Description

Bismuth Selenide (CAS NO 12068-69-8) is an inorganic compound of significant interest in advanced material science and electronics. Its unique thermoelectric and semiconducting properties make it a critical material for next-generation energy conversion and electronic devices. This high-purity compound is essential for researchers and manufacturers in the fields of thermoelectric materials, photovoltaics, and infrared detectors.

Application

• Thermoelectric Materials: A key component in the fabrication of high-efficiency thermoelectric generators and coolers for waste heat recovery and solid-state refrigeration.
• Semiconductor Research: Used in the development of novel semiconductor devices, including topological insulators and quantum materials.
• Photovoltaic Cells: Investigated as a potential absorber layer in thin-film solar cells due to its favorable optical and electronic properties.
• Infrared (IR) Detection: Employed in the production of sensitive IR detectors and sensors for security, imaging, and spectroscopic applications.
• Nanotechnology: Serves as a precursor for synthesizing bismuth selenide (Bi2Se3) nanostructures like nanowires and nanosheets.
• Catalysis: Explored as a catalyst or catalyst support in various chemical synthesis processes.

Basic Information

Product Name	Bismuth Selenide
CAS No.	12068-69-8
Molecular Formula	Bi2Se3
Molecular Weight	654.84 g/mol
Synonyms	Bismuth(III) Selenide; Dibismuth Triselenide; Bismuth Selenide (Bi2Se3); Bismuth Sesquiselenide; Bismuth Terselenide; EINECS 235-104-7; Bismuth Selenide Black; Bismuth Selenide Powder
EINECS	235-104-7

Quality Control

Our Bismuth Selenide is produced under stringent quality management protocols. Each batch undergoes comprehensive analytical testing to ensure high chemical purity, precise stoichiometry, and controlled particle size distribution. Certificates of Analysis (COA) detailing purity, metallic impurities, and physical characteristics are provided with every shipment to guarantee batch-to-batch consistency for your R&D and production needs.

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). Keep away from incompatible materials such as strong acids and strong oxidizing agents. The product is moisture-sensitive; ensure containers are sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Dark gray to black powder
Identification (XRD)	Conforms to Bi2Se3 structure
Assay (Bi2Se3)	≥ 99.9%
Particle Size (D50)	< 10 µm (or as requested)
Metallic Impurities (ICP-MS)	< 100 ppm total
Oxygen Content	< 0.5%

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