GeS₂ Crystals

GeS₂ Crystals

GeS₂ is a layered chalcogenide material with a unique optical and electronic structure, making it highly suitable for applications in optoelectronics, photonics, and 2D material research. With its wide bandgap and excellent semiconducting properties, GeS₂ offers promising opportunities in energy conversion, sensing, and advanced materials studies.

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

Material Properties:
Layered Structure: Enables exfoliation into thin layers for 2D material applications. Wide Bandgap: 3.8 eV. Ideal for UV-visible range optical applications.
Semiconducting Properties: Exhibits excellent electronic and photonic behavior.
Thermal Stability: Maintains performance under controlled high-temperature conditions.

Crystal Structure:
Type: Orthorhombic layered structure
Features: Cleavable into thin layers for nanoscale studies.

Degree of Exfoliation:
Ease of Use: Easily exfoliated into monolayers or few-layer sheets for 2D research and advanced device fabrication.

Other Characteristics:
Optical Transparency: High optical absorption in UV-visible regions, suitable for photonic devices.
Chemical Stability: Maintains structural and electronic integrity under inert storage conditions. Energy

Applications: Promising material for photocatalysis and solar energy conversion.

Applications:
Optoelectronics:
Ideal for photodetectors, LEDs, and light-sensitive devices in the UV-visible range.
2D Material Studies:
Suitable for exfoliation into thin layers for van der Waals heterostructures. Energy Conversion:
Promising for solar cells and photocatalytic applications. Sensors:
High sensitivity to light and chemical changes, making it ideal for advanced sensing devices. Quantum Materials Research:
Enables studies of low-dimensional electronic and optical phenomena.

References:
Sung, Geon-Kyu, Ki-Joon Jeon, and Cheol-Min Park. “Highly reversible and superior Li-storage characteristics of layered GeS₂ and its amorphous composites.” ACS applied materials & interfaces 8.43 (2016): 29543-29550. Lin, Changgui, et al. “Second-harmonic generation in IR-transparent β-GeS 2 crystallized glasses.” Optics letters 34.4 (2009): 437-439. Durandurdu, Murat. “High-density amorphous phase of GeS 2 glass under pressure.” Physical Review B 79.20 (2009): 205202.