Description

Iododigermane is a specialized organogermanium compound of significant interest in advanced materials science and semiconductor research. This high-purity chemical serves as a critical precursor for the deposition of germanium-containing thin films via chemical vapor deposition (CVD) and atomic layer deposition (ALD) techniques. It is essential for researchers and manufacturers in the electronics, photovoltaics, and nanotechnology sectors who require precise control over material composition and properties at the atomic scale.

Application

• Semiconductor Manufacturing: As a key precursor for the CVD/ALD growth of germanium (Ge) and germanium-containing (e.g., SiGe, GeSn) thin films for next-generation transistors and microelectronics.
• Photovoltaics: Used in the development of high-efficiency multi-junction solar cells, where germanium layers act as substrates or active components.
• Optoelectronics: Enables the fabrication of germanium-based photodetectors, modulators, and other integrated photonic devices for telecommunications and sensing.
• Nanomaterials Synthesis: Serves as a germanium source for the controlled synthesis of germanium nanowires, quantum dots, and other nanostructures with tailored electronic properties.
• Research & Development: A vital reagent in academic and industrial R&D for exploring new germanium-based alloys, heterostructures, and two-dimensional materials.
• Catalysis: Investigated as a potential catalyst or catalyst precursor in specialized organic synthesis and polymerization reactions.

Basic Information

Product Name	Iododigermane
CAS No.	19021-93-3
Molecular Formula	Ge2H4I2
Molecular Weight	303.37 g/mol
Synonyms	Diiododigermane; Digermane, diiodo-; Iodogermane dimer; Dihydrodiiododigermane; Ge2H4I2; Diiododigermylene; Digermanium tetrahydride diiodide
EINECS	Contact for details

Quality Control

Our Iododigermane is produced and handled under stringent quality management protocols to ensure batch-to-batch consistency and high purity, essential for sensitive deposition processes. Each lot undergoes comprehensive analysis, including assay, impurity profiling, and stability testing. A Certificate of Analysis (COA) detailing specific results is provided with every shipment. We adhere to relevant industry standards and can support development under cGMP guidelines for advanced electronic applications.

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 compound is hygroscopic (moisture-sensitive) and should be handled under an inert atmosphere (e.g., nitrogen or argon) using appropriate Schlenk line or glovebox techniques to prevent decomposition.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (HPLC/GC)	≥ 95.0%
Germanium (Ge) Content	Contact for details
Iodine (I) Content	Contact for details
Major Impurities (GC-MS)	Specified on COA
Moisture (Karl Fischer)	< 100 ppm
Metallic Impurities (ICP-MS)	< 10 ppm total

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