Silver Silica Core Shell Nanoparticles

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Product Details:

Melting Point Not applicable for composite nanoparticles
Refractive Rate Depends on composition, typically 1.40-1.60
Smell Odorless
Other Names Ag@SiO2 Nanoparticles, Silver coated silica nanoparticles
Structural Formula Core-shell architecture (Ag core, SiO2 shell)
Molecular Formula Ag@SiO2
Poisonous Yes
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Silver Silica Core Shell Nanoparticles Product Specifications

Molecular Weight Variable, dependent on core and shell size
Solubility Insoluble in water, dispersible in organic solvents
Ph Level Neutral (typically pH 7)
Standard Conforms to nanomaterial handling guidelines
Storage Store in cool, dry place; avoid direct sunlight
Taste Odorless and tasteless
Type Core-shell nanoparticles
Shape Spherical
Purity >=99%
HS Code 28439090
Chemical Name Silver Silica Core Shell Nanoparticles
Smell Odorless
Other Names Ag@SiO2 Nanoparticles, Silver coated silica nanoparticles
Density 3.5 Gram per cubic centimeter(g/cm3)
Main Material Silver (Ag) and Silica (SiO2)
Poisonous Yes
Molecular Formula Ag@SiO2
Structural Formula Core-shell architecture (Ag core, SiO2 shell)
Application Catalysts, sensors, biomedical imaging, electronics, antibacterial coatings
Form Powder, suspension
Melting Point Not applicable for composite nanoparticles
Usage Research, material development, nano-coatings
Grade High purity, research grade
Refractive Rate Depends on composition, typically 1.40-1.60
EINECS No 231-131-3 (Silver), 231-545-4 (Silica)
Classification Engineered nanomaterial
CAS No 7440-22-4 (Silver), 7631-86-9 (Silica)

Silver Silica Core Shell Nanoparticles Trade Information

Payment Terms Paypal, Letter of Credit (L/C), Telegraphic Transfer (T/T), Cash in Advance (CID), Cheque
Main Domestic Market All India

Product Description

Silver Silica Core Shell Nanoparticles

MF: Ag/SiO2
Chemical Name: Silver Silica Core Shell Nanoparticles
Purity: > 99.99%
APS: 80-100 nm (Size Customization possible)
Form: Nanopowder
Product Number: NCZCS124
CAS Number: 7440-22-4 / 7631-86-9

Advanced Core-Shell Nanostructure

Each nanoparticle consists of a silver (Ag) core and a silica (SiO2) shell, manufactured by sol-gel and colloidal methods to ensure high quality and consistency. The shell can be functionalized with groups like amino or hydroxyl for tailored applications, adding to the products versatility and performance.

Customizable for Specific Applications

Particle size, shell functionality, and zeta potential are all adjustable based on user requirements. This flexibility supports custom research and enhances efficacy in catalysis, antibacterial coatings, sensors, and electronics. Customers can request specific dispersibility or stability features for optimal compatibility.

Safe Handling and Storage Guidelines

Supplied as powders or suspensions in sealed bottles or vials, these nanoparticles must be stored in a cool, dry place, away from direct sunlight. The material is non-toxic when used appropriately, conforms to nanomaterial guidelines, and exhibits a 12-24 month shelf life under recommended conditions.

FAQs of Silver Silica Core Shell Nanoparticles:

Q: How are Silver Silica Core Shell Nanoparticles synthesized?

A: These nanoparticles are typically produced via sol-gel synthesis and colloidal methods, which involve forming a silver core followed by coating with a silica shell. This approach provides precise control over particle size and shell thickness.

Q: What are the main benefits of using Ag@SiO2 nanoparticles in research and industry?

A: They combine the unique optical, electrical, and antibacterial properties of silver with the chemical stability and surface functionality of silica, making them valuable for catalysts, sensors, biomedical imaging, nano-coatings, and advanced electronics.

Q: When should I request surface modification or adjustable zeta potential?

A: Surface modification (e.g., amino or hydroxyl groups) and specific zeta potential adjustments are recommended when your application requires enhanced compatibility with particular biological, chemical, or material environments, such as targeted drug delivery or improved dispersion in certain solvents.

Q: Where can these nanoparticles be dispersed and what are their solubility properties?

A: They display excellent dispersibility in organic solvents like ethanol and isopropanol but are insoluble in water. This makes them ideal for formulations where solvent compatibility is critical.

Q: What is the recommended process for storing Silver Silica Core Shell Nanoparticles?

A: Store the nanoparticles in sealed bottles or vialsargon-filled if necessaryin a cool, dry place, avoiding direct sunlight to maintain their stability and extend shelf life (12-24 months under these conditions).

Q: How do these nanoparticles contribute to antibacterial coatings?

A: The silver core provides significant antibacterial activity, while the silica shell enhances stability and allows for extra surface functionalization, making the composite especially effective and durable in coating applications.

Q: What safety considerations should be taken when handling these nanoparticles?

A: While non-toxic under recommended conditions, always handle with care and in accordance with nanomaterial guidelines. Use appropriate personal protective equipment and avoid inhalation or direct contact to minimize exposure risks.

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