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. Chris M. Corbet et al., "Improved contact resistance in ReSe2 thin film field-effect transistors", AAPL 108, 162104 (2016), link to article:
http://scitation.aip.org/content/aip/journal/apl/108/16/10.1063/1.4947468

Company

HQ Graphene is a company registered in The Netherlands, Europe under the number KVK 59652233.

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