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graphene quantum dots

Based on

1 Articles
2015 Most recent source

Composition

1

graphene nanosheets

graphene sheets graphene
Type Nano Material
Formula
Role core
2

hydroxide radical

hydroxide group hydroxyl group hydroxy group hydroxy-group hydroxyl hydroxy
Type Single Compound
Formula *OH
Role layer
3

carboxyl group

carboxyl
Type Single Compound
Formula -CHO2
Role layer
4

carbonyl group

acetyl moiety ketone group keto group carbonyl
Type Single Compound
Formula -C(O)-
Role layer
5

amino group

amine group amino
Type Single Compound
Formula -NH2
Role layer

Properties

General physical and chemical properties

Property Value Nanomaterial Variant Source
photoluminescence lifetime dependent on time of uv exposure

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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
  1. VxDNQQRh5FidWL8
  2. 69u1Hhx7PUbNXaqZ2UWd8kIk5ad
Product

graphene quantum dots

Diameter: ~ 4.6 nm

Height: 0.8 nm

Medium/Support: none

Method 2

Type: Chemical synthesis
Source:
Starting materials
  • graphite
  1. ngjKAi6VNV1u1Gj
  2. MI7TdXAshlZOI3sgBAV4bexLCEC
Product

graphene quantum dots

Diameter: 4.41 nm

Medium/Support: none

Method 3

Type: Chemical synthesis
Source:
Starting materials
  • highly oriented pyrolytic graphite
  1. XKcHErOdqQZTdwY
  2. Rc9fICcMGCq2dccg7pAFvDhugPp
Product

graphene quantum dots

Diameter: 1.77 nm

Medium/Support: none

Method 4

Type: Chemical synthesis
Source:
Starting materials
  • graphite
  1. 7DFk6rJtZOGoF0s
  2. 7Zcf4Ul4oQ058j3lEGG0ScFrxsL
Product

graphene quantum dots

Diameter: 2.85 nm

Medium/Support: none

Method 5

Type: Chemical synthesis
Source:
Starting materials
  • graphite
  1. DHSyHMvYsnwJlAH
  2. sOMz6fsYjQJdjB2Fhb2hAea80KP
Product

graphene quantum dots

Diameter: 3.32 nm

Medium/Support: none

References

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