Description

Copper(I) sulfide (Cu2S) is a significant inorganic compound with the CAS registry number 11115-78-9, valued for its unique semiconducting and optoelectronic properties. This material is essential for industries requiring high-performance functional materials. It is primarily sought after by manufacturers and researchers in the semiconductor, photovoltaic, and advanced materials sectors.

Application

• Photovoltaic Cells: A key component in the fabrication of thin-film solar cells, particularly as a p-type absorber layer.
• Semiconductor Manufacturing: Used in the production of semiconductors and various electronic devices due to its favorable bandgap.
• Catalysis: Serves as a catalyst or catalyst precursor in certain organic synthesis and chemical processes.
• Lubricant Additive: Employed as a solid lubricant or an additive in high-temperature lubricating materials.
• Pigments & Coatings: Used in the formulation of specialized pigments and anti-fouling coatings.
• Research & Development: A crucial raw material for R&D in material science, exploring new superconductors and battery technologies.
• Thermoelectric Materials: Investigated for use in thermoelectric devices that convert heat into electrical energy.

Basic Information

Product Name	Copper(I) Sulfide
CAS No.	11115-78-9
Molecular Formula	Cu2S
Molecular Weight	159.16 g/mol
Synonyms	Cuprous Sulfide; Dicopper Monosulfide; Copper Monosulfide; Chalcocite (Mineral); Copper(1+) Sulfide; Copper Sulfide (Cu2S); Cu2S; Copper(I) Sulphide
EINECS	Contact for details

Quality Control

Our Copper(I) Sulfide 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) for every shipment, detailing key parameters such as assay, particle size distribution, and impurity profiles. Our quality system is designed to meet the exacting standards of advanced material and electronics manufacturing.

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 container should be kept sealed when not in use to minimize exposure to moisture and air.

Specification

Item	Specification
Appearance	Black to grayish-black powder or crystals
Identification (XRD)	Complies
Assay (Cu2S)	≥ 99.0%
Particle Size (D50)	Customizable (e.g., 1-10 µm)
Iron (Fe)	≤ 0.05%
Lead (Pb)	≤ 0.01%
Loss on Drying	≤ 0.5%

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