Description

Hafnium Selenide (CAS NO 12162-21-9) is an inorganic compound belonging to the class of transition metal chalcogenides, known for its distinct layered structure and semiconducting properties. This material is of significant interest for advanced research and development in next-generation electronics and optoelectronics. It is primarily utilized by industries and research institutions focused on nanotechnology, solid-state physics, and materials science for developing novel devices.

Application

• Research and development of two-dimensional (2D) van der Waals materials and heterostructures.
• Fabrication of nano-electronic components, including field-effect transistors (FETs).
• Investigation of optoelectronic properties for potential use in photodetectors and sensors.
• Fundamental studies in condensed matter physics, such as charge density waves and superconductivity.
• As a precursor or target material in physical vapor deposition (PVD) processes.
• Exploratory use in energy storage and conversion systems, including battery electrodes.

Basic Information

Product Name	Hafnium Selenide
CAS No.	12162-21-9
Molecular Formula	HfSe2
Molecular Weight	336.41 g/mol
Synonyms	Hafnium(IV) selenide; Hafnium diselenide; Dihafnium triselenide; Hafnium selenide (HfSe2); Selenoxohafnium; Hafnium selenide powder; Hafnium selenium compound
EINECS	Contact for details

Quality Control

Our Hafnium Selenide is produced and handled under controlled conditions to ensure batch-to-batch consistency and high purity. Each lot undergoes rigorous analytical testing, which may include X-ray diffraction (XRD) for phase identification and spectroscopic methods for elemental analysis. Certificates of Analysis (COA) detailing specific lot parameters are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, 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) to prevent oxidation and degradation.

Specification

Item	Specification
Appearance	Dark gray to black powder or crystals
Identification (XRD)	Consistent with HfSe2 phase
Purity (HfSe2 basis)	≥ 99.9% (99.99% and 99.999% grades available)
Particle Size	Customizable (e.g., -100 mesh, -325 mesh, micronized)
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.