Nickel Silver Core Shell Nanoparticles (Ni/Ag, 99.9%, APS: 80-100nm, Metal Core/Metal Shell)

Nickel Silver Core-Shell Nanoparticles

Introduction

Nickel Silver core-shell nanoparticles are composite nanomaterials consisting of a Nickel (Ni) core encapsulated by a thin layer of Silver (Ag). This core-shell structure combines the unique properties of both metals, resulting in nanoparticles with enhanced performance in a variety of applications, particularly in catalysis, electronics, biomedicine, and environmental remediation.

Core Components and Their Properties:

Nickel (Ni) Core:

Magnetic Properties: Nickel is a ferromagnetic material, and when used as the core in nanoparticles, it imparts magnetic properties to the overall structure. This makes Ni/Ag nanoparticles useful for magnetic separation, magnetic sensing, and drug delivery applications.

Electrochemical Properties: Nickel is highly effective in electrocatalysis and battery technologies due to its excellent electrical conductivity and affinity for electrochemical reactions. It is often used in hydrogenation, dehydrogenation, and batteries.

Catalytic Activity: Nickel exhibits good catalytic performance in various chemical reactions, including hydrogenation, oxidation, and CO2 reduction reactions.

Silver (Ag) Shell:

High Electrical Conductivity: Silver has the highest electrical conductivity of any metal, which improves the electrical performance of Ni/Ag nanoparticles in applications like electronics and sensors.

Antibacterial Properties: Silver is well known for its antibacterial and antiviral properties, which make Ni/Ag core-shell nanoparticles ideal for biomedical applications, including wound healing, medical devices, and antimicrobial coatings.

Optical Properties: Silver nanoparticles exhibit unique optical properties, such as surface plasmon resonance (SPR), which can be exploited in sensors, bioimaging, and photocatalysis.

Chemical Stability: The Silver shell acts as a protective barrier, preventing oxidation and corrosion of the Nickel core, which enhances the overall stability and durability of the nanoparticles.

Properties of Ni/Ag Core-Shell Nanoparticles:

Magnetic Properties:

The Nickel core imparts magnetic characteristics to the nanoparticles, which can be useful for magnetic separation in catalysis and environmental remediation. The magnetic properties also allow for magnetic targeting in drug delivery applications.

Electrical Conductivity:

The Silver shell enhances the electrical conductivity of the nanoparticles, making them highly suitable for applications in electronics, sensors, and supercapacitors.

Antibacterial and Antiviral Properties:

The Silver shell provides inherent antimicrobial properties, which can be used in biomedical devices (e.g., wound dressings, implants, and catheters) as well as antibacterial coatings for surfaces.