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776777

Sigma-Aldrich

InP/ZnS quantum dots

stabilized with oleylamine ligands, fluorescence λem 620 nm, 5 mg/mL in toluene

Synonym(s):

Cadmium free core shell quantum dots, Cadmium free quantum dots, Core/Shell heavy metal free quantum dots, Fluorescent nanocrystals

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About This Item

Linear Formula:
InP/ZnS
UNSPSC Code:
26111700
NACRES:
NA.23

Quality Level

form

liquid

concentration

5 mg/mL in toluene

fluorescence

FWHM <70 nm, quantum yield ~30%
λem 620 nm

storage temp.

2-8°C

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Application

InP/ZnS core shell nanocrystals are Cadmium free/heavy metal free quantum dots suitable for different applications like light emitting diodes (LEDs; display; biomedical applications. The toxicity of Cd compounds
and the corresponding regulations worldwide makes these InP/ZnS quantum dots as more desirable alternatives for consumer applications.

Other Notes

Material has a shelf life of at least 1 year (stored at 4-10°C in the dark under inert gas such as nitrogen or argon)

Signal Word

Danger

Hazard Classifications

Aquatic Chronic 3 - Asp. Tox. 1 - Carc. 1B - Flam. Liq. 2 - Repr. 2 - Skin Irrit. 2 - STOT RE 1 - STOT RE 2 - STOT SE 3

Target Organs

Central nervous system, Lungs, Respiratory system

WGK

WGK 3

Flash Point(F)

closed cup

Flash Point(C)

closed cup


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Visual color changes between 300 and 510 K were observed in the photoluminescence (PL) of colloidal InP/ZnS core-shell nanocrystals. A subsequent study of PL spectra in the range 2-510 K and fitting the temperature dependent line shift and line width

Articles

Since the first report of the low-cost dye-sensitized solar cell (DSSC) in 1991 by Gratzel and his coworker,1 dye-sensitized solar cells (DSSC) has been regarded as one of the most promising photovoltaic technologies because of their transparent and colorful characteristics, as well as low cost.

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Professor Xiaohu Gao (University of Washington, USA) provides a overview of recent quantum dot (QD) advancements and their potential for advancing bioassay and bioimaging technologies.

Studies on perovskite quantum dots are developing and progress has been made toward overcoming the challenges of QDs. Strategies to fabricate high-quality materials have enabled rapid light-emitting device development.

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