ReSe2 (Rhenium Diselenide)

ReSe2 Rhenium Diselenide ReSe2 is a semiconductor (~1.1 eV). The layers are stacked together via van der Waals interactions and can be exfoliated into thin 2D layers. Rhenium Diselenide belongs to the group-VII transition metal dichalcogenides (TMDC). To buy ReSe2 crystals please click here.

The ReSe2 crystals produced at HQ Graphene have triangular shapes and a metallic appearance. We produce n-type ReSe2, having a typical charge carrier density of ~1016cm-3 at room temperature. A selection of peer review publications on the ReSe2 crystals we sell can be found below.

ReSe2 crystal properties
Crystal size ~8 mm
Electrical properties Semiconductor, n-type
Crystal structure Triclinic
Unit cell parameters a = 0.658 nm, b = 0.670 nm, c = 0.672 nm, α = 91.75°, β = 105°, γ = 118.9°
Type Synthetic
Purity >99.995 %
Characterized by XRD, Raman, EDX, Hall measurement
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The single crystal ReSe2 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.

Raman, XRD and EDX on ReSe2:

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X-ray diffraction on a ReSe2 single crystal aligned along the (001) plane. XRD was performed at room temperature using a D8 Venture Bruker. The 5 XRD peaks correspond, from left to right, to (00l) with l = 1, 2, 3, 4, 5

Powder X-ray diffraction (XRD) of a single crystal . X-ray diffraction was performed at room temperature using a D8 Venture Bruker.

Stoichiometric analysis of a single crystal by Energy-dispersive X-ray spectroscopy (EDX).

Raman spectrum of a single crystal . Measurement was performed with a 785 nm Raman system at room temperature.

HQ Graphene Wiki on:

ReSe2 (Rhenium Diselenide)

1. Yao, Y., et al. "The energy band structure analysis and 2 μm Q-switched laser application of layered rhenium diselenide." RSC advances 9.25 (2019): 14417-14421.

2. Aftab, S., et al. "ReSe2/metal interface for hydrogen gas sensing." Journal of Colloid and Interface Science 603 (2021): 511-517.

3. Choi, Y., et al. "Complete determination of the crystallographic orientation of ReX 2 (X= S, Se) by polarized Raman spectroscopy." Nanoscale Horizons 5.2 (2020): 308-315.


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