging. These particles are also radiopace. The nanoparticles are suitable for use in medical devices as well as magnetic field sensors and optical filters. They are also useful in the tracking of bismuth crystallization. The induced stress process at low temperatures led to the production of bismuth-oxide nanowires that are high in crystalline quality. These materials can be used to radiosensitize in Megavolt, Kilovolt radiation therapy. A lot of attention has been paid to nanostructured bismuth compounds due to its quantum behavior. They also make excellent power generators and thermal coolers. Bismuth Oxide has also been proven to be useful in biological applications. Bismuth-based medicinal formulations for stomach conditions are still available. Bismuth also finds use in astringents as well as bacteriostatic and refrigerants. This refrigerant has also been used by the nuclear industry. It acts as an electrical substitute for lead. Bismuth has long been used in numerous applications, starting with the 19th-century. In the 20th century, however, bismuth usage was reduced. Due to the reversible bismuthencephalopathy, this was possible. There are however many proven treatments which still need to be improved.

Bismuth Oxide Dust Released to the environment

To prepare bismuth oxide, heat and cooling are employed. It is necessary to obtain high-purity Bismuth Oxide Powder. This powder is often used in electronics industry as well sensitive components. It’s very hardy. It is also used in the manufacture of dielectric crystals. It is also used to make food packaging materials. Bismuth compound are used in manufacturing metals, adhesives sealants, food packing materials and medicines. It can be used as an ingredient for licensed natural medicines. Numerous toxicities have been associated with these compounds. These effects include nausea, pigmentation of the skin, vomiting, diarrhea and even irritation. Exposure to high levels of radiation can lead to skin pigmentation, irritation and diarrhea. In dielectric clays, bismuth powder is used. It’s suitable for grain-growing and also has great adsorption. It is also used in paints and coatings. There are several ways to make bismuth powder. The methods include heat treatment, use of ammonium hydrogen carbonate as a solution, or filtering and cleaning. There are many options for adjusting the product’s granularity depending on what method is used. The chemical and physical properties, as well as the density of bismuth oxide dust, will determine how finely it is. The production of a ceramic conedenser requires bismuth dioxide powder. A cyclic VVogram can be used by the Bi2O3 NPNs to determine lead concentrations from 1-5 mM. Also, you can use diffused reflectance data to measure the energy bandgap values for the Bi2O3NPs. This value is 3.3 EV. These results showed that the micropowder was monoclinic in structure and well-crystalline. The size of the Bi2O3 WNPs was confirmed by powder X-ray scattering patterns.

Microencapsulated Bi2O3 Powder with selectable Granularity

While researching the invention, it was discovered that a micro-powder with controlled levels of synthetic wax can be used for cosmetics and skin products. You can apply these powder compositions to any part or the entire body. These can also be used for body scrubs. It is possible to control the degree of granularity in powder compositions by changing the percent of wax. A wax powder greater than 1.0% per weight is preferable and with an irregularly shaped shape. The synthetic wax used in the micro-powders of this invention has a nonuniform granular texture. This has a significant effect on light detection. From X/ray excited luminescence decomposition curves, the luminosity of this powder was calculated. CsBa2I5?Eu samples of known luminosity were used in comparison to the powder sample. These powder compositions are also useful for creating cosmetic products. The following are examples: Creams. Lollipops. Cream-based Lotions. Gels. Gloss.., Serums.., Serum-Based Lotions.., Face creams.., Lip Balms. Lip Scrubs.., Hand Creams.., Foot Creams.. and many others. The present invention’s micro-powder has a controllable form that is especially suited for body scrubs and cosmetic compositions. Researchers who are looking for quick ways to determine the potential properties of compound compounds will appreciate this tool. Powders are much quicker to prepare than single crystals. Powders are quicker to apply, and offer a greater feel for the skin. Bismuth Oxide powder price The supply and need in the market, market trends and economic activity all have an impact on the price. To get the best bismuth oxide price in powder form, send us an email. (brad@ihpa.net) Bismuth Oxide powder supplier

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Bismuth Oxide Bi2O3 powder CAS 1304-76-3

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About Bismuth Oxide Bi2O3 powder:
Bismuth trioxide (bismuth oxide) is an inorganic compound with the molecular formula Bi2O3. Pure products are type α, type β and type δ. The α type is a yellow monoclinic crystal with a relative density of 8.9 and a melting point of 825 ℃, soluble in acid but insoluble in water and alkali.β-type is bright yellow to orange, intragenic, relative density 8.55, melting point 860 ℃, soluble in acid, insoluble in water. It is easily reduced to bismuth metal by hydrogen and hydrocarbons.δ-Bi2O3 is a special material with a cubic fluorite structure and 1/4 of the oxygen ion position in the lattice is vacant, so it has very high oxygen ion conductivity. The main application objects of bismuth oxide are electronic ceramic powder materials, electrolyte materials, photoelectric materials, high-temperature superconducting materials and catalysts. Bismuth oxide is an important additive in electronic ceramic powder materials, purity is generally required to be above 99.15%, the main application objects are zinc oxide varistor, ceramic capacitor, ferrite magnetic materials in three categories.
Atmospheric carbon dioxide or water-soluble carbon dioxide reacts easily with Bi2O3 to form bismuth subcarbonate. Bismuth oxide is considered to be an alkaline oxide, which explains its high reactivity with carbon dioxide. However, when an acidic cation such as Si(IV) is introduced into the bismuth oxide structure, the reaction with carbon dioxide does not occur. Bismuth (III) oxide reacts with a concentrated mixture of sodium hydroxide and bromine or with a mixture of potassium hydroxide and bromine to form sodium bismuth or potassium bismuth, respectively. Feel free to send an inquiry to get the latest price if you would like to buy Bismuth Oxide Bi2O3 powder in bulk.

Performance of Bismuth Oxide Bi2O3 powder：

The pure products of bismuth trioxide have α type and β type. The α type is a yellow monoclinic crystal with a relative density of 8.9 and a melting point of 825 ℃. It is soluble in acid, insoluble in water and alkali. The β-type is a bright yellow to orange, cubic crystal system, relative density 8.55, melting point 860 ℃, soluble in acid, insoluble in water. It is easily reduced to metallic bismuth by hydrogen, hydrocarbons, etc.

Technical Parameter of Bismuth Oxide Bi2O3 powder：

Bi2O3%

99.99min

Cu

8

Ag

8

Mg

6

Sb

/

Ni

/

Zn

5

Bi

/

Mn

/

Ca

5

Fe

6

Cd

5

Co

3

As

/

Si

8

Al

6

Se

4

Pb

4

Sn

4

Na

/



 






   






















How is Bismuth Oxide Bi2O3 powder produced?
1. Drop the sodium hydroxide solution without carbon dioxide into the bismuth nitrate solution (80 ~ 90 ℃) to make it mixed. During the precipitation process, the solution remains alkaline, and the white, bulky-expanding bismuth oxide hydrate Bi(OH)3 precipitates. The solution is heated, and after a short time of stirring, it dehydrates yellow bismuth trioxide. After water decanting washing, filtration and drying, bismuth oxide was prepared.
2. Add 1.5mol/L sodium hydroxide water solution without carbon dioxide to 0.1mol/L bismuth nitrate solution dissolved in 1mol/L nitric acid (at 80 ~ 90℃) in a nitrogen atmosphere to make them mixed. The solution remains alkaline during the precipitation process. Although the white and bulky-expanding bismuth oxide hydrate Bi(OH)3 precipitates, it dehydrates into light yellow bismuth trioxide after stirring in a hot solution for a while. The bismuth oxide was obtained by decanting and washing with water without air and carbon dioxide 15 times, then filtered and dried.
3. After the metal bismuth is loaded into the graphite crucible for melting, an arc is formed between the graphite electrode and the metal liquid surface under the flow of oxygen, and the metal is heated and oxidized. To ensure adequate oxygen supply, the crucible should be placed in a large container and continuously supplied with oxygen. The reaction temperature ranges from 750 ℃ to 800℃, and the purity of β-bismuth trioxide is more than 99.8%. After quenching the product in water or on a cold metal plate, the high-temperature phase β-type product is obtained.
4. Slowly add Bi(NO3)3·5H2O acidic solution (20g dissolved in 2mol/L HNO3) into excess sodium carbonate solution and stir vigorously.Bi2O3CO3 was precipitated, filtered, washed and dried.β-Bi2O3 was obtained by placing it in an aluminum boat and heating it in the air at 650K for about 1.5h
5. The basic bismuth nitrate is burned at 400 ~ 500℃, and the NO3- ion is removed about (3 ~ 4h) :
2BiONO3=Bi2O3+NO+NO2+O2
The finished product will turn lemon yellow after cooling.
6. Wash the surface of 16kg99.9% industrial bismuth with a small amount of dilute nitric acid, and then wash the surface with conductive water to remove nitric acid. Then add 1:1 high-purity nitric acid (35kg nitric acid with 1.42 RDH and 20L conductivity water), finish with 1, and continue the reaction for 10min after addition. The filtrate was heated to 65 ~ 70℃, evaporated and concentrated to a relative density of 1.9, cooled and crystallized, then dried to obtain bismuth nitrate. Use the bismuth nitrate obtained conductance water to dissolve a dilute solution, hydrolysis under stirring, let stand to make alkali type bismuth nitrate precipitation, precipitation with centrifuge dry or suction filter, and then use thermal conductivity water washing several times, the suction filter after drying, crushing, 7 ~ 8 h at 500 ℃ calcination, a bit cold after pulverization, burning 4 ~ 5 h again, after cooling for a quick high purity bismuth oxide by 99.99%.

 
Applications of Bismuth Oxide Bi2O3 powder:
Bismuth oxide is used to prepare bismuth salt.
Bismuth oxide is used as electronic ceramic powder material, electrolyte material, photoelectric material, high-temperature superconducting material, catalyst.
Bismuth oxide is an important additive in electronic ceramic powder materials, purity is generally required to be above 99.15%, the main application objects are zinc oxide varistors, ceramic capacitors, ferrite magnetic materials three categories; As well as glaze rubber complex, medicine, red glass complex and other aspects.


Storage Condition of Bismuth Oxide Bi2O3 powder：
Bismuth Oxide Bi2O3 powder should keep the container sealed and stored in a cool, dry place, and ensure that there is a good ventilation or exhaust device in the workplace.

Packing & Shipping of Tellurium Oxide TeO2 powder：
It is packed in double plastic bags inside, which can be filled with argon in a vacuum; it can be vacuumed and filled with argon for protection..
Bismuth Oxide Bi2O3 powder packing: vacuum packing, 100g, 500g or 1kg/bag, 25kg/barrel, or as your request.
Bismuth Oxide Bi2O3 powder shipping: could be shipped out by sea, by air, by express as soon as possible once payment receipt.
Bismuth Oxide Bi2O3 powder CAS 1304-76-3插图
 

Bismuth Oxide Properties

Other Namesbismuth trioxide, Bi2O3 powder
CAS No.1304-76-3
Compound FormulaBi2O3
Molecular Weight465.96
AppearanceLight Yellow Powder
Melting Point817 °C
Boiling Point1890 °C
Density8.9 g/cm3
Solubility in H2ON/A
Exact Mass465.945541
  
  

Bismuth Oxide Health & Safety Information

Signal WordWarning
Hazard StatementsH315-H319-H335
Hazard CodesXi
Risk Codes36/37/38
Safety Statements26-36/37
Transport InformationNONH
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Various Uses of Nanometer Bismuth Oxide

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Is there a nanobismuth oxide? Nanometer bismuth oxide Also known as Bismuth Trioxide, a compound that has an organic molecular structure of Bi2O3, is one the most important bismuth compounds. While bismuth can be extracted from natural bismuth blossom (a mineral), it is most often derived from the by-products of copper smelting, lead smelting, or direct combustion of bismuth.

Nanometer Bismuth Oxide photoelectric materials
Bismuth oxide-based glasses have excellent optical properties. They include high refractive indexes, infrared transmittance and nonlinear optics. This glass can be used to make photoelectric devices or optical fibre transmissions. One of the most important applications of bismuthoxide as an additve is in this category. This glass, Bi2O3/B2O3/Si2O3, has a reaction speed of 150 fs. and can be widely utilized for optical switching as well as broadband amplifiers. Bismuth-based glasses added with caesium, such as 63.3Bi2O3-32.6B2O3-41Si2O3-0.24CeO2, have more excellent performance. Bismuth oxide is 92% of glass weight and has a content of 63.3%. Taiwan National University scientists uniformly dispersed bismuth oxide and titanium dioxide particles (particles are about 10nm in size) in polyacrylate. Sol-gel materials have high optical dispersion, thermal stability and are easy to use. It can have a refractive Index of 1.614-1.694. PbBiGa dioxide glass is a nonlinear and excellent transmitting optical material in the far infrared spectrum. This glass is ideal for optical fibre transmission and photoelectric devices in the infrared.

You can use nanometer bismuth dioxide as a catalyst
Three types can be used to apply bismuth dioxide in catalysts: The molybdenum bismuth catalytic materials, like the sol-gel prepared bismuth-molybdenum titan mixed oxide with a surface area between 32 and 67m2/g. These are efficient, economical catalysts for the oxidation reactions. The industrial uses of bismuth oxide include the ability to convert propylene into acrolein and to prepare acrylonitrile using propylene; it also acts as a catalyst for the oxidation and dehydrogenation furan, butadiene, and other processes. It can also be used as a catalyst in the oxidation of methane, ethane, and ethylene. BY25, bismuthoxide doped 25% with yttrium dioxide, is the most efficient catalyst currently available for methane-oxidation coupling reaction. It can also be recycled up to 18x.

Pricing of nanometer bismuth oxide
Nanometer bismuthoxide particle sizes and purity have an effect on its price. The purchase volume may also impact the cost. Large quantities of high-quality bismuth oxide will result in a lower price. On our website, you can see the Price of Nanometer Bismuth Oxide.

Nanometer bismuth oxide supplier
The Advanc3dmaterials Advanced Material Nano Technology Co. Ltd. Luoyang City (Henan Province), China. This is a trusted and reliable global supplier of chemical material. This company is a trusted supplier and manufacturer of high quality chemical materials and nanotechnology products with more than 12 year experience, such as Nanometer Bismuth Oxide, Nitride Powder, graphite Powder, and Sulfide Powder. We are happy to help you find high-quality, cost-effective Nanometer Bismuth Oxide. Get in touch You can also inquire at any time.

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Bismuth Telluride Powder Bi2Te3 Cas 1304-82-1

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About Bismuth Telluride Powder Bi2Te3 Powder:
Bismuth telluride is a gray powder with the molecular formula Bi2Te3. Bismuth telluride is a semiconductor material with good electrical conductivity, but poor thermal conductivity. Although the danger of bismuth telluride is low, it can be fatal if ingested in large amounts. However, this material can allow electrons to move on its surface without energy consumption at room temperature, which will bring a leap in the operating speed of the chip, even It can greatly improve the operating speed and work efficiency of the computer chip.
Bismuth telluride is a compound semiconductor of elements V and VI of the main group of the periodic table. Triangular crystal, the unit cell is a rhombic hexahedron, the lattice constant is 1.0473nm, and the density is 7.8587g/cm3. The melting point is 585°C. Combined by covalent bonds, there are certain ionic bond components.
Bismuth telluride is an indirect bandgap semiconductor with a bandgap of 0.145eV at room temperature, electron and hole mobility of 0.135 and 4.4×10-2m2/(V·s), respectively, and a thermoelectric quality coefficient of 1.6×10-3/K. Feel free to send an inquiry to get the latest price if you would like to buy Bismuth Telluride Powder Bi2Te3 Powder in bulk.

Features of Bismuth telluride  Bi2Te3 powder:

Bismuth telluride is a semiconductor material, with good conductivity, but poor thermal conductivity. Although the risk of bismuth telluride is low, if a large number of intake is also a fatal danger but this material can allow electrons at room temperature without energy in the surface of its movement, which will bring the chip speed of operation, even Can greatly improve the computer chip running speed and efficiency.

 

Specification of Bismuth telluride powder Bi2Te3 powder: 

ItemPurityParticle sizeColorShapeDensityEnergy gapMolecular massMelting pointThermal conductivity
Tr-Bi2Te399.99%-99.9999%100meshGray

powder, granule 

block

7.8587g.cm30.145eV800.76575 ℃0.06 W/cmK

Note: according to user requirements can provide different size products.

 

How is Bismuth Telluride Powder Bi2Te3 Powder produced?
Bismuth telluride is prepared by the Bridgman method, zone melting method, and Czochralski method. The mineral form of Bi2Te3 is bismuth telluride, which is moderately rare. There are many natural bismuth tellurides with different stoichiometric ratios, as well as compounds of the Bi-Te-S-(Se) system, such as Bi2Te2S.
The mixed powder of quartz and tellurium metal can be sealed in a quartz tube under vacuum (this is critical because unsealed or leaked samples may explode in the furnace), and then heated to 800°C in a muffle furnace To achieve the preparation of bismuth telluride.

Application of Bismuth Telluride Powder Bi2Te3 Powder:
Bismuth telluride (Bi2Te3) is basically an effective thermoelectric material. Nowadays, due to its potential applications, it has aroused great interest in another area of energy harvesting, chip cooling, chip sensing and material science.
Bismuth telluride and its alloys are widely used as thermoelectric refrigeration materials. When the heat source temperature is moderate, they are also the best materials for thermoelectric generators.
Bismuth telluride is commonly used for power generation or cooling applications, as a topological insulator.
Topological insulators are not conventional superconductors, nor can they be used for ultra-efficient power lines, because they can only carry very small currents, but they paved the way for the paradigm shift in microchip development, which will lead to new applications of spintronics, That is, the use of electron spin to carry information. Moreover, bismuth telluride is very easy to produce and use in practical applications. This three-dimensional material can be manufactured by the existing mature semiconductor technology, and it is also easy to dope so that its performance can be tuned quite easily.

Storage Condition of Bismuth telluride powder Bi2Te3 powder:
The damp reunion will affect Bi2Te3 powder dispersion performance and using effects, therefore, Bismuth telluride powder Bi2Te3 powder should be sealed in vacuum packing and stored in cool and dry room, Bismuth telluride can not be exposure to air. In addition, the Bi2Te3 powder should be avoided under stress.

Packing & Shipping of Bismuth telluride powder Bi2Te3 powder:
We have many different kinds of packing which depend on the Bismuth telluride powder Bi2Te3 powder quantity.
Bismuth telluride powder Bi2Te3 powder packing: vacuum packing, 100g, 500g or 1kg/bag, 25kg/barrel, or as your request.
Bismuth telluride powder Bi2Te3 powder shipping: could be shipped out by sea, by air, by express as soon as possible once payment receipt.
Bismuth Telluride Powder Bi2Te3 Cas 1304-82-1插图

Bismuth Telluride Properties

Other Namesdibismuth tritelluride, bismuth(III) telluride, bismuth sesquitelluride,
bismuth tritelluride, Bi2Te3 powder
CAS No.1304-82-1
Compound FormulaBi2Te3
Molecular Weight800.76
AppearanceGray Black Powder
Melting Point585 ℃
Boiling PointN/A
Density7.64-7.74 g/cm3
Solubility in H2ON/A
Exact Mass801.674797
  
  

Bismuth Telluride Health & Safety Information

Signal WordWarning
Hazard StatementsH302+H312+H332-H315-H319-H335
Hazard CodesXi
Risk CodesN/A
Safety StatementsN/A
Transport InformationUN 3284 6.1/PG III
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