Description

Lanthanum Selenide is an inorganic compound belonging to the rare earth chalcogenide family. This material is valued for its distinct semiconducting and thermoelectric properties, making it a critical component in advanced material science and electronics. It is primarily utilized by researchers and manufacturers in the fields of solid-state physics, optoelectronics, and energy conversion technologies.

Application

• Thermoelectric Materials: Used in the research and development of high-efficiency thermoelectric generators and coolers due to its favorable charge carrier transport properties.
• Semiconductor Research: Serves as a precursor or dopant material in the fabrication of specialized semiconductor devices and thin films.
• Optoelectronic Components: Investigated for use in infrared detectors, photoconductive cells, and other light-sensitive electronic applications.
• Catalysis: Acts as a catalyst or catalyst support in certain chemical synthesis and hydrogenation reactions.
• Solid-State Physics Studies: Employed as a model compound in academic and industrial research to study magnetic, electrical, and structural properties of rare earth materials.
• Phosphors and Luminescent Materials: Explored for potential use in creating specialized phosphors for displays and lighting.

Basic Information

Product Name	Lanthanum Selenide
CAS No.	12031-51-5
Molecular Formula	La2Se3
Molecular Weight	637.70 g/mol
Synonyms	Dilanthanum triselenide; Lanthanum(III) selenide; Lanthanum sesquiselenide; Selenolanthanum; Lanthanum selenide (La2Se3); Rare earth selenide
EINECS	234-746-9

Quality Control

Our Lanthanum Selenide is produced and handled under strict quality management protocols. Each batch undergoes comprehensive analysis to ensure consistency and meets high-purity standards suitable for research and industrial applications. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This material is moisture-sensitive (hygroscopic) and should be handled under an inert atmosphere such as argon or nitrogen to prevent oxidation and degradation.

Specification

Item	Specification
Appearance	Dark gray to black powder or crystals
Identification (XRD)	Conforms to structure
Purity (La2Se3 basis)	≥ 99.9% (99.99% available)
Trace Metal Impurities (ICP-MS)	< 100 ppm total
Oxygen Content	< 0.5%
Particle Size (D50)	Customizable (e.g., 1-10 µm)

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.