Description

Terbium Selenide is an inorganic compound belonging to the rare earth chalcogenide family. This material is valued for its distinct electronic and magnetic properties, which are critical for advanced technological applications. It is primarily utilized in research and development sectors focused on novel materials, including the semiconductor and optoelectronics industries. The compound is identified by CAS No. 12039-51-9.

Application

• Semiconductor Research: Investigated as a potential component in thin-film transistors and other semiconductor devices due to its specific bandgap properties.
• Optoelectronic Materials: Used in research for developing infrared detectors, photoconductive cells, and other light-sensitive devices.
• Magnetic Studies: Serves as a model compound in solid-state physics for studying magnetic ordering and magneto-optical effects in rare earth systems.
• Thermoelectric Materials: Explored for its potential in thermoelectric energy conversion applications, where its Seebeck coefficient and electrical conductivity are of interest.
• Catalysis Research: Employed as a catalyst or catalyst precursor in specialized chemical synthesis and catalytic processes under investigation.
• Advanced Ceramics: Incorporated into specialty ceramics and composites to modify electrical or thermal properties.

Basic Information

Product Name	Terbium Selenide
CAS No.	12039-51-9
Molecular Formula	Tb2Se3
Molecular Weight	586.78 g/mol (for Tb2Se3)
Synonyms	Diterbium triselenide; Terbium(III) selenide; Terbium sesquiselenide; Tb2Se3; Terbium selenide (Tb2Se3); Rare earth selenide; Terbium tri-selenide
EINECS	Contact for details

Quality Control

Our Terbium Selenide is produced and handled under controlled conditions to ensure batch-to-batch consistency and high purity. Quality is verified through advanced analytical techniques, including X-ray diffraction (XRD) for phase identification and inductively coupled plasma (ICP) analysis for elemental composition and impurity profiling. A Certificate of Analysis (COA) detailing specific lot results is provided with each shipment to guarantee compliance with your research or production specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area. This material is moisture-sensitive (hygroscopic) and should be handled under an inert atmosphere such as argon or nitrogen to prevent oxidation and degradation. Long-term storage recommendations are available upon request.

Specification

Item	Specification
Appearance	Dark crystalline powder or lumps
Identification (XRD)	Conforms to standard pattern for Tb2Se3
Purity (Tb2Se3 basis)	≥ 99.9% (99.99% and 99.999% available)
Terbium (Tb) Content	≥ 54.0%
Trace Metals Analysis (ICP)	< 1000 ppm total
Particle Size	Customizable (-100 mesh, -325 mesh, etc.)

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