Description

Dierbium Triselenide is a high-purity inorganic compound belonging to the rare earth selenide family. This material is valued for its distinct semiconducting and thermoelectric properties, making it a critical component in advanced material science and electronics research. It is primarily utilized by manufacturers and R&D laboratories in the fields of solid-state physics, optoelectronics, and nanotechnology for developing next-generation devices.

Application

• Research and development of novel thermoelectric materials for energy harvesting and conversion.
• Fabrication of specialized semiconductor devices and thin-film components.
• As a precursor or dopant material in the synthesis of advanced optical and electronic ceramics.
• Fundamental studies in solid-state chemistry and condensed matter physics.
• Potential use in infrared (IR) optical applications and sensors.
• Component in experimental catalytic systems for specialized chemical processes.

Basic Information

Product Name	Dierbium Triselenide
CAS No.	12020-38-1
Molecular Formula	Db2Se3
Molecular Weight	Contact for details
Synonyms	Dierbium selenide; Dibarium triselenide; Rare earth selenide (Db2Se3); Selenodierbium; EINECS 234-642-7; DBSE
EINECS	234-642-7

Quality Control

Our Dierbium Triselenide is produced and handled under strict quality management protocols to ensure batch-to-batch consistency and high purity. All materials undergo rigorous analytical testing, including X-ray diffraction (XRD) for phase identification and elemental analysis. A Certificate of Analysis (COA) detailing purity, physical characteristics, and trace metal content is provided with each shipment to support your quality assurance requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and 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. Keep away from strong acids and strong oxidizing agents.

Specification

Item	Specification
Appearance	Dark crystalline solid or powder
Identification (XRD)	Conforms to Db2Se3 phase
Purity (Db2Se3 basis)	≥ 99.9% (99.99% available)
Trace Metals (ICP-MS)	≤ 100 ppm total
Particle Size (D50)	Customizable (e.g., 1-10 µm, 45 µm mesh)
Loss on Drying	≤ 0.5%

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