Monolayer Tungsten Disulfide (WS2) Quantum Dots

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Product Details:

Form Quantum dot / nanoparticle
Density 7.8 Gram per cubic centimeter(g/cm3)
Application Optoelectronics, bioimaging, photocatalysis, sensors, light emission devices
Hardness (%) ~100% at quantum scale
Chemical Composition Tungsten Disulfide (WS2)
Usage & Applications Bioimaging, LEDs, solar cells, semiconductors, flexible displays
Purity(%) >99%
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Monolayer Tungsten Disulfide (WS2) Quantum Dots Price And Quantity

Monolayer Tungsten Disulfide (WS2) Quantum Dots Product Specifications

Thermal Conductivity Low (typical of 2D materials)
Specific Gravity ~7.5
Product Type Monolayer WS2 Quantum Dots
Purity(%) >99%
Dimensional Stability Excellent at nanoscale
Hardness (%) ~100% at quantum scale
Chemical Composition Tungsten Disulfide (WS2)
Usage & Applications Bioimaging, LEDs, solar cells, semiconductors, flexible displays
Water Absorption Negligible
Surface Finish Smooth at atomic scale
Melting Point ~1250C
Density 7.8 Gram per cubic centimeter(g/cm3)
Form Quantum dot / nanoparticle
Shape Quantum dots (quasi-spherical nano-structure)
Strength High mechanical strength at monolayer scale
Application Optoelectronics, bioimaging, photocatalysis, sensors, light emission devices
Color Yellow-green
Porosity Non-porous

Monolayer Tungsten Disulfide (WS2) Quantum Dots Trade Information

Payment Terms Cash in Advance (CID), Cheque, Cash Advance (CA)
Supply Ability 55000 , Per Week
Delivery Time 7 Days Days
Main Export Market(s) Western Europe, Australia, North America, Eastern Europe, Central America, Africa, Middle East, South America, Asia

Product Description

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

Crystal Structure and Stability

WS2 quantum dots possess the 2H hexagonal crystal phase, providing a direct bandgap ideal for optoelectronic and light-emission applications. Their monolayer structure ensures robust mechanical properties and stability under standard ambient conditions, maintaining performance in diverse environments. High purity and atomic-scale smoothness contribute to their reliability and longevity.

Versatile Applications and Usage

With low thermal conductivity and strong dimensional stability at the nanoscale, WS2 quantum dots are utilized in bioimaging, photocatalysis, solar cells, and advanced sensor technologies. Their yellow-green color and superior light emission characteristics make them suitable for flexible displays and LEDs. They are available through various Indian market channels for both research and industrial use.

FAQs of Monolayer Tungsten Disulfide (WS2) Quantum Dots:

Q: How are Monolayer WS2 Quantum Dots synthesized?

A: Monolayer Tungsten Disulfide quantum dots are typically prepared using hydrothermal or liquid exfoliation processes, which ensure monolayer thickness and quasi-spherical nano-structure with high purity (>99%).

Q: What benefits do WS2 Quantum Dots offer in optoelectronic applications?

A: Thanks to their direct bandgap (1.82.1 eV), high mechanical strength, and stable monolayer structure, WS2 quantum dots deliver enhanced light emission, efficient charge separation, and reliable performance in LEDs, solar cells, and flexible displays.

Q: Where should WS2 Quantum Dots be stored to maximize shelf life?

A: For optimal shelf life (up to 12 months), WS2 quantum dots should be stored in a cool, dry, and dark environment, protecting them from moisture and direct sunlight.

Q: What solvents can be used to disperse WS2 Quantum Dots?

A: These quantum dots can be effectively dispersed in either water or appropriately selected organic solvents, providing flexibility for varied experimental and industrial uses.

Q: When are WS2 Quantum Dots preferred for bioimaging or sensor applications?

A: Their unique nanoscale structure, negligible water absorption, high purity, and smooth surface finish make them ideal for bioimaging and sensitive sensor technologies where stability and strong optoelectronic properties are essential.

Q: What is the process for acquiring WS2 Quantum Dots in India?

A: Monolayer WS2 Quantum Dots are accessible through multiple channels, including dealers, exporters, importers, manufacturers, producers, retailers, suppliers, traders, and wholesalers throughout India.

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