The Global Market for Graphene Quantum Dots

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Carbon dots and graphene quantum dots (CDs, 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 carbon dots, combining the structure of graphene with the quantum confinement and edge effects of CDs.  They possess unique optical and electrical properties such as:

  • strong photoluminescence
  • biocompatibility
  • exhibit band gap (unlike graphene sheets).

As a result they are being widely investigated for applications in optoelectronics, biomedicine and sensors.

GQDs are promising materials as substitutes for Cd, Ir, Ga, S, Se and P quantum dots (QDs) and possess unique structural and photophysical properties. Compared with Quantum Dots (QDs), GQDs are potentially superior due to their high photostability against photobleaching and blinking, biocompatibility, and low toxicity.

Report contents include:

  • Properties of graphene quantum dots (GQDs).
  • Synthesis and production assessment graphene quantum dots (GQDs).
  • Applications of graphene quantum dots (GQDs).
  • Addressable markets for graphene quantum dots (GQDs) including Optoelectronics, Photocatalysis, Batteries, Fuel cells, Photovoltaics, Biomedicine and life sciences, Anti-counterfeiting,  Detergents.
  • Production and pricing.
  • Company profiles including Dotz Nano Ltd., Green Science Alliance Co., Ltd., KRI, Inc. and ZEN Graphene Solutions Ltd.

Published November 2019 | 27 pages, 17 tables, 8 figures | Table of contents

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The Global Market for Graphene Quantum Dots
The Global Market for Graphene Quantum Dots
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The Global Market for Graphene Quantum Dots
The Global Market for Graphene Quantum Dots
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The Global Market for Graphene Quantum Dots
The Global Market for Graphene Quantum Dots
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TABLE OF CONTENTS

1        EXECUTIVE SUMMARY…………………………………………………………………………………………………………….. 6

  • 1.1     Market summary……………………………………………………………………………………………………………………. 6
  • 1.2     Markets and applications…………………………………………………………………………………………………………. 7

2        RESEARCH METHODOLOGY…………………………………………………………………………………………………….. 8

3        INTRODUCTION……………………………………………………………………………………………………………………….. 9

  • 3.1     Properties……………………………………………………………………………………………………………………………. 9
    • 3.1.1       Carbon quantum dots…………………………………………………………………………………………………….. 9
    • 3.1.2       Graphene quantum dots…………………………………………………………………………………………………. 9
  • 3.2     Synthesis…………………………………………………………………………………………………………………………… 11
    • 3.2.1   Recent synthesis methods…………………………………………………………………………………………. 12

4        MARKETS FOR GRAPHENE QUANTUM DOTS……………………………………………………………………………. 14

  • 4.1     Optoelectronics……………………………………………………………………………………………………………………. 14
  • 4.2     Photocatalysis…………………………………………………………………………………………………………………….. 14
  • 4.3     Batteries…………………………………………………………………………………………………………………………….. 15
  • 4.4     Fuel cells……………………………………………………………………………………………………………………………. 16
  • 4.5     Photovoltaics………………………………………………………………………………………………………………………. 16
  • 4.6     Biomedicine and life sciences…………………………………………………………………………………………………. 17
  • 4.7     Anti-counterfeiting………………………………………………………………………………………………………………… 18
  • 4.8     Detergents………………………………………………………………………………………………………………………….. 18

5        MARKET AND TECHNOLOGY CHALLENGES……………………………………………………………………………… 19

6        TECHNOLOGY READINESS LEVEL (TRL)………………………………………………………………………………….. 20

7        PRODUCTION OF GRAPHENE QUANTUM DOTS…………………………………………………………………………. 21

  • 7.1     Current and projected volumes……………………………………………………………………………………………….. 21
  • 7.2     Prices………………………………………………………………………………………………………………………………… 21

8        GRAPHENE QUANTUM DOTS PRODUCER PROFILES…………………………………………………………………. 22

9        REFERENCES………………………………………………………………………………………………………………………… 26

Tables

  • Table 1. Market summary for Graphene Quantum Dots (GQDs)…………………………………………………………………… 6
  • Table 2. Addressable markets and applications for Graphene Quantum Dots (GQDs)……………………………………….. 7
  • Table 3. Comparison of graphene QDs and semiconductor QDs…………………………………………………………………. 10
  • Table 4. Photoluminescent properties of GQDs……………………………………………………………………………………….. 11
  • Table 5. Synthesis methods for graphene quantum dots……………………………………………………………………………. 11
  • Table 6. Recent synthesis methods for GQDs…………………………………………………………………………………………. 12
  • Table 7. Graphene Quantum Dots in optoelectronics………………………………………………………………………………… 14
  • Table 8. Graphene Quantum Dots in photocatalysis…………………………………………………………………………………. 14
  • Table 9. Graphene Quantum Dots in batteries………………………………………………………………………………………… 15
  • Table 10. Graphene Quantum Dots in fuel cells………………………………………………………………………………………. 16
  • Table 11. Graphene Quantum Dots in photovoltaics…………………………………………………………………………………. 16
  • Table 13. Graphene Quantum Dots in biomedicine and life sciences……………………………………………………………. 17
  • Table 14. Graphene Quantum Dots in anti-counterfeiting…………………………………………………………………………… 18
  • Table 15. Graphene Quantum Dots in detergents…………………………………………………………………………………….. 18
  • Table 16. Market and technical challenges for Graphene Quantum Dots……………………………………………………….. 19
  • Table 17. Pricing of Graphene Quantum Dots…………………………………………………………………………………………. 21

Figures

  • Figure 1: Green-fluorescing graphene quantum dots………………………………………………………………………………….. 6
  • Figure 2: 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)………………………………………………………………………… 10
  • Figure 3. Graphene quantum dots………………………………………………………………………………………………………… 11
  • Figure 4. Schematic of GQD functionalization…………………………………………………………………………………………. 13
  • Figure 5. Technology Readiness Level (TRL) for Graphene Quantum Dots……………………………………………………. 20
  • Figure 6. Production of Graphene Quantum Dots…………………………………………………………………………………….. 21
  • Figure 7. Graphene Quantum Dot + Silica based Inorganic Composite Material under UV light………………………….. 23
  • Figure 8. Graphene Quantum Dot + Silica based Inorganic Composite Material under room light……………………….. 24