Description

Germanium Disulfide is an inorganic compound with the chemical formula GeS₂, known for its layered semiconductor properties. This material is crucial for advanced research and development in next-generation optoelectronic and photovoltaic technologies. It is primarily sought by manufacturers and R&D laboratories in the semiconductor, thin-film solar cell, and solid-state lithium battery sectors for its unique electronic characteristics.

Application

• Semiconductor Research: Investigated as a channel material for two-dimensional (2D) field-effect transistors (FETs) due to its suitable bandgap and high carrier mobility.
• Thin-Film Photovoltaics: Explored as a potential absorber layer in advanced solar cell architectures for its strong light absorption and tunable electronic properties.
• Solid-State Electrolytes: Studied for use in all-solid-state lithium-ion or lithium-sulfur batteries, where its ionic conductivity can be advantageous.
• Nonlinear Optics: Used in research for photonic devices that require materials with high nonlinear optical coefficients.
• Chemical Vapor Deposition (CVD) Precursor: Serves as a source material for the growth of high-purity germanium sulfide thin films and nanostructures.
• Anode Material Research: Evaluated for potential use in lithium-ion or sodium-ion battery anodes due to its high theoretical capacity.

Basic Information

Product Name	Germanium Disulfide
CAS No.	12025-34-2
Molecular Formula	GeS₂
Molecular Weight	136.77 g/mol
Synonyms	Germanium(IV) sulfide; Digermanium disulfide; Germanium disulphide; Germanium sulfide (GeS2); EINECS 234-706-4
EINECS	234-706-4

Quality Control

Our Germanium Disulfide is produced and handled under strict quality management protocols to ensure batch-to-batch consistency and high purity for research and development applications. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing key parameters such as purity, crystalline phase, and metallic impurity content. We support custom purity grades and specifications to meet the precise requirements of advanced material science and electronics research.

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 moisture-sensitive (hygroscopic) and should be handled under an inert atmosphere such as argon or nitrogen for long-term storage to prevent oxidation and hydrolysis.

Specification

Item	Specification
Appearance	Yellow to brown powder or crystalline solid
Identification (XRD)	Consistent with Germanium Disulfide phase
Purity (GeS₂)	≥ 99.9%
Purity (GeS₂) - High Grade	≥ 99.99%
Crystal Structure	Hexagonal / Amorphous (as specified)
Particle Size	Customizable (e.g., -100 mesh, -325 mesh)
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.