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SiO2 · Eu2O3 rattle-type spheres/silica spheres mixture

Based on

1 Articles
2013 Most recent source

Composition

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

1

amorphous silicon dioxide

amorphous silicic oxide amorphous silica
Type Single Compound
Formula SiO2
Role raw materials
2

Eu2O3-doped silica rattle-type spheres

SiO2 · Eu2O3 rattle-type spheres
Type Nano Material
Formula
Role raw materials
3

europium(III) oxide

Type Single Compound
Formula Eu2O3
Role dopant

Characterization

Method Nanomaterial Variant Source
transmission electron microscopy

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Preparation

Method 1

Type: Chemical synthesis
Source:
Starting materials
  • ammonia aqueous solution
  • water
  • silicic acid tetraethyl ester
  1. ZkMUEo90yqBJ8H35Hi
Product

SiO2 · Eu2O3 rattle-type spheres/silica spheres mixture

Core diameter: ~ 70 - ~ 90 nm

Diameter: ~ 208 - ~ 217 nm

Diameter: ~ 210 - ~ 220 nm

Shell thickness: ~ 11 - ~ 15 nm

Medium/Support: none

Method 2

Type: Chemical synthesis
Source:
Starting materials
  • ammonia aqueous solution
  • water
  • silicic acid tetraethyl ester
  1. DZ7zRC3jTdXiaJlU3Z
Product

SiO2 · Eu2O3 rattle-type spheres/silica spheres mixture

Core diameter: ~ 97 nm

Diameter: ~ 216 - ~ 305 nm

Shell diameter: ~ 317 nm

Shell thickness: ~ 10 nm

Medium/Support: none

References

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