ReS2 (Rhenium Disulfide)

PtTe2 Platina Ditelluride ReS2 is a direct-bandgap semiconductor of ~1.35 eV. The layers are stacked together via van der Waals interactions and can be exfoliated into thin 2D layers. Rhenium Disulfide belongs to the group-VII transition metal dichalcogenides (TMDC). To buy ReS2 crystals please click here.

The ReS2 crystals produced at HQ Graphene typically look similar to a flower with a lateral size of ~-0.8 cm, where multiple single crystals resemble the petals and the appearance is dark metallic. We produce n-type ReS2, having a typical charge carrier density of ~1017cm-3 at room temperature. A selection of peer review publications on the ReS2 we sell can be found below.

ReS2 crystal properties
Crystal size ~8 mm
Electrical properties Semiconductor, n-type
Crystal structure Triclinic
Unit cell parameters a = 0.634, b = 0.640 nm, c = 0.645 nm, α = 106.74°, β = 119.03°, γ = 89.97°
Type Synthetic
Purity >99.995 %
Characterized by XRD, Raman, EDX, Hall measurement
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The single crystal ReS2 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 ReS2:

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X-ray diffraction on a ReS2 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 = 2, 4, 6, 8

Powder X-ray diffraction (XRD) of a single crystal ReS2. X-ray diffraction was performed at room temperature using a D8 Venture Bruker.

Stoichiometric analysis of a single crystal ReS2 by Energy-dispersive X-ray spectroscopy (EDX).

Raman spectrum of a single crystal ReS2. Measurement was performed with a 785 nm Raman system at room temperature.

HQ Graphene Wiki on:

ReS2 (Rhenium Disulfide)

1. Sangwan Sim et al.,"Selectively tunable optical Stark effect of anisotropic excitons in atomically thin ReS2", ANat. Comm. 7:13569 (2016), link to article:

2. Daniel A. Chenet et al., "In-Plane Anisotropy in Mono- and Few-Layer ReS2 Probed by Raman Spectroscopy and Scanning Transmission Electron Microscopy", Nanolett. 15 (9), 5667-5672 (2015), link to article:

3. Ozgur Burak Aslan et al., "Linearly Polarized Excitons in Single- and Few-Layer ReS2 Crystals", ACS Photonics, 2016, 3 (1), pp 96-101, link to article:


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