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HomeMaterialsNanoparticlesHigh Purity Silicon Nannoparticles Nano Si Powder CAS 7440-21-3, 99%

High Purity Silicon Nannoparticles Nano Si Powder CAS 7440-21-3, 99%

These silicon nanoparticles have a large surface area and high surface activity. They also possess low bulk density. The new optoelectronic material is made up of a large gap energy semiconductor.
Purity: 99%

Particle Sizes: 50nm,100nm

About Silicon Nanoparticles Nano Si Powder:

Silicon nanoparticles (SiNPs)

They are compatible with biological systems and have no metal content.

Silicon nanoparticles

These are pure amorphous, nanosilicon dioxide. It has a particle size of less than 5 Nanometers. The range of particle sizes is also very small.

Nano silicon powder

It is a new generation in optoelectronic materials, with wide gap energie semiconductors.

Silicon nanoparticles

These are known to be absorbent and abrasive. However, mesoporous silica nanoparticles play an important role in drug delivery and nanomedicine.

Silicon nanoparticles

These materials have received a lot of attention over the years due to their fascinating physical properties, unique photoluminescence, and biocompatibility.

It is simple.

Silicon Nanoparticles Nano Si Powder produced


Reverse microemulsion, flame synthesis and commonly used sol-gel are some methods that can be used to create silicon nanoparticles. A reverse microemulsion is a process where surfactant molecules are dispersed in an organic solvent to create spherical micelles. When water is present, the polar heads groups form microcavities that are water-containing. They are commonly called reverse micelles.

The addition of silicon Alkoxide to the solution containing the reverse micelles is a controlled process that allows the creation of silicon nanoparticles. However, the main problems with reverse micro-emulsification are their high costs and difficult removal of surfactant from the finished product.

A stirred reactor at 90°C can also produce nano-silicon by reacting 1kg sulphuric acids 3M and 190g Olivine. Silicon produced has a surface area between 100 and 500 m2/g, an average particle size of 5-20nm, as well as a surface area in micropores that is 20 to 200 m2/g.

Technical Parameter Silicon Nanoparticles Nano Sil Powder

Product Name MF Purity Particle Size Crystal Form SSA The color of the sky
Silicon Nanoparticles Si 99% 50nm, 100nm Polycrystalline 22m2/g Ochre

Silicon Nanoparticles Nano Si Pulse:

1. Material to make a lithium battery anode

A silicon nanoparticle made from nano Si powder can be used in anode materials for rechargeable lithium batteries. Alternatively, the top of nanosilicon powder is coated using graphite. This improves the battery’s electric power by over 10 Capacity as well as the ability to withstand multiple charge-discharge cycles.

2. The nano-silicon semiconductor light emitting material

The silicon substrate can be used to create nanostructures made of silicon/silicon oxide. These structures are capable of photoluminescence as well as forward and reverse bias at all wavelength bands, including 1.54 and 1.62um.

3. Aluminum castable

Si powder will reduce creep rates in high-temperature furnaces by preventing cracks from high-aluminum casting casts.

4. Fabric compound made from tire cord material

Silicon nanoparticles can be added to tire cord fabric compounds. This will increase the vulcanizate’s 300% constant stress, tear strength, Mooney viscosity and give the compound a strengthening effect.


The addition of silicon nanoparticles can enhance the coating’s anti-aging, anti-staining, and scrub resistance. It also extends the lifetime of the coating.

Shipping and Packing of Silicon Nanoparticles Nano Sil Powder

There are many kinds of packing available depending on the quantity of silicon nanoparticles.

Packing of Silicon Nanoparticles and nano Si Powder:

You can vacuum pack 1kg/bag or 25kg/barrel.

Delivery of Si nanoparticles and silicon powder

Could be sent by sea or air as soon as possible after receipt of payment.

Wgraj advanced materials Nano Technology Co. Ltd. (Wgraj), is a trusted supplier and manufacturer of chemicals and Nanomaterials. They have over 12-years experience providing high-quality chemicals.

High-quality products are what you want

nano Si


Please feel free and contact us to make an enquiry. (


Silicon Nanoparticles Properties

Other Titles
Silicon Nanopowder, silicon nanocrystals, silicon nano-particles,

nanosilicon, silicon nano-powder, nano-silicon


Compound Formula

Molecular Weight

Yellow Brown Powder

Melting Point
2900 degC

Boiling Point

Bulk Density
1414 g/cm3

Trun Density
2330 g/cm3

Solubility of H2O

Poisson’s Rate

Vickers Hardness

Thermal Expansion
(25 degC) 2.6 um*m




Young’s Module
51-80 GPa

Silicon Nanoparticles Safety & Health Information

Signal word

Hazard Statements

Flash Point
Non applicable

Hazard Codes

Risk Codes

Safety statements


Transport Information
UN 1346 4.1/PG3

WGK Germany

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