Description

Tin(IV) Selenide (SnSe2) is an advanced inorganic semiconductor compound with significant potential in next-generation electronic and optoelectronic applications. Its layered crystal structure and tunable bandgap make it a material of high interest for research and development in cutting-edge technologies. This product is essential for industries and research institutions focused on materials science, nanotechnology, and renewable energy solutions.

Application

• Thin-Film Photovoltaics: As a promising absorber layer in solar cells due to its suitable optical absorption properties.
• Thermoelectric Devices: For converting waste heat into electrical energy, leveraging its potential for high thermoelectric efficiency.
• Photodetectors & Sensors: In the fabrication of sensitive photodetectors and gas sensing devices.
• Nanoelectronics: As a 2D material for transistors, memory devices, and other nanoelectronic components.
• Catalysis Research: Investigated as a catalyst or catalyst support for various chemical reactions, including hydrogen evolution.
• Solid-State Lubricants: Utilizing its layered structure for low-friction coating applications.
• Academic & Industrial R&D: Serves as a high-purity precursor or model compound for fundamental materials research.

Basic Information

Product Name	Tin(IV) Selenide
CAS No.	20770-09-6
Molecular Formula	SnSe2
Molecular Weight	276.63 g/mol
Synonyms	Stannic Selenide; Tin Diselenide; Tin Selenide (SnSe2); Selenium Tin Alloy (SnSe2); Tin(4+) Selenide; Tin Tetraselenide; EINECS 244-045-4
EINECS	244-045-4

Quality Control

Our Tin(IV) Selenide is manufactured under controlled conditions to ensure batch-to-batch consistency and high purity. Each lot undergoes rigorous analytical testing, including X-ray diffraction (XRD) for phase identification and spectroscopic methods for elemental analysis. A Certificate of Analysis (COA) detailing purity, particle size, and other critical parameters is provided with every shipment to guarantee it meets your specific research or production requirements.

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., argon or nitrogen) for long-term storage to prevent oxidation and degradation.

Specification

Item	Specification
Appearance	Dark gray to black powder or crystals
Identification (XRD)	Consistent with SnSe2 phase
Purity (SnSe2)	≥ 99.9% (Metal basis)
Tin (Sn) Content	42.8 - 43.2 %
Selenium (Se) Content	56.8 - 57.2 %
Particle Size (D50)	< 10 µm (or as requested)
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.