What is Water Soluble Carbon Quantum Dots?

Water-soluble carbon quantum dots (CQDs) are a type of nanomaterial composed of carbon nanoparticles with photoluminescent properties. These quantum dots exhibit excellent biocompatibility, tunable fluorescence, and water solubility, making them ideal for applications in bioimaging, sensors, and optoelectronics.

Chemical Properties and CAS Number

• Material: Water Soluble Carbon Quantum Dots (CQDs)
• CAS Number: Not widely standardized, varies based on synthesis method
• Purity: 99.9%+
• Appearance: Black or dark brown powder or colloidal solution
• Particle Size: 2-10 nm
• Solubility: Highly soluble in water
• Fluorescence Emission: Tunable across UV, visible, and near-infrared spectra

Applications of Water Soluble Carbon Quantum Dots

1. Bioimaging and Medical Diagnostics

Used as fluorescent probes in biological imaging due to their non-toxicity and high photostability.

2. Chemical and Biosensors

Employed in the detection of heavy metals, glucose, and other biomolecules.

3. Optoelectronic Devices

Applied in LEDs, solar cells, and light-emitting materials due to their photoluminescent properties.

4. Environmental Monitoring

Utilized for pollutant detection and photocatalytic applications in wastewater treatment.

5. Drug Delivery and Theranostics

Incorporated in drug carriers for targeted delivery and controlled release in medical applications.

Pricing of Water Soluble Carbon Quantum Dots

Pricing varies based on purity, particle size, and supplier:

• Lab-Scale (High Purity, Small Quantities): $300 – $1,000 per gram
• Industrial Grade (Bulk Orders): $1,500 – $5,000 per kg
• Customized Synthesis: Prices depend on surface functionalization and application requirements.

Factors Influencing Pricing

• Fluorescence quantum yield and emission wavelength
• Surface functionalization (e.g., -OH, -COOH, -NH2 groups)
• Application-specific modifications (e.g., bio-conjugation)
• Market demand in medical, electronic, and environmental fields

Conclusion

Water Soluble Carbon Quantum Dots (CQDs) are a highly versatile nanomaterial with applications in bioimaging, sensors, electronics, and environmental monitoring. Their excellent photoluminescence and biocompatibility make them an essential component in various high-tech applications.