MoSe2/二硒化钼

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￥8700

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MoSe2 (2H Molybdenum Diselenide)

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
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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.