Overview of Nanoparticles
Nano powder is also called nanoparticles, which generally refers to ultra-fine particles with a size between 1-100nm. Some people call it ultrafine particles. Its size is larger than atom clusters and smaller than ordinary particles. Calculated according to its size, assuming that each atom is 1 angstrom in size, it contains between 1000 and 1 billion atoms. Nanoparticles are smaller than normal biological cells and is about the size of a virus. The morphology of nanoparticles is spherical, plate, rod, horn, sponge, etc. The constituents of nanoparticles can be metals, oxides, or other various compounds.
Nano powder
Specifications of Nanoparticles
|
Property |
Typical Value |
|---|---|
|
Composition |
Varies (e.g., metal, oxide) |
|
Particle Size |
1-100 nm |
|
Shape |
Spheres, rods, plates, etc. |
|
Surface Area |
High (often >50 m²/g) |
|
Purity |
≥99.0% |
|
Crystallinity |
Amorphous or crystalline |
|
Stability |
Stable under specific conditions |
|
Solubility |
Varies by material |
|
Zeta Potential |
Depends on surface charge |
|
Storage Conditions |
Store in a cool, dry place away from light |
Applications of Nanoparticles
Applications of Nanoparticles
Nanoparticles are being used in many applications to improve the environment. For instance, photocatalytic copper tungsten oxide nanoparticles are being tested to break down oil into biodegradable compounds. The nanoparticles are placed in a grid to provide high surface area for the reaction. Nanotechnology is being used by many manufacturers to develop products with better capabilities or to lower production costs.
Nanoparticles are widely used as catalysts in chemical and petrochemical industries, where their extremely high surface-to-volume ratio significantly enhances reaction efficiency and selectivity, such as in petroleum cracking and automobile catalytic converters.
In biomedical fields, magnetic nanoparticles (e.g., Fe₃O₄) are employed for targeted drug delivery and hyperthermia cancer therapy, where they are guided by external magnetic fields to tumor sites for localized treatment with reduced side effects.
Silver and copper nanoparticles exhibit strong antimicrobial properties, making them ideal additives for wound dressings, medical device coatings, food packaging, and water purification systems.
In energy storage and conversion, nanoparticles such as nano-silicon and nano-titanium dioxide are used to improve the performance of lithium-ion battery anodes and dye-sensitized solar cells, enhancing capacity, cycling stability, and light absorption efficiency.
In environmental applications, photocatalytic nanoparticles like nano-TiO₂ and nano-ZnO are utilized for degrading organic pollutants in wastewater and purifying air by breaking down harmful volatile organic compounds under UV or visible light.
Trunnano Warehouse
Company Profile
Luoyang Trunnano Tech Co., Ltd provide high purity silicon nanoparticles, iron nanoparticles, copper nanoparticles, cobalt nanoparticles, tungsten nanoparticles, silicon dioxide nanopartilces, zirconium dioxide nanoparticles, aluminum oxide nanoparticles and other ultrafine materials. Send us an email or click on the needed products to send an inquiry.
Payment Term:
Credit Card, T/T, Western Union, Paypal etc.
Shipment Term:
By air, by courier, by sea, as customers request.
Storage conditions:
1) Store in a dry environment at room temperature.
2) Avoid damp and high temperature.
3) Use immediately after opening the inner packing bag.
5 FAQs of Nanoparticles Materials
What are the main applications of nanoparticles?
Nanoparticles find applications in various fields including medicine (drug delivery, imaging), electronics (nanoelectronics, sensors), energy (batteries, solar cells), and environmental remediation (pollutant degradation). They are also used in cosmetics and as catalysts.
How do you measure the size and shape of nanoparticles?
Techniques such as Transmission Electron Microscopy (TEM), Scanning Electron Microscopy (SEM), and Dynamic Light Scattering (DLS) are commonly used to measure the size and shape of nanoparticles. These methods provide detailed information about particle morphology and distribution.
Are nanoparticles safe to use in consumer products?
The safety of nanoparticles depends on their type, concentration, and how they are used. Regulatory bodies often require thorough testing to ensure their safety in consumer products. It's important to follow guidelines and conduct risk assessments before incorporating nanoparticles into products.
Can nanoparticles be functionalized?
Yes, nanoparticles can be functionalized to improve their properties or to achieve specific functionalities. Functionalization typically involves attaching molecules or other nanoparticles to the surface of the nanoparticles to enhance solubility, stability, or reactivity.
What factors affect the stability of nanoparticles?
Several factors can influence the stability of nanoparticles, including their size, shape, surface charge, and environment (pH, temperature, presence of salts, etc.). Proper stabilization techniques, such as coating with surfactants or polymers, can help maintain nanoparticle stability during storage and use.
