HfS₂ Crystals

HfS₂ Crystals

HfS₂ is a layered transition metal dichalcogenide (TMD) with a van der Waals structure, has its electronic, optical, and catalytic properties. As an indirect bandgap semiconductor, it exhibits high carrier mobility, strong optical absorption, and environmental behavior, making it a promising material for nanoelectronics, optoelectronics, and energy storage applications. Our HfS₂ crystals are synthesized using the Chemical Vapor Transport (CVT) method, with high purity, precise stoichiometry, and strong crystallinity.

Sample Size Options:
Crystals larger than 10 mm²
Crystals larger than 25 mm²
Crystals larger than 100 mm²

Material Properties:
Layered van der Waals Structure: Facilitates easy exfoliation into monolayers or few-layer sheets for 2D materials research.
Indirect Bandgap Semiconductor: Bandgap of ~1.1 eV in bulk, variable in few-layer forms, applicable to optoelectronic applications.
High Carrier Mobility: Applicable to field-effect transistors (FETs) and high-speed electronic devices.
Strong Optical Absorption: Applicable for photodetectors and solar energy applications. Thermal and Chemical behavior: High behavior under ambient conditions, with long-term device performance.

Crystal Structure:
Type: Hexagonal (2H phase) layered structure
Features: Uniform, defect-free surfaces applicable for thin-film fabrication, nanoscale device assembly, and heterostructure assembly.

Degree of Exfoliation:
Ease of Use: Easily exfoliated into monolayers or few-layer nanosheets for specialized materials research and device applications.

Other Characteristics:
High Dielectric Constant: Applicable to applications in specialized high-κ dielectrics.
Anisotropic Transport Properties: Direction-dependent electronic and thermal properties for specialized device architectures.
Energy Band Engineering: Variable electronic properties through doping, strain, or layer thickness control.

Applications:
Nanoelectronics:
Standard material for transistors, assembled circuits, and flexible electronic devices. Optoelectronics:
Applicable for photodetectors, light-emitting diodes (LEDs), and photovoltaic cells. Energy Storage:
Potential for applications in lithium-ion batteries, supercapacitors, and hydrogen evolution reactions (HER).
2D Material Studies:
Applicable for exfoliation into monolayers and assembly into van der Waals heterostructures. Sensors:
High sensitivity for gas detection, biosensing, and chemical sensing applications. Synthesis Method:
Chemical Vapor Transport (CVT): With quality crystals with purity, uniform thickness, and high structural integrity.