Lumidot™ Products | Technical Notes | Related Products
Lumidots™ are Quantum Dot (QD) nanoparticles – semiconductor nanocrystals that emit monochromatic light (luminesce) under light or electrical stimulation. We offer a complete line of core-shell CdSe/ZnS Lumidots™ with emission colors spanning the entire visible spectrum. The core-shell Lumidots™ have bright and narrow emission combined with improved stability for demanding optoelectronics and imaging applications. Additionally, single-component (core) CdSe and CdS Lumidots™ are available in convenient kits grouped in UV (CdS) and visible (CdSe) spectral regions.
Core-shell Lumidots™
Aldrich Materials Science, in collaboration with Nanoco Technologies, Ltd., is pleased to offer core-shell Lumidots™ – the highest quality CdSe/ZnS quantum dot nanocrystals for your demanding research applications.
| Benefits include: |
(click to enlarge) |
| • |
|
Narrow size distribution |
| • |
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Bright, narrow emission characterized by
high Quantum Yield 30-50% and narrow
Full-Width-at-Half-Maximum (FWHM) |
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Core-shell structures for improved
luminescent yield and stability in
applications |
| • |
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Supplied as easy-to-handle 5 mg/ml
solutions in toluene
|
Core-shell Lumidot™ nanoparticles are surface-stabilized with organic ligands and are available in 2 ml and 10 ml packages. Click on product numbers in the table below to view individual product pages with detailed technical and order information.
| Product Name |
Color |
Emission Peak
(± 5 nm) |
Emission FWHM
(nm) |
Extinction Coefficient*
(105 cm-1 M-1) |
Particle Size*
(nm) |
Product # |
| Lumidot™ 480 |
Blue |
480 |
<40 |
0.02 |
2.5 |
694592 |
| Lumidot™ 510 |
Pale Green |
510 |
<40 |
0.045 |
3.0 |
694657 |
| Lumidot™ 530 |
Green |
530 |
<40 |
0.065 |
3.3 |
694649 |
| Lumidot™ 560 |
Yellow |
560 |
<40 |
0.97 |
3.4 |
694630 |
| Lumidot™ 590 |
Orange |
590 |
<40 |
1.6 |
4.0 |
694622 |
| Lumidot™ 610 |
Red |
610 |
<40 |
4.90 |
5.2 |
694614 |
| Lumidot™ 640 |
Deep Red |
640 |
<60 |
5.90 |
6.3 |
694606 |
| *Typical values. Lot-specific values supplied with certificate of analysis. |
Lumidot™ Kits
CdS and CdSe Lumidot™ kits contain groups of simple single-component (core) nanocrystals with emission spectra across UV (CdS) and visible (CdSe) parts of spectrum. The kits provide a convenient and cost-effective option to explore application of QDs for your research. Core QDs are less stable and have lower quantum yields compared to core-shell nanocrystals. However, they are inexpensive and can offer advantages for applications requiring simple single-component semiconductor nanoparticles.
| Product Name |
Emission Range
(nm) |
Kit Content |
Product # |
| Lumidot™ CdS-6 Kit |
360–460 |
6 × 25 mg CdS QD nanocrystals
in 5 ml toluene |
662593 |
| Lumidot™ CdSe-6 Kit |
480–640 |
6 × 25 mg CdSe QD nanocrystals
in 5 ml toluene |
662550 |
Technical Notes
Introduction to QD properties and applications: read article by Prof. Philippe Guyot-Sionnest in Material Matters 2.1 (2.2 Mb PDF).
Lumidot™ FAQ (150 Kb PDF): Frequently Asked Questions about using QD nanocrystals.
Related Products
Nanopowders and Nanoparticle Dispersions
Fluorescent Microspheres
Organic and Metal-Organic Photoluminescent Material
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