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

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Silicon nanoparticles feature a large area of surface, high surface activity as well as a low density. It is a novel generation of optoelectronic semiconducting materials, with wide gap energy semiconductor. Purity: 99%
Particle Size : 50nm or 100nm
About Silicon Nanoparticles Nano Si Powder:
Silicon nanoparticles (SiNPs) These quantum dots, which are free of metal and have a biocompatible surface, can be customized in size or luminescence. Silicon nanoparticles The particles are pure, amorphous nanosilicon dioxide. The particle diameter and particle range are both less than 5 nanometers. Nano silicon powder This is a novel generation of optoelectronic semiconducting materials that have wide gaps and are also high-power light sources.

Silicon nanoparticles Mesoporous Silicon Nanoparticles are important in drug delivery, nanomedicine, and other applications. Silicon nanoparticles The unique physical properties of these materials, their active surface state, photoluminescence, biocompatibility and distinctive photoluminescence have drawn a great deal of attention over the past decade.

What is Silicon Nanoparticles Nano Si Powder produced ?
Reverse microemulsion, flame synthesis or the widely used Sol-gel are all methods for synthesizing silicon nanoparticles. In a microemulsion reverse, surfactant molecule dissolved within an organic solvent forms spherical micelles. In the presence or water, polar head group organizes itself to form microcavities containing water.

In order to synthesize silicon nanoparticles in reverse micelles, it is possible to carefully control the addition of the silicon alkoxide catalyst to the medium. The cost of reverse micro emulsification and the difficulty in removing surfactant are its main drawbacks.

By reacting 1kg of sulphuric acids 3M with 190g Olivine at 90degC, 65g of Nano-silicon are produced. The silicon produced is characterized by a specific area of 100-500m2/g, an average particle size of 5- 20 nm, and a specific area in micropores ranging from 20-200m2/g.

Nanoparticles Silicon Nano Powder Parameter:
Product Name MF Purity Particle Size Crystal Form SSA Color
Silicon Nanoparticles Si 99% 50nm, 100nm Polycrystalline 22m2/g Ochre
Nano Si Powder Application:

1. Anode materials for lithium batteries
Anode materials of rechargeable Lithium batteries are made with silicon nanoparticles, which are produced from nano Si powder. Or, the surface of nano silica powder is coated in graphite, improving the capacity by over 10 and the number of charge-discharge cycles.
2. Nano-silicon semiconductors light-emitting material
Silicon/silicon-oxide nanostructures, designed on a substrate of silicon, can achieve photoluminescence or forward bias (including 1.54 and 1.62um), from near-ultraviolet through to near-infrared.
3. Aluminum castable
The addition of Si powder in high temperature furnaces reduces the creep rate, which can lead to cracks or spalling on the furnace lining caused by shrinkage and creep. It also improves the service life.
4. Tire cord fabric
Addition of silicon nanoparticles in the tire cord fabric can increase 300% constant tensile stresses, tensile characteristics, tear strength, decrease Mooney viscosity and have a certain strengthening effect on the compound.
By adding silicon nanoparticles, the coating can be made more resistant to aging, staining and scrubbing, as well as have better anti-aging and scrub-resistant properties.

Packing & Shipping Silicon Nanoparticles Nano si Powder
The packing we use depends on how much silicon nanoparticles there are.
The nano-sized silicon particles are packed in a nano-Si powder. As per your request, vacuum packaging is available in 1kg/bags, 25kg/barrels, or both.
Nano Si Powder: Once payment has been received, goods can be shipped by sea, air, or express.

Technology Co. Ltd., () is an established global chemical material manufacturer and supplier with over 12 years’ experience in the production of high-quality nanomaterials. These include boride powders, nitride particles, graphite particles, sulfide particles, 3D-printing powders, etc.
Looking for high quality nano Si Powder Contact us by sending an email. (brad@ihpa.net)

Silicon Nanoparticles Properties

Alternative Names Silicon Nanopowder, silicon nanocrystals, silicon nano-particles,
nanosilicon, silicon nano-powder, nano-silicon
CAS Number 7440-21-3
Compound Formula Si
Molecular Mass 28.08
Appearance Yellow Brown Powder
Melting Point 2900 degC
Boiling Point N/A
Bulk Density 1414 g/cm3
Trun Density 2330 g/cm3
Solubility In H2O N/A
Poisson’s Ratio 0.064-0.28
Vickers Hardness N/A
Thermal Expander (25 degC) 2.6 um*m -1 *K -1
Young’s Module 51-80 GPA

Silicon Nanoparticles Health & Safety Information

Sign Word Warning
Hazard Statements H228
Flashpoint Not applicable
Hazard Codes The following are some of the most effective ways to increase your chances of success:
Risk Codes 11
Safety Declarations 16-33-36
RTECS Number VW0400000
Transport Information UN 1346 4.1/PG
WGK Germany 2
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