Cu SiO2 core/shell Nanoparticles (Copper/Silica, Purity: 99.9%, APS: 80-100nm)

Cu SiO2 core/shell Nanoparticles

Applications

Optical and Photonic Applications:

Light Emitting Devices (LEDs): The strong luminescence of ZnS combined with the protective SiO₂ shell makes ZnS/SiO₂ core-shell nanoparticles suitable for use in high-performance LEDs, particularly for applications where high brightness and long-term stability are required.

Display Technology: ZnS/SiO₂ core-shell nanoparticles are used in the development of high-resolution displays, flat-panel displays, and OLEDs. The core-shell structure improves color purity and long-term reliability of the light-emitting materials.

Optical Sensors: Due to their fluorescent properties, ZnS/SiO₂ nanoparticles are utilized in optical sensors for detecting pH, temperature, chemical pollutants, or biological analytes. The SiO₂ shell helps enhance the sensor stability and selectivity.

Biomedical Imaging and Diagnostics:

Fluorescent Imaging: The fluorescent properties of ZnS make ZnS/SiO₂ nanoparticles ideal for bioimaging applications. The SiO₂ shell provides biocompatibility and surface functionalization capabilities, allowing for the attachment of targeting ligands or contrast agents.

Cell Imaging: These nanoparticles can be used for cellular imaging, where they provide non-toxic, stable fluorescence for tracking cells or monitoring biological processes.

Biosensors: The nanoparticles’ ability to emit light when exposed to specific wavelengths allows them to be used as biosensors for diagnostic assays, early disease detection, and pathogen identification. The SiO₂ shell protects the core and helps minimize non-specific binding.

Drug Delivery:

Targeted Drug Delivery: The biocompatible and functionalizable SiO₂ shell enables the attachment of drugs or therapeutic molecules to the ZnS/SiO₂ nanoparticles. These nanoparticles can be used in targeted drug delivery systems, where they deliver therapeutic agents to specific cells or tissues, improving treatment efficacy and reducing side effects.

Controlled Release: The ZnS/SiO₂ nanoparticles can be designed to release drugs in a controlled manner under certain conditions (e.g., pH-responsive release), making them useful for cancer therapy, gene delivery, and wound healing.

Environmental Remediation:

Pollution Detection and Cleanup: The ZnS/SiO₂ core-shell nanoparticles can be used in the detection and degradation of environmental pollutants, such as heavy metals or organic contaminants. The ZnS core can act as a photocatalyst when exposed to light, while the SiO₂ shell ensures the nanoparticles’ stability and reusability during remediation processes.

Water Purification: Due to their adsorptive properties, these nanoparticles are being explored for water treatment applications, where they can remove toxic substances, pathogens, or dyes from contaminated water.