Description

Copper(I) Selenide (CAS NO 20405-64-5) is a critical inorganic compound of copper and selenium, valued for its unique semiconducting and optoelectronic properties. This material is essential for industries requiring precise control over electrical and photonic characteristics. It is primarily utilized in advanced material science, electronics manufacturing, and specialized chemical synthesis for research and development.

Application

• Manufacturing of thin-film solar cells and photovoltaic devices.
• Key component in thermoelectric materials for energy conversion and heat recovery systems.
• Used as a precursor or dopant material in semiconductor fabrication and nanotechnology.
• Essential for research and development in solid-state physics and materials science.
• Potential applications in photodetectors, sensors, and non-linear optical devices.
• Used in specialized catalysis and chemical synthesis processes.

Basic Information

Product Name	Copper(I) Selenide
CAS No.	20405-64-5
Molecular Formula	Cu2Se
Molecular Weight	206.05 g/mol
Synonyms	Cuprous Selenide; Dicopper Monoselenide; Copper Selenide (Cu2Se); Berzelianite (mineral); Copper(1+) Selenide; UNII-6I3K30563S; EINECS 243-796-7; NSC 51127
EINECS	243-796-7

Quality Control

Our Copper(I) Selenide is produced and tested under strict quality management protocols to ensure batch-to-batch consistency and high purity. We provide comprehensive Certificates of Analysis (COA) detailing key parameters such as purity, elemental composition, and particle size distribution. Our quality systems are designed to meet the rigorous demands of industrial and research applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Due to its nature of being easily oxidized, it is recommended to handle and store this material under an inert atmosphere (e.g., argon or nitrogen) for long-term preservation of quality. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Gray to black crystalline powder or lumps
Identification (XRD)	Conforms to Cu2Se structure
Assay (Cu2Se)	≥ 99.0%
Particle Size (D50)	Contact for details
Trace Metals (ICP-MS)	Contact for details

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