The Global Market for Graphene Quantum Dots

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Published December 2020, 47 pages, 15 tables, 18 figures

Graphene quantum dots (GQDs) represent relatively new members of the carbon nanomaterials family. Studies have demonstrated that quantum confinement could appear in graphene with finite size and edge effects-graphene quantum dots (GQDs). GQDs display properties derived from both graphene and quantum dots (QDs), combining the structure of graphene with the edge effects, non-zero band gap, and quantum confinement effects of QDs. They possess unique optical and electrical properties such as:

  • high quantum yield
  • high electrical conductivity
  • high thermal conductivity
  • excellent photostability
  • biocompatibility
  • superior stability compared to non-carbon QDs.
  • highly tunable photoluminescence (PL)
  • electrochemiluminescence
  • exceptional multi-photon excitation (up-conversion) property
  • ease of functionalization
  • low-toxicity.

 

As a result, they are being widely investigated for applications in optoelectronics, photonics, biomedicine, energy storage and conversion, anti-counterfeiting and sensors.

Report contents include:

  • Properties of graphene quantum dots (GQDs).
  • Comparison to quantum dots. 
  • Synthesis and production assessment.
  • Applications of graphene quantum dots (GQDs).
  • Addressable markets for graphene quantum dots (GQDs) including Optoelectronics, Photonics, Energy storage and conversion, Biomedicine and life sciences and Anti-counterfeiting.
  • Global revenues estimated to 2030 by market.
  • Market and technology challenges for graphene quantum dots (GQDs).
  • Pricing.
  • Company profiles including Dotz Nano Ltd., Green Science Alliance Co., Ltd., Quantuag Nanotechnologies and Qurv Technologies.

 

Table of contents (PDF)

Table of contents (PDF)

1              OVERVIEW OF GRAPHENE            7

  • 1.1          History  7
  • 1.2          Types of graphene           8
  • 1.3          Properties           9

 

2              OVERVIEW OF QUANTUM DOTS 10

  • 2.1          Properties           10
  • 2.2          Synthesis             12
  • 2.3          Types    14
    • 2.3.1      Cadmium Selenide, Cadmium Sulfide and other materials              14
    • 2.3.2      Cadmium free quantum dots      14
  • 2.4          Carbon quantum dots (CDs)        14
    • 2.4.1      Properties           14
    • 2.4.2      Applications       15
  • 2.5          Perovskite quantum dots (PQDs)              16
    • 2.5.1      Properties           17
    • 2.5.2      Comparison to conventional quantum dots          17
    • 2.5.3      Synthesis methods          18
    • 2.5.4      Applications       18
      • 2.5.4.1   Displays                19

 

3              GRAPHENE QUANTUM DOTS      21

  • 3.1          Composition      21
  • 3.2          Comparison to quantum dots     22
  • 3.3          Properties           23
  • 3.4          Synthesis             23
    • 3.4.1      Top-down method          23
    • 3.4.2      Bottom-up method         24
    • 3.4.3      Comparison of synthesis methods            24
  • 3.5          Applications       26

 

4              MARKETS FOR GRAPHENE QUANTUM DOTS        27

  • 4.1          Electronics and photonics             27
  • 4.2          Energy storage and conversion  28
  • 4.3          Sensors 29
  • 4.4          Biomedicine and life sciences     30
  • 4.5          Anti-counterfeiting         31

 

5              MARKET AND TECHNOLOGY CHALLENGES             32

 

6              TECHNOLOGY READINESS LEVEL (TRL)     33

 

7              PRODUCTION OF GRAPHENE QUANTUM DOTS   34

  • 7.1          Current and projected revenues 34
  • 7.2          Pricing   35

 

8              GRAPHENE QUANTUM DOTS PRODUCER PROFILES.          36

 

9              REFERENCES       44

 

Tables

  • Table 1: Properties of graphene, properties of competing materials, applications thereof.              9
  • Table 2: Chemical synthesis of quantum dots.     12
  • Table 3: Applications of carbon quantum dots.    16
  • Table 4. Comparative properties of conventional QDs and Perovskite QDs.             18
  • Table 5. Applications of perovskite QDs. 18
  • Table 6. Development roadmap for perovskite QDs.         19
  • Table 7. Properties of perovskite QLEDs comparative to OLED and QLED. 20
  • Table 8. Comparison of graphene QDs and semiconductor QDs.  22
  • Table 9. Advantages and disadvantages of methods for preparing GQDs. 25
  • Table 10. Applications of graphene quantum dots.            26
  • Table 11. Markets and applications for graphene quantum dots in electronics and photonics.        27
  • Table 12. Markets and applications for graphene quantum dots in energy storage and conversion.             28
  • Table 12. Markets and applications for graphene quantum dots in sensors.           29
  • Table 12. Markets and applications for graphene quantum dots in biomedicine and life sciences. 30
  • Table 13. Markets and applications for graphene quantum dots in electronics.     31
  • Table 14. Market and technology challenges for graphene quantum dots.              32
  • Table 15. Prices for graphene quantum dots.       35

 

Figures

  • Figure 1: Graphene layer structure schematic.     7
  • Figure 2: Illustrative procedure of the Scotch-tape based micromechanical cleavage of HOPG.       7
  • Figure 3: Graphite and graphene.             8
  • Figure 4: Graphene and its descendants: top right: graphene; top left: graphite = stacked graphene; bottom right: nanotube=rolled graphene; bottom left: fullerene=wrapped graphene.   9
  • Figure 5: Quantum dot schematic.            11
  • Figure 6. Quantum dot size and colour.   11
  • Figure 7. Carbon dots development.        15
  • Figure 8. A pQLED device structure.         17
  • Figure 9: Perovskite quantum dots under UV light.            19
  • Figure 10: Green-fluorescing graphene quantum dots.    21
  • Figure 11. Schematic of (a) CQDs and (c) GQDs. HRTEM images of (b) C-dots and (d) GQDs showing combination of zigzag and armchair edges (positions marked as 1–4).      22
  • Figure 12. Graphene quantum dots.        24
  • Figure 13. Top-down and bottom-up methods.   25
  • Figure 14: TRL for graphene quantum dots.          33
  • Figure 15. Revenues for graphene quantum dots 2019-2030, millions USD              34
  • Figure 16. Dotz Nano GQD products.       36
  • Figure 17.  InP/ZnS, perovskite quantum dots and silicon resin composite under UV illumination. 39
  • Figure 18. Quantag GQDs and sensor.     41

 

 

 

The Global Market for Graphene Quantum Dots
The Global Market for Graphene Quantum Dots
PDF download.

The Global Market for Graphene Quantum Dots
The Global Market for Graphene Quantum Dots
Print edition (including tracked delivery).

The Global Market for Graphene Quantum Dots
The Global Market for Graphene Quantum Dots
PDF download and print edition.

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