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924261

Sigma-Aldrich

Copper indium sulfide zinc sulfide (CuInS2/ZnS) core/shell Quantum Dots

in toluene, fluorescence λem 530 nm, 1 mg/mL

Synonym(s):

CIS QD, Fluorescent Nanocrystals, QDs

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About This Item

Linear Formula:
CuInS2/ZnS
UNSPSC Code:
12352302
NACRES:
NA.23

Quality Level

100

concentration

in toluene
1 mg/mL

fluorescence

FWHM <125 nm
λem 530 nm
, quantum yield ≥40%

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General description

Copper indium sulfide zinc sulfide (CuInS2/ZnS) core/shell quantum dots are a heavy metal-free, high-performance alternative to cadmium-based quantum dots. CuInS2 QDs, as the I–III–VI ternary semiconductor nanocrystals contain two cations (Cu+ and In3+) and one anion (S2–). These QDs have unique photophysical properties; that make them superior to molecular dyes. Advantages of QDs include higher photostability, broad absorption spectrum, high extinction coefficients, and tunable optical and electronic properties.

CuInS2/ZnS quantum dots possess brilliant quantum yield and excellent long-term stability, and these non-toxic quantum dots lack the environmental hazards of cadmium-based quantum dots.

Application

  • Batteries
  • Photovoltaics
  • Light-emitting diodes
  • Fluorescent labeling
  • Sensing
  • Biological imaging systems

Caution

Do not freeze.

Signal Word

Danger

Hazard Classifications

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

Target Organs

Central nervous system

Storage Class Code

3 - Flammable liquids

WGK

WGK 3

Flash Point(F)

39.9 °F - closed cup

Flash Point(C)

4.4 °C - closed cup

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

PRTR

Class I Designated Chemical Substances

FSL

Group 4: Flammable liquids
Type 1 petroleums
Hazardous rank II
Water insoluble liquid

ISHL Indicated Name

Substances Subject to be Indicated Names

ISHL Notified Names

Substances Subject to be Notified Names

JAN Code

924261-1MG:
924261-VAR:
924261-BULK:

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Cadmium-free CuInS2/ZnS quantum dots as efficient and robust photosensitizers in combination with a molecular catalyst for visible light-driven H2 production in water
Sandroni M, et al.
Energy & Environmental Science, 11, 1752-1761 (2018)
Xiangyang An et al.
ACS omega, 6(27), 17501-17509 (2021-07-20)
Cytochrome c (Cyt c), one of the most significant proteins acting as an electron transporter, plays an important role during the transferring process of the energy in cells. Apoptosis, one of the major forms of cell death, has been associated

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