662429
Lumidot™ CdS
380, core-type quantum dots, 5 mg/mL in toluene
Synonym(s):
Cadmium monosulfide, Cadmium sulfide yellow
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About This Item
Linear Formula:
CdS
CAS Number:
Molecular Weight:
144.48
MDL number:
UNSPSC Code:
26111700
PubChem Substance ID:
form
dispersion
concentration
5 mg/mL in toluene
particle size
1.6-1.8 nm
density
0.865 g/mL at 25 °C
λmax
350-370 nm
fluorescence
λem 370-390 nm FWHM 20 nm~
storage temp.
2-8°C
InChI
1S/Cd.S
InChI key
CJOBVZJTOIVNNF-UHFFFAOYSA-N
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General description
Organically stabilized cadmium sulfide quantum dots in toluene
Analysis Note
Particle size was determined by TEM according to the procedure in Yu, W. W., et al., Chem. Mater., 2003, 15, 2854.
Quantum yield was measured following the procedure of Qu, L., Peng, X., J. Am. Chem. Soc., 2002, 124-2049.
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
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Aquatic Chronic 3 - Asp. Tox. 1 - Carc. 1B - Flam. Liq. 2 - Repr. 2 - Skin Irrit. 2 - STOT RE 2 - STOT SE 3
Target Organs
Central nervous system
Storage Class Code
3 - Flammable liquids
WGK
WGK 3
Flash Point(F)
39.2 °F
Flash Point(C)
4 °C
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
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Shancheng Yan et al.
Journal of nanoscience and nanotechnology, 13(6), 4242-4246 (2013-07-19)
A roll-on transfer strategy is developed to enable large-scale and uniform assembly of CdS nanowires on various rigid and flexible substrate materials. In this method, the CdS nanowires were synthesized by the hydrothermal method. The dispersed CdS NWs could be
Ou Chen et al.
Nature materials, 12(5), 445-451 (2013-02-05)
High particle uniformity, high photoluminescence quantum yields, narrow and symmetric emission spectral lineshapes and minimal single-dot emission intermittency (known as blinking) have been recognized as universal requirements for the successful use of colloidal quantum dots in nearly all optical applications.
C Javaux et al.
Nature nanotechnology, 8(3), 206-212 (2013-02-12)
Applications of semiconductor nanocrystals such as biomarkers and light-emitting optoelectronic devices require that their fluorescence quantum yield be close to 100%. However, such quantum yields have not been obtained yet, in part, because non-radiative Auger recombination in charged nanocrystals could
Janusz Szeremeta et al.
Nanoscale, 5(6), 2388-2393 (2013-02-12)
Wide wavelength range (550-1600 nm) measurements of nonlinear optical properties of ca. 5 nm CdS quantum dots (QDs) colloidal solution were performed using the Z-scan technique with femtosecond laser pulses at 1 kHz. Parameters characterizing nonlinear absorption and nonlinear refraction
Mark P Hendricks et al.
ACS nano, 6(11), 10054-10062 (2012-10-10)
We describe the synthesis of cadmium bis(diphenyldithiophosphinate) (Cd(S(2)PPh(2))(2)) from secondary phosphine sulfides and its conversion to cadmium sulfide nanocrystals. Heating Cd(S(2)PPh(2))(2) and cadmium tetradecanoate (≥4 equiv) to 240 °C results in complete conversion of Cd(S(2)PPh(2))(2) to cadmium sulfide nanocrystals with
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