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Zinc Sulfide and Copper Indium Disulfide Quantum Dots
The zinc sulfide and copper indium disulfide quantum dots from Strem Chemicals are sold under a distribution agreement with UbiQD, Inc. for research purposes only. US Patent No. US9748422.
| Copper Indium Disulfide/Zinc Sulfide Quantum Dots, QY >75%CAS# 927198-36-5; Available Unit Sizes: 50 mg, 250 mg | ||
|---|---|---|
| Catalog # | Peak Emission | FWHM |
| 29-8500 | 550 nm ± 10 nm | 115 nm ± 20 nm |
| 29-8510 | 590 nm ± 10 nm | 120 nm ± 20 nm |
| 29-8520 | 630 nm ± 10 nm | 125 nm ± 20 nm |
| 29-8530 | 680 nm ± 10 nm | 130 nm ± 20 nm |
| 29-8540 | 800 nm ± 10 nm | 180 nm ± 20 nm |
| 29-8550 | 950 nm ± 10 nm | 250 nm ± 20 nm |
Advantages over Traditional QDs
Made using safe and scalable non-injection synthesis
Free of toxic heavy metals (for example - Cd, Pb) or phosphines
Low self-absorption as a result of a large Stokes shift >300 meV
Bright PL (up to >75% QY) tunable from 550 to 950 nm
Stable PL at elevated temperature in water, air, and various composites
Use and Handling Recommendations
The products are delivered in powder form, and are soluble in non-polar solvents (for example - chloroform, toluene). Standard concentrations are ~5-200 mg/mL for a majority of applications. The dots have been cleaned by dissolution/precipitation three times to develop a dried powder. It is recommended that the product is used within 12 months of receipt.
Product Specifications
| . | . |
|---|---|
| QY | >75% |
| Material composition | CuInS2/ZnS |
| Material Form | Powder |
| Compatible Solvents | Nonpolar solvents: toluene, chloroform |
| Particle Size | 5-10 nm |
Zinc Sulfide and Copper Indium Disulfide Quantum Dots
Characteristic TEM ImageProduct Image & Spectra Graph - Peak Emission: 550 nm
Product Image & Spectra Graph - Peak Emission: 590 nm
Product Image & Spectra Graph - Peak Emission: 630 nm
Product Image & Spectra Graph - Peak Emission: 680 nmProduct Image & Spectra Graph - Peak Emission: 800 nm
Product Image & Spectra Graph - Peak Emission: 950 nm
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