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CdSe/CdS/ZnS QDs modified by sulfonate surface ligands

Based on

1 Articles
2011 Most recent source

Composition

Image only illustrates the order and placement of components as described in literature.

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

sodium 2-(5-(1,2-dithiolan-3-yl)pentanamido)ethanesulfonate

Type Single Compound
Formula C10H18NO4S3Na
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
  • sodium 2-(5-(1,2-dithiolan-3-yl)pentanamido)ethanesulfonate
  1. oGg9i1Dd2xmL
  2. wrzTh3NduoA6VVmCUC
  3. z5OssCBlAUgL8ZmTr
Product

CdSe/CdS/ZnS QDs modified by sulfonate 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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