Monolayer Tungsten Disulfide

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Product Details:

Purity(%) >99%
Form Monolayer sheet
Usage & Applications Transistors, Photodetectors, Catalysis, Flexible electronics
Melting Point Not Applicable (Monolayer material)
Density 7.5 Gram per cubic centimeter(g/cm3)
Chemical Composition Tungsten (W): ~39.43%, Sulfur (S): ~60.57%
Surface Finish Atomically smooth
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Monolayer Tungsten Disulfide Price And Quantity

Monolayer Tungsten Disulfide Product Specifications

Usage & Applications Transistors, Photodetectors, Catalysis, Flexible electronics
Dimensional Stability Excellent due to single atomic thickness
Thermal Conductivity 40 50 W/mK (basal plane)
Porosity Negligible (ideal monolayer)
Specific Gravity 7.5 (bulk WS2, monolayer not typically measured)
Purity(%) >99%
Form Monolayer sheet
Product Type Monolayer 2D material
Color Dark grey to black
Melting Point Not Applicable (Monolayer material)
Types of Refractories Non-refractory (2D material)
Strength High mechanical strength at atomic scale
Density 7.5 Gram per cubic centimeter(g/cm3)
Shape Sheet/film (Monolayer)
Chemical Composition Tungsten (W): ~39.43%, Sulfur (S): ~60.57%
Application Nanoelectronics, Optoelectronics, Photodetectors, Sensors
Water Absorption Negligible
Hardness (%) Not applicable (measured in GPa: ~2-4 GPa for monolayer)
Surface Finish Atomically smooth

Monolayer Tungsten Disulfide Trade Information

Payment Terms Paypal, Western Union, Telegraphic Transfer (T/T), Cash in Advance (CID), Cheque
Main Domestic Market All India

Product Description

Monolayer Tungsten Disulfide (WS2) Quantum Dots

Specification :

MF:	WS2
Chemical Name:	Tungsten Disulfide
Purity:	> 99.99%
Size:	10 nm (Size Customization possible)
Concentration:	0.5 to 1 mg/ml (Customization possible)
Powder/Dispersion
Product Number:	NCZAM110
CAS Number:	12138-09-9

Exceptional Optical and Electronic Qualities

Monolayer WS2 stands out due to its direct ~2.0 eV band gap and remarkable photoluminescence, making it highly effective for optoelectronic applications. Its strong light absorption also enables efficient photodetection and energy harvesting within nanoelectronic devices.

Customizable and Versatile Applications

Whether for transistors, photodetectors, flexible electronics, or catalysis, monolayer tungsten disulfide offers customizable lateral dimensions and reliable compatibility with a broad array of substrates. Its atomically smooth surface and high mechanical strength make it an excellent choice for integrated device fabrication.

Stable and Reliable Under Ambient Conditions

With excellent resistance to oxidation and minimal water absorption, monolayer WS2 maintains its properties under ambient environments. Proper storage in a dry, inert atmosphere guarantees long-term stability and reliability for sensitive electronic and photonic devices.

FAQs of Monolayer Tungsten Disulfide:

Q: What are the main synthesis methods for monolayer tungsten disulfide?

A: Monolayer tungsten disulfide is commonly synthesized using chemical vapor deposition (CVD), mechanical exfoliation, or liquid phase exfoliation. Each process ensures high purity and precise control over layer thickness, making the material suitable for various advanced applications.

Q: How should monolayer WS2 be stored to maintain its quality?

A: It is recommended to store monolayer WS2 in a dry, inert atmosphere and avoid direct sunlight. Following these guidelines helps preserve its structural integrity and resistance to oxidation over time.

Q: Where can monolayer tungsten disulfide be used?

A: Monolayer WS2 finds applications in fields like nanoelectronics, optoelectronics, flexible electronics, photodetectors, catalysis, and sensors. Its unique properties enable use across research, manufacturing, and commercial device sectors.

Q: What are the benefits of using a monolayer structure compared to bulk WS2?

A: Monolayer WS2 exhibits a direct band gap and enhanced photoluminescence, resulting in superior performance for optoelectronic and photonic devices. Its atomically smooth surface and high mechanical strength enable next-generation device miniaturization and flexibility.

Q: Which substrates are compatible with monolayer tungsten disulfide?

A: Monolayer WS2 is compatible with a range of substrates, including SiO2/Si, sapphire, glass, and flexible polymers. This compatibility provides versatility for integrating WS2 into many device architectures.

Q: How does monolayer WS2 benefit sensor or photodetector applications?

A: Due to its direct band gap, strong light absorption, and high photoluminescence, monolayer WS2 enables highly sensitive photodetection and efficient lightmatter interaction, advantages that are critical for modern sensor and photodetector technologies.

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