662356
Lumidot™ CdSe
480, core-type quantum dots, 5 mg/mL in toluene
Synonym(s):
Cadmium monoselenide
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About This Item
Empirical Formula (Hill Notation):
CdSe
CAS Number:
Molecular Weight:
191.37
UNSPSC Code:
26111700
eCl@ss:
32161000
PubChem Substance ID:
MDL number:
Quality Level
form
dispersion
concentration
5 mg/mL in toluene
particle size
2.1-2.3 nm
λmax
455-465 nm
fluorescence
λem 475-485 nm FWHM 24 nm
storage temp.
2-8°C
InChI
1S/Cd.Se
InChI key
AQCDIIAORKRFCD-UHFFFAOYSA-N
General description
Organically stabilized cadmium selenide quantum dots in toluene
Application
Analysis Note
Quantum yield was measured following the procedure of Qu, L., Peng, X., J. Am. Chem. Soc., 2002, 124-2049.
Particle size was determined by TEM according to the procedure of Yu, W. W., et al., Chem. Mater., 2003, 15, 2854.
Other Notes
Lifetime one year if stored properly
Legal Information
Product of Nanoco Technologies sold under US and worldwide patents and patents pending.
Lumidot is a trademark of Sigma-Aldrich Co. LLC
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Danger
Hazard Classifications
Aquatic Chronic 2 - Asp. Tox. 1 - Flam. Liq. 2 - Repr. 2 - Skin Irrit. 2 - STOT RE 2 - STOT SE 3
target_organs
Central nervous system, Respiratory system
Storage Class
3 - Flammable liquids
wgk
WGK 3
flash_point_f
39.2 °F
flash_point_c
4 °C
ppe
Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
Regulatory Information
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David T R Stewart et al.
Environmental toxicology and chemistry, 32(6), 1288-1294 (2013-02-19)
The present study addresses the bioaccumulation behavior of cadmium selenide quantum dots by Eisenia andrei earthworms in a terrestrial environment. Earthworms were exposed to quantum dot-treated soil for up to 4 wk and analyzed for cadmium and selenium concentration using
Haritz Etxeberria et al.
Journal of nanoscience and nanotechnology, 13(1), 643-648 (2013-05-08)
CdSe nanoparticles with polystyrene (PS) brushes are obtained by "grafting through" technique starting from solely aqueously synthesized nanoparticles. Mercaptoethanol (ME) capped nanoparticles are used to achieve double bond functional groups on the surface by condensation reaction with methacryloxypropyltrimethoxysilane (MPS). PS
Shan Liang et al.
Optics express, 21(3), 3253-3258 (2013-03-14)
The CdS/SiO(2) core/shell nanowires (NWs) with controlled shell thickness were successfully synthesized and subsequently heat-treated at 500 °C. The influences of silica shell coating and annealing processes on their optical properties have been investigated. Compared with original CdS NWs, the