LED Quantum Dots

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Molecular Weight Variable, nanostructured form
Ph Level Neutral (in solution)
Poisonous Yes
HS Code 3206.4990
Form Colloidal Solution, Powder available on request
Storage Store in cool, dry place, protect from light and moisture
Density 5.6 Gram per cubic centimeter(g/cm3)
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LED Quantum Dots Product Specifications

Melting Point Not applicable (nanostructured material)
EINECS No Not assigned (nanostructured mixture)
Other Names LED Quantum Dots, Nano-LED dots
Purity >99%
Structural Formula Nanoscale crystal lattice
Smell Odorless
Usage Optoelectronic devices, quantum dot displays, biological labeling
Grade Industrial Grade, Research Grade
Molecular Formula CdSe, ZnS, InP (depends on quantum dot type)
Refractive Rate 2.32.7 (dependent on wavelength and material)
Solubility Insoluble in water, soluble in organic solvents such as toluene, chloroform, hexane
Shape Spherical nanoparticles
Classification Nanomaterial, Inorganic Compound
Chemical Name Cadmium Selenide/Zinc Sulfide (CdSe/ZnS), or Indium Phosphide (InP) based Quantum Dots
Type Quantum Dots (Colloidal Nanocrystals)
Application Display panels, LEDs, bio-imaging, sensors, lighting
HS Code 3206.4990
Density 5.6 Gram per cubic centimeter(g/cm3)
Standard Meets industry and research nanomaterial standards
Storage Store in cool, dry place, protect from light and moisture
Form Colloidal Solution, Powder available on request
CAS No Not available for mixture (CdSe: 1306-24-7, ZnS: 1314-98-3, InP: 22398-80-7)
Poisonous Yes
Molecular Weight Variable, nanostructured form
Ph Level Neutral (in solution)
Main Material Semiconductor nanocrystals (typically CdSe/ZnS core-shell or InP based)

Emission Wavelength Range 400 nm 700 nm (custom tunable on request)
Customization Custom synthesis available for emission wavelength and surface modification
Lead (Pb)-free Option Available (InP-based quantum dots)
Surface Coating Oleic acid, TOPO, or custom ligand capping
Safety Precaution Handle in fume hood using PPE due to potential toxicity
Particle Size 210 nm diameter (size-dependent optical properties)
Excitation Source UV or blue light
Environmental Stability High, with protective ligand and shell structures
Packaging Sealed vials, inert atmosphere packing available
Shelf Life 1224 months under recommended storage
Photoluminescence Quantum Yield >70%
Dispersibility High, in compatible organic solvents

LED Quantum Dots Trade Information

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

Product Description

LED Quantum Dots

Concentration: 1mg/mL to 20 mg/mL (in stock)
Carrier: Water, Ethanol, IPA, NMP, DMF, Toluene, Methanol
Dispersion Customization: Possible (please email to sales@chemazone.in)
Size: 10 mL , 100 mL

Precision-Tunable Emission Wavelengths

Experience unmatched versatility with LED Quantum Dots, offering emission from 400 nm to 700 nm, adjustable upon request to suit diverse optoelectronic and imaging applications. Size-dependent optical characteristics ensure precision in color rendition, pivotal for next-generation displays and biosensing solutions.

Superior Stability and Quantum Efficiency

With photoluminescence quantum yields exceeding 70%, these quantum dots deliver intense, reliable illumination. Surface coatings and protective ligand-shell structures provide exceptional environmental stability, safeguarding nanocrystal integrity for prolonged shelf life and robust operational performance.

FAQs of LED Quantum Dots:

Q: How can I customize the emission wavelength of LED Quantum Dots?

A: You can request a custom synthesis tailored to your desired emission wavelength within the 400 nm to 700 nm range. The emission can be precisely adjusted by altering the diameter of the quantum dots during production.

Q: What applications are LED Quantum Dots best suited for?

A: LED Quantum Dots are widely used in display panels, LEDs, bio-imaging, sensors, and lighting systems, providing vivid color output, high efficiency, and enhanced visual performance.

Q: When should quantum dots be handled in a fume hood and with PPE?

A: Quantum dots, especially those with cadmium-based cores, should always be handled in a fume hood while wearing personal protective equipment to minimize exposure to potential toxicity.

Q: Where should I store LED Quantum Dots for optimal shelf life?

A: Store LED Quantum Dots in a cool, dry place away from light and moisture. Adhering to recommended storage conditions extends shelf life to 1224 months.

Q: What is the process for dispersing these quantum dots in solvents?

A: Quantum dots with oleic acid, TOPO, or custom ligand capping exhibit high dispersibility in compatible organic solvents such as toluene, chloroform, and hexane. Simply mix as directed to ensure uniform suspension.

Q: What are the benefits of choosing InP-based quantum dots?

A: Indium Phosphide (InP)-based quantum dots are lead-free, offering a safer alternative for environments with strict toxicity regulation, while still delivering high quantum yields and stable performance.

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CdSe ZnS Quantum Dots Molecular Formula : CdSe core / ZnS shell Usage : Optoelectronic devices, biomedical imaging, research Grade : Other, Research grade Smell : Other, Odorless Shape : Other, Spherical Solubility : Soluble in organic solvents (e.g., chloroform, toluene); insoluble in water without hydrophilic surface modification Other Names : CdSe/ZnS QDs, quantum nanocrystals Purity : 99% Standard : Complies with laboratory and research standards Form : Other, Colloidal dispersion or powder Storage : Other, Store in dark, cool and dry environment; protect from oxidation HS Code : 28429090 Application : Other, Fluorescent biological labeling, solar cells, LEDs, sensors, display technologies Main Material : Cadmium Selenide/Zinc Sulfide (CdSe/ZnS) Poisonous : Yes Classification : Other, Semiconductor nanomaterial Chemical Name : Cadmium selenide/zinc sulfide quantum dots Type : Nanoparticles / Quantum Dots Boiling point : Data not applicable for nanomaterials Structural Formula : Coreshell structure: CdSe core with ZnS shell Refractive Rate : 2.2 (CdSe, approx) / 2.36 (ZnS, approx) Melting Point : Data not applicable (nanoscale materials do not have typical melting points) Density : 5.82 Gram per cubic centimeter(g/cm3) Ph Level : Neutral pH (solution dependent) Molecular Weight : Not well defined (depends on dot size and composition) CAS No : 1306247 (CdSe); 1314983 (ZnS)

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Zinc Selenide /Zinc Sulphide Quantum Dots Molecular Formula : ZnSe/ZnS Usage : Fluorescent labeling, display devices, photovoltaic cells Grade : Other, Nanomaterial Grade Smell : Other, Odorless Shape : Other, Spherical Nanoparticles Solubility : Insoluble in water, soluble in organic solvents Other Names : ZnSe/ZnS Quantum Dots Purity : 99% Standard : Analytical Grade/Nanomaterial Standard Form : Other, Colloidal Dispersion or Powder Storage : Other, Store in tightly sealed containers, protected from light and moisture HS Code : 2852.00 Application : Other, Optoelectronics, bioimaging, LED, sensors, and solar cells Main Material : Zinc Selenide (ZnSe), Zinc Sulphide (ZnS) Poisonous : Yes Classification : Other, Inorganic Semiconductor Nanoparticles Chemical Name : Zinc Selenide / Zinc Sulphide Quantum Dots Type : Quantum Dots Boiling point : Sublimes without melting (ZnSe, ZnS) Structural Formula : ZnSe/ZnS Refractive Rate : ZnSe: 2.67; ZnS: 2.35 Melting Point : Zinc Selenide: 1,525C; Zinc Sulphide: 1,700C Density : 5.27 Gram per cubic centimeter(g/cm3) Ph Level : Neutral (pH 7 when dispersed in neutral solvents) Molecular Weight : ZnSe: 144.35 g/mol; ZnS: 97.45 g/mol CAS No : 1315099 (ZnS); 1315099 (ZnSe) EINECS No : 2152574 (ZnS); 2158974 (ZnSe) Taste : Other , Odorless and tasteless

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Blue Luminescent Hydrophilic Graphene Quantum Dots (Powder) Molecular Formula : C (graphenebased, varies by layer size and oxidation) Usage : For laboratory, research, and industrial applications as a luminescent nanomaterial Grade : Other, Analytical / Research Grade Smell : Other, Odorless Shape : Other, Spherical / Disklike Solubility : Hydrophilic; completely soluble in water Other Names : GQDs, Carbon Quantum Dots, Blue Graphene QDs Purity : 98% (carbon content) Standard : Laboratory/industrial standard as specified Form : Powder Storage : Other, Store in cool, dry, airtight container away from light HS Code : 38029090 Application : Other, Fluorescent probes, bioimaging, sensors, optoelectronic devices, nanomedicine, energy storage Main Material : Graphene Quantum Dots (GQDs) Poisonous : Yes Classification : Other, Nanomaterial, Carbon Allotrope, Quantum Dot Chemical Name : Graphene Quantum Dots Type : Blue Luminescent Hydrophilic Graphene Quantum Dots (Powder) Boiling point : Not applicable (solid/powder) Structural Formula : Nanoscale graphene fragments with edge functionalization Refractive Rate : ~1.74 (literature value, may vary) Melting Point : Not determined (thermally stable as QDs up to ~300C) Density : 1.8 Gram per cubic centimeter(g/cm3) Ph Level : Typically neutral (6.57.5 in aqueous dispersion) Molecular Weight : Variable; depends on particle size (typically <10,000 g/mol) CAS No : N/A (mixture/nanostructure) EINECS No : N/A (not assigned) Taste : Other , Odorless and tasteless

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Cadmium Sulphide Quantum Dots Molecular Formula : CdS Usage : Used as semiconductors, in quantum dot displays, and in photovoltaic devices Grade : Other, Research/Laboratory Grade Smell : Other, Odourless Shape : Other, Spherical (typical for quantum dots) Solubility : Insoluble in water; slightly soluble in acids such as HCl, H2SO4, and hot nitric acid Other Names : Cadmium Yellow Quantum Dots; CdS QDs Purity : 99% Standard : Meets international research grade nanoparticle standards Form : Other, Colloidal Solution or Powder Storage : Other, Store in a cool, dry place away from sunlight and strong acids HS Code : 2827.39 Application : Other, Bioimaging, Solar Cells, Photodetectors, Fluorescent Probes, Optoelectronic Devices Main Material : Cadmium Sulphide (CdS) Poisonous : Yes Classification : Other, IIVI Semiconductor Compound Chemical Name : Cadmium Sulphide Quantum Dots Type : Nanoparticles/Quantum Dots Boiling point : Not applicable (Decomposes before boiling) Structural Formula : CdS Refractive Rate : 2.529 Melting Point : 1750C Density : 4.82 Gram per cubic centimeter(g/cm3) Ph Level : Neutral (when dispersed in neutral solvents) Molecular Weight : 144.48 g/mol CAS No : 1306236 EINECS No : 2151478

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