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graphene quantum dots

Based on

2 Articles
2015 Most recent source

Composition

1

graphite

Type Single Compound
Formula C
Role raw materials
2

carboxyl group

carboxyl
Type Single Compound
Formula -CHO2
Role layer
3

hydroxyl group

hydroxy group hydroxyl hydroxy
Type Single Compound
Formula -OH
Role layer

Properties

General physical and chemical properties

Property Value Nanomaterial Variant Source
photoluminescence quantum yield

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Characterization

Method Nanomaterial Variant Source
atomic force microscopy

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Preparation

Method 1

Type: Chemical synthesis
Source:
Starting materials
  • graphite
  • nitric acid
  • sulphuric acid
  1. FVpROj
  2. itU4Y
Product

graphene quantum dots

Diameter: ~ 2 - ~ 5 nm

Hydrodynamic radius: ~ 2.4 nm

Medium/Support: none

Method 2

Type: Chemical synthesis
Source:
Starting materials
  • nitric acid
  • carbon Vulcan XC72
  1. vWJYU3
Product

graphene quantum dots

Thickness: 0.3 - 0.9 nm

Medium/Support: none

Method 3

Type: Physical formation
Source:
Starting materials
Product

graphene quantum dots

Size: not specified

Medium: none

Support: glass-like carbon

Method 4

Type: Physical formation
Source:
Starting materials
Product

graphene quantum dots

Thickness: 0.3 - 0.9 nm

Medium: none

Support: glass-like carbon

Method 5

Type: Chemical synthesis
Source:
Starting materials
  1. RiG0cx1OKHawXXethx8TsPWkQNHrWiRUFSOo
  2. gLUIk4M6
  3. VyE1UK
Product

graphene quantum dots

Size: not specified

Medium/Support: none

References

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