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MoSe2 (2H phase) is a semiconductor having an indirect band gap of ~1.1 eV. The layers are stacked together via van der Waals interactions and can be exfoliated into thin 2D layers. MoSe2 belongs to the group-VI transition metal dichalcogenides (TMDC). To buy MoSe2 crystals please click here.
The 2H phase Molybdenum Diselenide crystals produced at HQ Graphene have a typical lateral size of ~0.8-1 cm, are hexagonal shaped and have a metallic appearance. We produce both p-type and n-type MoSe2, having a typical charge carrier density of ~1015cm-3 at room temperature. A selection of peer review publications on the MoSe2 we sell can be found below.
Crystal size | ~10 mm |
Electrical properties | Semiconductor, p-type (n-type is also available) |
Crystal structure | hexagonal |
Unit cell parameters | a = b = 0.329 nm, c = 1.289 nm, α = β = 90°, γ = 120° |
Type | Synthetic |
Purity | >99.995 % |
Characterized by | XRD, Raman, EDX, Hall measurement |
More information? |
The single crystal MoSe2 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
Hall measurement: Extraction of charge carrier density and doping in the Van der Pauw geometry.
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