Pricing

Size	Product code	Size description*	Quantity (EA)	Price
Small	M2139A10	>10 mm2	1	£396.00
Medium	M2139A25	>25 mm2	1	£637.00

*typical representative size, areas/dimensions may vary

General Information

CAS number	12038-63-0
Chemical formula	ReS2
Molecular weight	250.34 g/mol
Bandgap	~ 1.35 eV (direct)
Synonyms	Rhenium sulphide, Bis(sulfanylidene)rhenium
Classification / Family	Transition metal dichalcogenides (TMDCs), 2D semiconductor materials, Nano-electronics, Nano-photonics, Photovoltaic, Materials science

Product Details

Form	Single Crystal
Preparation	Synthetic - Chemical Vapour Transport (CVT)
Purity	≥ 99.999%
Structure	‎Triclinic
Electronic properties	2D semiconductor
Melting point	n/a
Appearance	Black crystals

General Description

Rhenium disulfide (ReS₂) is a 2D layered semiconductor. ReS₂ unit cell is derived from hexagonal symmetry towards triclinic - a distorted 1T structure. An ReS₂ single layer is comprised of three atomic layers, 'S–Re–S', where Re and S are joined by covalent bonds and each rhenium is coordinated to six sulfur atoms in approximately octahedral geometry. Each sulfur atom is bonded to three Re atoms. Each Re atom also groups into parallelograms of four Re atoms, hence offering opportunities to introduce built-in planar anisotropy into composite heterostructures. 

Like other 2D layered materials, the adjacent layers in ReS₂ are also coupled by weak van der Waals (vdW) forces to form bulk crystals. Unlike most 2D layered materials, ReS₂ behaves as a stack of electronically- and vibrationally decoupled monolayers, even in the bulk form. Raman spectrum and photoluminescence properties are independent of the number of layers. This suggests that ReS₂ could offer a novel system to study mesoscopic physics of 2D systems without the limitation of obtaining large-area, monolayer-thick flakes.

 

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Applications

Rhenium disulfide has peculiar physical properties: it exhibits distinct in-plane anisotropy and has a direct tunable optical band gap between 1.4 and 1.6 eV for both bulk and monolayer structures. Thus, ReS₂ layered nanostructures are good candidates for optoelectronic devices, photosensitive detectors, sensors, stretchable electrodes, and electrocatalysts applications. ReS₂ can also be employed to fabricate solar cell devices.

Synthesis

Rhenium disulfide (ReS₂) is manufactured using chemical vapour transport (CVT) crystallisation, with crystals having a purity in excess of 99.999%.

Usage

Rhenium disulfide single crystals can be used to prepare monolayer and few-layer ReS₂ by mechanical or liquid exfoliation. 

Literature and Reviews

1. Synthesis and Characterization of ReS2 and ReSe2 Layered Chalcogenide Single Crystals, B. Jariwala et al., Chem. Mater., 28, 3352−3359 (2016); DOI: 10.1021/acs.chemmater.6b00364.
2. Rhenium Dichalcogenides: Layered Semiconductors with Two Vertical Orientations, L. Hart et al., Nano Lett., 16, 1381−1386 (2016); DOI: 10.1021/acs.nanolett.5b04838.
3. Growth of two-dimensional rhenium disulfide (ReS2) nanosheets with a few layers at low temperature, S. Kim et al., CrystEngComm, 19, 5341 (2017); DOI: 10.1039/c7ce00926g.
4. Selecting electrode materials for monolayer ReS2 with an Ohmic contact, J. Mater. Chem. C, 6, 6764 (2018); DOI: 10.1039/c8tc02116c.
5. Structure of Rhenium Disulfide, H. Murray et al., Inorg. Chem., 33, 4418—4420 (1994); DOI: 10.1021/ic00097a037.
6. Advent of 2D Rhenium Disulfide (ReS2): Fundamentals to Applications, M. Rahman et al., Adv. Funct. Mater., 27, 1606129 (2017); DOI: 10.1002/adfm.201606129.
7. Bottom-Up Preparation of Uniform Ultrathin Rhenium Disulfide Nanosheets for Image-Guided Photothermal Radiotherapy, S. Shen et al., Adv. Funct. Mater., 27, 1700250 (2017); DOI: 10.1002/adfm.201700250.
8. High-Performance 2D Rhenium Disulfi de (ReS2) Transistors and Photodetectors by Oxygen Plasma Treatment, J. Shim et al., Adv. Mater., 28, 6985–6992 (2016); DOI: 10.1002/adma.201601002.

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To the best of our knowledge the technical information provided here is accurate. However, Ossila assume no liability for the accuracy of this information. The values provided here are typical at the time of manufacture and may vary over time and from batch to batch.

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