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777935

Sigma-Aldrich

CdTe core-type quantum dots

COOH functionalized, fluorescence λem 520 nm, powder

Synonyme(s) :

Fluorescent nanocrystals, QDs, artificial atoms

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About This Item

Formule linéaire :
CdTe
Numéro CE :
215-149-9
Code UNSPSC :
26111700
Nomenclature NACRES :
NA.23

Niveau de qualité

100

Forme

powder

Fluorescence

λem 520 nm
, quantum yield 36%

Température de stockage

2-8°C

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Application

Cadmium Telluride Quantum Dots (CdTe QDs) are available in solid form. They are coated with carboxyl groups which makes them water soluble to make aqueous solutions. These carboxyl functionalized hydrophilic quantum dots can be further conjugated for use as labels. CdTe QDs can be used for optical and display applications; solar cells and biomedical applications.

Pictogrammes

Exclamation markEnvironment
GHS07,GHS09

Mention d'avertissement

Warning

Classification des risques

Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Organes cibles

Respiratory system

Code de la classe de stockage

11 - Combustible Solids

Classe de danger pour l'eau (WGK)

WGK 3

Certificats d'analyse (COA)

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Julie Hottechamps et al.
Chemphyschem : a European journal of chemical physics and physical chemistry, 21(9), 853-862 (2020-02-23)
As luminescent quantum dots (QDs) are known to aggregate themselves through their chemical activation by carbodiimide chemistry and their functionalization with biotin molecules, we investigate both effects on the fluorescence properties of CdTe QDs and their impact on Förster Resonant
R S Aga et al.
Nanotechnology, 20(46), 465204-465204 (2009-10-23)
A photosensitized high-surface area transparent electrode has been employed to increase the short circuit current of a photovoltaic device with a blend of poly(3-hexylthiophene) (P3HT) and (6,6)-phenyl C61 butyric acid methyl ester (PCBM) as the active layer. This is achieved
P Haro-González et al.
Small (Weinheim an der Bergstrasse, Germany), 8(17), 2652-2658 (2012-06-16)
The potential use of CdTe quantum dots as luminescence nano-probes for lifetime fluorescence nano-thermometry is demonstrated. The maximum thermal sensitivity achievable is strongly dependent on the quantum dot size. For the smallest sizes (close to 1 nm) the lifetime thermal
A Rameshkumar et al.
Colloids and surfaces. B, Biointerfaces, 101, 74-82 (2012-07-17)
This study was undertaken to evaluate the antioxidant potential of an aqueous extract from Merremia emarginata leaves because this plant has a very high flavonoid and phenol content. The in vitro antioxidant activity was measured by diphenyl-1-picrylhydrazyl (DPPH), 2,2'-azino-bis (3-ethylbenzthiazoline-6-sulphonic

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