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CdSe/CdS/ZnS QDs modified by quaternary ammonium surface ligands

Based on

1 Articles
2011 Most recent source

Composition

1

cadmium selenide

Type Single Compound
Formula CdSe
Role core
2

cadmium sulphide

cadmium sulfide hawleyite
Type Single Compound
Formula CdS
Role layer
3

zinc sulfide

Type Single Compound
Formula ZnS
Role layer
4

N-(2-trimethylammonioethyl)1,2-dithiolane-3-pentanamide chloride

Type Single Compound
Formula C13H27N2OS2Cl
Role layer

Properties

General physical and chemical properties

Property Value Nanomaterial Variant Source
colloidal stability dependent on sodium chloride concentration

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Applications

Characterization

Method Nanomaterial Variant Source
dynamic light scattering

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Biological effects

Preparation

Method 1

Type: Chemical synthesis
Source:
Starting materials
  • N-(2-trimethylammonioethyl)1,2-dithiolane-3-pentanamide chloride
  1. w5uUWaSPW3FX
  2. 16RLfPIecUiwl2pX16
  3. DQhbDfVL1yjtXqjmC
Product

CdSe/CdS/ZnS QDs modified by quaternary ammonium surface ligands

Diameter: 4.9 nm

Diameter: ~ 6.5 nm

Hydrodynamic diameter: ~ 7 - ~ 10 nm

Thickness: 0.8 nm

Thickness: ~ 1 nm

Medium: water

Support: none

References

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