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Silver Tantalum Sulfide (AgTaS3) Powder

2D Semiconductor Materials, Low Dimensional Materials


Product Code M2328C1-500mg
Price $275 ex. VAT

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High quality, high purity AgTaS3 powder

Suitable to process nano-plates into few-layer films


2D layered silver tantalum sulfide (AgTaS3) belongs to the family of ternary metal sulfides which are promising alternatives to noble metals for its excellent redox reversibility, high electronic conductivity and capacitance. Binary metal sulfides can be used as electrode materials for lithium-ion batteries (LIBs), supercapacitors (SC), and solar cells applications.

Atomically thin AgTaS3 layers can be synthesized through a facile probe sonication exfoliation of either bulk crystals or powder.

High Purity Silver Tantalum Sulfide

High Purity

≥99.995% AgTaS3 Powder

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Low Cost Silver Tantalum Sulfide

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Low Cost AgTaS3

Applications of Silver Tantalum Sulfide

Applications

Process nano-plates into few-layer films

Structure of Silver Tantalum Sulfide Powder

AgTaS3 crystallizes in the orthorhombic Cmcm space group in three dimensional structure. Ta5+ is bonded in a 8-coordinate geometry to eight S2- atoms while Ag+ is bonded in a 2-coordinate geometry to six S2- atoms. S2- sites are inequivalent in the structure with each of one set of S2- ions is bonded in a 3-coordinate geometry to three equivalent Ta5+ and two equivalent Ag+ atoms while each of the other set S2- ions is bonded to two equivalent Ta5+ and two equivalent Ag+ atoms to form corner-sharing [STa2Ag2] tetrahedra.

The layer is composed of Ta-centred bicapped trigonal prisms stacked on top of each other by sharing triangular faces with each layers are held together through van der Waals interactions.  Ag+ions reside in the distorted octahedral sites between the layers. 

AgTaS3 crystal structure
Silver tantalum sulfide (AgTaS3) crystal structure

Applications of Silver Tantalum Sulfide Powder

AgTaSis nonlinear in optical response thus can have applications in signal processing, optical computers, ultrafast switches, ultra-short pulsed lasers, sensors and laser amplifiers,

AgTaSalso may also be used for for low-power and high-speed electronics.

Synthesis

Obtained via the CVT method, AgTaS3 powder with purities of over 99.995% have been achieved.

Usage

AgTaS3 powder is suitable for liquid chemical exfoliation to process AgTaS3 nano-plates down to few-layer films. High-quality, high-purity AgTaS3 powder is also used for CV deposition of ultra-thin single or few-layer films.

Literature and Reviews

  • Comprehensive scan for nonmagnetic Weyl semimetals with nonlinear optical response, Q. Xu et al., npj Comput Mater 6, 32 (2020); DOI: 10.1038/s41524-020-0301-1.
  • Structure and Electrical Conductivity of AgTaS3, C. Kim et al., J. Solid State Chem., 132 (2), 389-391 (1997); DOI: 10.1006/jssc.1997.7478.
  • Structure and properties of a new compound AgTaS3, H. Wada et al., J. Solid State Chem., 97 (1), 29-35 (1992); DOI: 10.1016/0022-4596(92)90005-G.
  • Raman and infrared studies of a silver–tantalum sulfide with a layered structure, M. Ishii et al., Mater. Res. Bull., 35 (8), 1361-1368 (2000); DOI: 10.1016/S0025-5408(00)00324-X.

Technical Data

CAS Number N/A
Chemical Formula AgTaS3
Molecular Weight 385.01 g/mol
Bandgap Eg = 0.006 eV
Preparation Synthetic - Chemical Vapour Transport (CVT)
Structure Orthorhombic
Electronic Properties 2D semiconductor, Weyl semimetals
Melting Point N/A
Colour Dark
Synonyms Silver trithiotantalate
Classification / Family Ternary metal sulfides (TMSs), 2D Semiconductor materials, Nano-electronics, Nano-photonics, Transistors, Photovoltaics, Materials science

Product Details

Form Purity
Powder ≥99.995%

MSDS Document

Silver tantalum sulfide powder MSDSSilver tantalum sulfide powder

Pricing Table

Product Code Form Quantity Price
M2328C1 Powder 500 mg £220
M2328C1 Powder 1 g £350

To the best of our knowledge the information provided here is accurate. The values provided are typical at the time of manufacture and may vary over time and from batch to batch. Products may have minor cosmetic differences (e.g. to the branding) compared to the photos on our website. All products are for laboratory and research and development use only.

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