Description

Copper Indium Selenide (CuInSe₂) is a high-purity, inorganic compound belonging to the I-III-VI₂ semiconductor family. This material is critically important for its exceptional optoelectronic properties, including a direct bandgap and high absorption coefficient. It is primarily sought by manufacturers and research institutions in the photovoltaic, semiconductor, and advanced materials sectors for developing next-generation thin-film devices.

Application

• Thin-Film Solar Cells (CIGS): As the foundational absorber layer in Copper Indium Gallium Selenide (CIGS) photovoltaic modules.
• Photodetectors & Sensors: For manufacturing high-sensitivity infrared (IR) detectors and radiation sensors.
• Semiconductor Research: Serving as a precursor or target material for sputtering in the study of novel ternary and quaternary semiconductor compounds.
• Nanomaterial Synthesis: Used in the production of quantum dots and nanocrystals for advanced optoelectronic applications.
• Thermoelectric Devices: Explored for its potential in converting waste heat to electrical energy due to favorable charge carrier transport properties.

Basic Information

Product Name	Copper Indium Selenide
CAS No.	12018-95-0
Molecular Formula	CuInSe₂
Molecular Weight	336.29 g/mol
Synonyms	CuInSe₂; Copper(I) indium(III) selenide; Indium copper selenide; CIS; Copper indium diselenide; CIGS precursor; I-III-VI semiconductor
EINECS	234-624-9

Quality Control

Our Copper Indium Selenide is produced and tested under stringent quality management protocols to ensure batch-to-batch consistency and high performance. We provide comprehensive Certificates of Analysis (COA) detailing purity, phase composition, and particle size distribution. Our quality systems are designed to meet the exacting requirements of advanced materials manufacturing and R&D.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This material is moisture-sensitive (hygroscopic) and should be handled under an inert atmosphere (e.g., nitrogen or argon) for long-term storage to prevent oxidation and maintain purity.

Specification

Item	Specification
Appearance	Black powder or crystalline pieces
Identification (XRD)	Matches reference pattern for Chalcopyrite phase (CuInSe₂)
Purity (Elemental Analysis)	≥ 99.99% (4N) / ≥ 99.999% (5N) available
Copper (Cu) Content	22.0 - 23.5 %
Indium (In) Content	33.0 - 34.5 %
Selenium (Se) Content	Balance
Particle Size (D50)	Customizable (e.g., 1-10 µm, 10-50 µm)
Trace Metals (ICP-MS)	< 10 ppm total

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