SnSe2 (Tin Diselenide)
SnSe2 is a semiconductor having an indirect bandgap. The layers are stacked together via van der Waals interactions and can be exfoliated into thin 2D layers. Tin Diselenide belongs to the group-14 post-transition metal dichalcogenides.
To buy SnSe2 crystals please click here.
The SnSe2 crystals produced at HQ Graphene have a lateral size of ~0.8 cm and have a metallic appearance.
More information about the SnSe2 crystals we sell can be found below.
| Crystal size | ~8 mm |
| Electrical properties | Semiconductor |
| Crystal structure | Hexagonal |
| Unit cell parameters | a = b = 0.381, c = 0.614 nm, α = β = 90°, γ = 120° |
| Monolayer properties |  Link to C2DB containing calculated properties |
| Type | Synthetic |
| Purity | >99.995 % |
| Characterized by | XRD, Raman, EDX |
| More information? | Please contact us by email or phone |
The single crystal SnSe2 is characterized using:
XRD: single crystal and powder X-ray diffraction (D8 Venture Bruker and D8 Advance Bruker)EDX: Energy-dispersive X-ray spectroscopy for stoichiometric analysis
Raman: 785 nm Raman system
Raman, XRD and EDX on SnSe2:
Click on an image to zoom
HQ Graphene Wiki on:
SnSe2 (Tin Diselenide)
1. Xiao, P., et al. "Anisotropic thermal conductivity of crystalline layered SnSe2." Nano Letters 21.21 (2021): 9172-9179.
2. Abderrahmane, A., et al. "Low Power Consumption Gate-Tunable WSe2/SnSe2 van der Waals Tunnel Field-Effect Transistor." Electronics 11.5 (2022): 833.
3. Sun, Y., et al. "Highly sensitive infrared polarized photodetector enabled by out-of-plane PSN architecture composing of p-MoTe 2, semimetal-MoTe 2 and n-SnSe 2." Nano Research (2022): 1-8.
4. Pallecchi, I., et al. "Investigation and field effect tuning of thermoelectric properties of SnSe 2 flakes." Physical Review Materials 7.5 (2023): 054004.