Pricing

Product Code	Quantity	Price
M2139C1	500 mg	£168.00
M2139C1	1 g	£268.00

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	Powder
Preparation	Synthetic - chemical vapour transport (CVT)
Purity	≥ 99.995%
Structure	Triclinic
Electronic properties	2D semiconductor
Melting point	n/a
Appearance	Black powder

General Description

Rhenium disulfide (ReS₂) is a direct band gap semiconductor that has exhibited outstanding optoelectronic performance due to its weak interlayer coupling. Compared to black phosphorus (BP), ReS₂ is a naturally-occurring yet extremely rare TMDC so it is environmentally stable which makes it an ideal candidate for applications in ambient conditions. ReS₂ has been found to be a diamagnetic semiconductor, an n-type photovoltaic material with a 1.4 eV optical gap, and exhibits bi-axial optical and electrical properties.

Unlike most of the TMDCs, ReS₂ has an unique structure with its in-plane 1D chains of Re atoms. These are arranged into linked parallelograms - forming Re₄ “diamond” shapes along the b axis. Such a structure makes it an optically bi-axial material which shows exceptionally anisotropic electrical and optical behaviour for linearly-polarised light.

Application

Exfoliated rhenium disulfide (ReS₂) nanosheets are shown to have a strong near-infrared (NIR) absorbance, and could effectively be used in biomedical applications, such as CT imaging and chemo-photothermal cancer treatment. High-purity rhenium disulfide powder is great for obtaining ReS₂ nanosheets by liquid exfoliation in mass production.

ReS₂ nanosheets and nanoparticles are also used for the fabrication of field-effect transistors, energy storage devices (such as rechargeable batteries, photocatalytic and electrocatalytic hydrogen evolution reactions (HER).

Synthesis

Rhenium disulfide (ReS₂) powder is obtained via the CVT method, with a purity in excess of 99.995% achieved.

Usage

Rhenium disulfide (ReS₂) powder is suitable for liquid chemical exfoliation to prepare GeSe nanosheets and nanoparticles down to few-layer films. ReS₂ powder is also used for preparation of mono-layer and few-layer films via chemical vapour deposition (CVD).

 

Literature and Reviews

1. Rhenium Dichalcogenides: Layered Semiconductors with Two Vertical Orientations, L. Hart et al., Nano Lett., 16, 1381−1386 (2016); DOI: 10.1021/acs.nanolett.5b04838.
2. Liquid Exfoliation of Colloidal Rhenium Disulfide Nanosheets as a Multifunctional Theranostic Agent for In Vivo Photoacoustic/CT Imaging and Photothermal Therapy, Z. Miao et al., Small, 14, 1703789 (2018); DOI: 10.1002/smll.201703789.
3. Single-Layer ReS2: Two-Dimensional Semiconductor with Tunable In Plane Anisotropy, Y. Lin et al., ACS Nano, 9 (11), 11249–11257 (2015); DOI: 10.1021/acsnano.5b04851.
4. Sequential bottom-up and top-down processing for the synthesis of transition metal dichalcogenide nanosheets: the case of rhenium disulfide (ReS2), N. Al-Dulaimi et al., Chem. Commun., 52, 7878 (2016); DOI: 10.1039/c6cc03316d.
5. Albumin-assisted exfoliated ultrathin rhenium disulfide nanosheets as a tumor targeting and dualstimuli-responsive drug delivery system fora combination chemo-photothermal treatment, Q. Huang et al., RSC Adv., 8, 4624 (2018); DOI: 10.1039/c7ra13454a.
6. Monolayer behaviour in bulk ReS2 due to electronic and vibrational decoupling, S. Tongay et al., Nat. Commun., 5:3252 (2014); DOI: 10.1038/ncomms4252.
7. Chemical Vapor Deposition of Monolayer Rhenium Disulfi de (ReS2), K. Keyshar et al., Adv. Mater., 27, 4640–4648 (2015); DOI: 10.1002/adma.201501795.

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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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