662550
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 | Typical photoluminescence spectra of kit components |
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662550
Aldrich
Lumidot™ CdSe-6, quantum dot nanoparticles kit
core-type, fluorescence λem 480-640 nm
| Synonym: | QD, Quantum dot semiconductor nanocrystal |
Description
| Legal Information | Product of Nanoco Technologies sold under US and worldwide patents and patents pending. |
| General description | Organically stabilized cadmium selenide quantum dots in toluene. Kit contains six toluene solutions of CdSe quantum dot nanocrystals with fluorescence emission maxima spanning visible spectrum: • Lumidot™ CdSe 480 5 ml, 5 mg/ml, 480 nm • Lumidot™ CdSe 520 5 ml, 5 mg/ml, 520 nm • Lumidot™ CdSe 560 5 ml, 5 mg/ml, 560 nm • Lumidot™ CdSe 590 5 ml, 5 mg/ml, 590 nm • Lumidot™ CdSe 610 5 ml, 5 mg/ml, 610 nm • Lumidot™ CdSe 640 5 ml, 5 mg/ml, 640 nm Lumidot™ CdSe 480-610 nanocrystals are surface-stabilized with hexadecylamine coating. Lumidot™ CdSe 640 nanocrystals are surface-stabilized with hexadecylamine/trioctylphosphine oxide ligands. Typical nanocrystal sizes range from 2.5 nm (Lumidot™ CdSe 480) to 6.5 nm (Lumidot™ CdSe 640). The soft ligands increase hydrodynamic diameter of the nanocrystals by ~4.5-5 nm. |
| Lumidot is a trademark of Sigma-Aldrich Biotechnology LP and Sigma-Aldrich Co. |
Properties
| form | solution |
| shelf life | 1 yr |
| concentration | 5 mg/mL in toluene |
| fluorescence | λem 480-640 nm |
| , FWHM <40 nm | |
| matrix active group | surface stabilized with hexadecylamine ligands coating |
| bp | 110 °C |
| density | 0.865 g/mL at 25 °C |
Safety
| Hazard Codes | F,T |
| Risk Statements | 11-22-38-48/23/25-53-62-63-65-67-68 |
| Safety Statements | 53-36/37-45-46-61-62 |
| RIDADR | UN 3316 9/PG 2 |
Components
| Kit component only | Lumidot™ CdSe 480 5 mL |
| Lumidot™ CdSe 520 5 mL | |
| Lumidot™ CdSe 560 5 mL | |
| Lumidot™ CdSe 590 5 mL | |
| Lumidot™ CdSe 610 5 mL | |
| Lumidot™ CdSe 640 5 mL |
