TECHNICAL SPECIFICATIONS
CdS Dot Nanocrystals
| Compostion | CdS stabilized by oleic acid ligands |
| Concentration | Order amount dependent |
| Organic Impurities |
<1% (not including ligands) |
| Solvent* |
Toluene |
| Volume |
Order amount dependent |
| Lifetime |
One year if stored properly (dark at 4-10 °C) |
| PL fwhm (nm) |
16-19 |
| UV-Vis hwhm (nm) |
11-13 |
| UV Peak (nm) |
size (nm) |
Emission Peak (nm) |
| 360 ± 10 |
1.6-1.8 |
367-386 |
| 380 ± 10 |
1.8-2.3 |
387-406 |
| 400 ± 10 |
2.3-2.9 |
407-425 |
| 420 ± 10 |
2.9-4.0 |
426-444 |
| 440 ± 10 |
4.0-5.4 |
445-462 |
| 460 ± 10 |
5.4-7.3 |
463-482 |
*Other solvents are available upon request.
CdSe Dot Nanocrystals
| Compostion |
CdSe stabilized by octadecyl amine (ODA) ligands |
| Concentration |
Order amount dependent |
| Organic Impurities |
<1% (not including ligands) |
| Solvent* |
Toluene |
| Volume |
Order amount dependent |
| Lifetime |
One year if stored properly (dark at 4-10 °C) |
| PL fwhm (nm) |
23-28 |
| UV-Vis hwhm (nm) |
13-17 |
| UV Peak (nm) |
size (nm) |
Emission Peak (nm) |
| 460 ± 10 |
1.9-2.1 |
460-480 |
| 480 ± 10 |
2.1-2.3 |
481-502 |
| 500 ± 10 |
2.3-2.4 |
503-524 |
| 520 ± 10 |
2.4-2.6 |
525-542 |
| 540 ± 10 |
2.6-3 |
543-562 |
| 560 ± 10 |
3-3.5 |
563-572 |
| 580 ± 10 |
3.5-4 |
573-594 |
| 590 ± 5 |
4-4.3 |
595-611 |
| 600 ± 5 |
4.3-4.7 |
612-617 |
| 610 ± 5 |
4.7-5.2 |
618-627 |
| 620 ± 10 |
5.2-6.2 |
628-638 |
| 640 ± 10 |
6.2-7.7 |
639-653 |
*Other solvents are available upon request.
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CdSe/ZnS Core-Shell Nanocrystals
| Compostion |
CdSe/ZnS stabilized by octadecyl amine (ODA) ligands |
| Concentration |
Order amount dependent |
| Organic Impurities |
<1% (not including ligands) |
| Solvent* |
Toluene |
| Volume |
Order amount dependent |
| Lifetime |
One year if stored properly (dark at 4-10 °C) |
| PL fwhm (nm) |
28-35 |
| UV-Vis hwhm (nm) |
16-20 |
| UV Peak (nm) |
Emission Peak (nm) |
| 500 ± 10 |
500-530 |
| 520 ± 10 |
530-545 |
| 540 ± 10 |
545-565 |
| 560 ± 10 |
565-585 |
| 580 ± 10 |
585-600 |
| 600 ± 10 |
600-620 |
| 620 ± 10 |
620-640 |
| 640 ± 10 |
640-660 |
*Other solvents are available upon request.
Water-Soluble CdSe/ZnS Core-Shell Nanocrystals
| Compostion |
CdSe/ZnS stabilized by mercaptoundecanoic acid ligands (MUA) |
| Concentration |
Deternined in mg |
| Organic Impurities | <1% (not including ligands) |
| Solvent | Water |
| Lifetime |
Currently unknown, best results when refrigerated (dark at 4-10 °C) |
| PL fwhm (nm) | 30-38 |
| UV-Vis hwhm (nm) | N/A |
| Emission Color |
Emission Peak (nm) |
| Green |
530-550 |
| Yellow |
570-585 |
| Orange |
595-610 |
| Red |
620-635 |
| Dark Red |
640-660 |
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D-dots™ (Water Soluble)
| Compostion |
Manganese doped ZnSe Nanocrystals stabilized by ligands |
| Concentration |
Determined in mg |
| Organic Impurities |
<2% (not including ligands) |
| Solvent |
Water, Methanol |
| Lifetime |
6 months if stored properly (dark at room temperature) |
| PL fwhm (nm) |
51-54nm |
| Typical PL Quantum Yield |
40±10% (measured using an integrating sphere with a calibrated light source) |
| Emission Color |
Emission Peak (nm)* |
| Yellow |
580-585 |
| Orange |
600-605 |
| *Emission colors and emission peaks are the same regardless of the solvent/solubility (i.e. this applies to D-dots in non-polar solvents as well) |
D-dots™ (in non-polar solvents)
| Compostion |
Manganese doped ZnSe Nanocrystals stabilized by ligands |
| Concentration |
Determined in mg |
| Organic Impurities |
<1% (not including ligands) |
| Solvent |
Toluene, Hexanes, Chloroform |
| Lifetime |
6 to 12 months if stored properly (dark at 4-10 °C) |
| PL fwhm (nm) |
51-54nm |
| Typical PL Quantum Yield |
50±10% (measured using an integrating sphere with a calibrated light source) |
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Fe3O4 Nanocrystals in non-polar solvent
| Compostion |
Fe3O4 Nanocrystals stabilized by ligands |
| Concentration |
Determined in mg |
| Organic Impurities |
<1% (not including ligands) |
| Solvent |
Toluene, Hexanes, Chloroform |
| Lifetime |
at leaset 6 months if stored properly (at room temprature) |
Particle Size |
Magnetic Susceptibility (χg) |
Magnetization (M) |
5 nm |
0.0030 c.g.s |
13.7 emu/g |
10 nm |
0.0047 c.g.s |
21.2 emu/g |
15 nm |
0.0062 c.g.s |
27.9 emu/g |
20 nm |
0.0072 c.g.s |
32.4 emu/g |
30 nm |
0.0061 c.g.s |
27.5 emu/g |
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