Description

Silver Selenide (Ag2Se) is an inorganic semiconductor compound with significant thermoelectric and optoelectronic properties. This material is valued for its narrow bandgap and unique phase transition behavior, making it a critical component in advanced material science and device engineering. It is primarily utilized by researchers and manufacturers in the electronics, photonics, and energy sectors for developing next-generation sensors, thermoelectric modules, and photovoltaic devices.

Application

• Thermoelectric Materials: A key component in the fabrication of high-performance thermoelectric generators and coolers for waste heat recovery and precise temperature control systems.
• Photodetectors & Sensors: Used in the production of infrared (IR) and near-infrared (NIR) photodetectors, optical sensors, and imaging devices due to its sensitive photoconductive properties.
• Phase-Change Memory: Investigated for use in non-volatile memory devices, leveraging its reversible phase transition between semiconductor and metallic states for data storage.
• Photovoltaic Research: Serves as an absorber layer in thin-film solar cell research and development for enhancing light absorption efficiency.
• Nanomaterial Synthesis: A precursor for synthesizing silver selenide nanoparticles and quantum dots with tunable optical properties for biomedical imaging and labeling.
• Solid-State Ionics: Studied for its superionic conductivity at elevated temperatures, relevant for solid electrolyte applications in batteries and fuel cells.
• Catalysis: Employed as a catalyst or catalyst support in specific organic synthesis and photocatalytic reactions.

Basic Information

Product Name	Silver Selenide
CAS No.	1302-09-6
Molecular Formula	Ag2Se
Molecular Weight	294.70 g/mol
Synonyms	Disilver selenide; Silver(I) selenide; Argentous selenide; Selenious acid, disilver salt; Berzelianite (mineral); Ag2Se; Silver monoselenide
EINECS	215-099-8

Quality Control

Our Silver Selenide is produced and tested under stringent 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, phase composition, and particle size distribution. Our quality systems are designed to meet the rigorous demands of research and industrial applications, ensuring reliable performance in your formulations and processes.

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 light-sensitive (store away from light) and should be kept under an inert atmosphere such as argon or nitrogen to prevent surface oxidation. Keep away from strong acids and strong oxidizing agents.

Specification

Item	Specification
Appearance	Gray to black crystalline powder
Identification (XRD)	Complies (Ag2Se phase)
Assay (Ag2Se)	≥ 99.9%
Silver (Ag) Content	73.0 - 73.5 %
Selenium (Se) Content	26.5 - 27.0 %
Particle Size (D50)	< 10 µm (or as specified)
Trace Metals (ICP-MS)	< 100 ppm total

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