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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

WGK

WGK 3

Regulatory Information

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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
Multisociety Consensus Quality Improvement Revised Consensus Statement for Endovascular Therapy of Acute Ischemic Stroke.
David Sacks et al.
International journal of stroke : official journal of the International Stroke Society, 13(6), 612-632 (2018-05-23)

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