Lanthanum Fluorine Europium Lanthanum Fluorine Core Shell Nanoparticles (LaF₃/ Eu_0.2La_o.8F₃, 99.9%, APS: 80-100nm, Lanthanide Inorganic)

Lanthanum Fluorine Europium Lanthanum Fluorine Core-Shell Nanoparticles

Lanthanum fluorine europium lanthanum fluorine core-shell nanoparticles that combine the unique optical and magnetic properties of lanthanum fluoride (LaF₃) with the photoluminescent characteristics of europium (Eu³⁺). In this core-shell structure, LaF₃ serves as the core material, while Europium ions (Eu³⁺) are doped or integrated into the shell or surface layer. This composite architecture enables the combination of high chemical stability, photoluminescence, and biocompatibility, making LaF₃

core-shell nanoparticles highly versatile for a range of applications in biomedicine, sensing, imaging, and optical technologies.

Lanthanum Fluoride Core (LaF₃): LaF₃ is a rare-earth fluoride compound known for its high stability, insulating properties, and ability to support the incorporation of lanthanide ions like europium (Eu³⁺) in its lattice. LaF₃ nanoparticles exhibit good thermal stability, chemical resistance, and can be synthesized with controlled size and shape, which enhances their suitability for various applications.

The combination of LaF₃’s stability and Europium’s luminescence creates a material with excellent optical performance, chemical robustness, and tailored surface properties that are highly sought after for a variety of advanced applications.

Properties of LaF₃

Core-Shell Nanoparticles

Photoluminescent Properties:

Europium Doping: The incorporation of Eu³⁺ ions in LaF₃ nanoparticles produces intense red emission upon excitation by UV or visible light. The long-lived excited states of Eu³⁺ ions lead to a sharp emission peak, typically around 612 nm (red), making these nanoparticles highly useful for fluorescence imaging and sensing.

Stability of Emission: The emission from Eu³⁺ is stable over time, making it suitable for long-duration imaging or tracking in biological and environmental systems.

High Chemical and Thermal Stability:

Lanthanum Fluoride Core: LaF₃ has excellent chemical resistance and is thermally stable even at high temperatures. This provides the core-shell nanoparticles with high stability in harsh environments, making them suitable for use in applications where other materials might degrade.

Biocompatibility:

Lanthanum Fluoride is considered biocompatible, meaning these nanoparticles can be safely used in biological environments. Additionally, their surface can be functionalized to enhance biological interactions, making them useful in biomedical applications such as drug delivery, imaging, and biosensing.

Controlled Size and Morphology:

The synthesis of LaF₃

nanoparticles allows for precise control over size, shape, and surface characteristics, which can significantly affect their optical properties, biological interactions, and application performance. Nanoparticles with smaller sizes typically exhibit better penetration in biological tissues, higher surface-area-to-volume ratios, and increased luminescence efficiency.