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Sigma-Aldrich

Lumidot™ CdS

480, 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:
1306-23-6
Molecular Weight:
144.48
MDL number:
MFCD00010922
UNSPSC Code:
26111700

Quality Level

100

form

dispersion

concentration

5 mg/mL in toluene

particle size

5.4-7.3 nm

density

0.865 g/mL at 25 °C

λmax

450-470 nm

fluorescence

λem 470-490 nm FWHM 20 nm

storage temp.

2-8°C

SMILES string

[Cd]=S

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

signalword

Danger

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

wgk_germany

WGK 3

flash_point_f

39.2 °F

flash_point_c

4 °C

ppe

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

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Certificates of Analysis (COA)

Lot/Batch Number
MKBJ8560V
MKBH7876V
MKBP2497V
MKBG1139
MKBH7876

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Sandrine Ithurria et al.
Journal of the American Chemical Society, 134(45), 18585-18590 (2012-10-16)
Atomic layer deposition (ALD) is widely used for gas-phase deposition of high-quality dielectric, semiconducting, or metallic films on various substrates. In this contribution we propose the concept of colloidal ALD (c-ALD) for synthesis of colloidal nanostructures. During the c-ALD process
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
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
Yi-Hsin Liu et al.
Journal of the American Chemical Society, 134(45), 18797-18803 (2012-10-26)
Colloidal CdTe quantum wires are reported having ensemble photoluminescence efficiencies as high as 25% under low excitation-power densities. High photoluminescence efficiencies are achieved by formation of a monolayer CdS shell on the CdTe quantum wires. Like other semiconductor nanowires, the
Bandgap-graded CdS(x)Se(1-x) nanowires for high-performance field-effect transistors and solar cells.
Liang Li et al.
Advanced materials (Deerfield Beach, Fla.), 25(8), 1109-1113 (2012-12-13)
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