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Merck
CN

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:
1306-23-6
Molecular Weight:
144.48
PubChem Substance ID:
329760226
UNSPSC Code:
26111700
MDL number:
MFCD00010922

Key Documents

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InChI

1S/Cd.S

InChI key

CJOBVZJTOIVNNF-UHFFFAOYSA-N

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

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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

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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Certificates of Analysis (COA)

Lot/Batch Number
MKBP4725V
MKBG7419
MKBH7128V
MKBH7128
MKAA2015

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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
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
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.
Li-Jing He et al.
Chemical communications (Cambridge, England), 49(15), 1539-1541 (2013-01-17)
A reusable potassium ion biosensor was reported for the first time based on the reversible DNA structural change and the interaction between surface plasmons of Au nanoparticles (NPs) and the ECL emission of CdS nanocrystals (NCs).
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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