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790192

Sigma-Aldrich

CdSe/ZnS core-shell type quantum dots

stabilized with octadecylamine ligands, fluorescence λem 620 nm, solid

Synonyme(s) :

Artificial atoms, Fluorescent nanocrystals, QDs

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About This Item

Formule linéaire :
CdSe/ZnS
Code UNSPSC :
26111700
Nomenclature NACRES :
NA.23

Forme

solid

Fluorescence

λem 620 nm

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Catégories apparentées

Application

CdSe/ZnS core/shell nanocrystals in solid form are highly purified quantum dots. They can be dispersed in most non-polar organic solvents such as toluene, chloroform, hexane, etc. With very low organic impurity, these quantum dots are specifically designed as emitters for optoelectronic applications such as display and solid state lighting.

Protocol to make QD solutions (dispersing QDs into solutions):

1. Weigh desired amount of the quantum dot powder and put it in a glass vial;
2. Add desired amount of the solvent, i.e. toluene, chloroform, hexane, etc. (mostly non-polar organic solvents) in the vial and shake the vial;
3. If there is any solid left in the vial after shaking, sonicate the vial for 30~60 seconds to get the quantum dot powder well dispersed. If required dilute the solution further.

Material has a shelf life of around 3 years if stored properly. Store at room temperature (4-25 °C); do not freeze. Should not be exposed to extreme temperatures.

Informations légales

Product of Ocean Nanotech, LLC

Mention d'avertissement

Danger

Classification des risques

Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Eye Dam. 1 - Skin Irrit. 2 - STOT RE 2 - STOT RE 2 Oral

Organes cibles

Kidney,Bone, Liver,Gastrointestinal tract,Immune system

Risques supp

EUH031

Code de la classe de stockage

11 - Combustible Solids

Classe de danger pour l'eau (WGK)

WGK 3

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Certificats d'analyse (COA)

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Articles

Quantum Dots

Quantum dots are tiny particles or nanocrystals of a semiconducting material with diameters in the range of 2-10 nanometers.

Nanoscale Light Harvesters: Solar Cells

Dye-sensitized solar cells as a promising, low-cost photovoltaic technology.

Advancements in Quantum Dot Solar Cells

Professor Sharma and colleagues review the synthesis and applications of this novel material. This includes a discussion of the unique properties of quantum dots and their suitability for solar cell applications, along with common synthesis techniques used to develop these materials.

Applications of Quantum Dots in Bioimaging and Bioassays

Professor Xiaohu Gao (University of Washington, USA) provides a overview of recent quantum dot (QD) advancements and their potential for advancing bioassay and bioimaging technologies.

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