Table 1 Comparison of GQDs synthesized from various methods.
From: Large Scale Synthesis and Light Emitting Fibers of Tailor-Made Graphene Quantum Dots
Precursor | Synthetic method | Quantum yield (%) (Color) | Production yield (wt%) | Ref. |
|---|---|---|---|---|
Graphene oxide | Selective elimination of defective (amorphous) area (Top-down) | 8 (Yellow) | 70 | this work |
15 (Green) | 72 | |||
16 (Blue) | 58 | |||
Graphite | Oxidative cutting/post-functionalization (Top-down) | 2 (White) | N/A | |
Graphite | Intercalation compound-assisted exfoliation (Top-down) | 4 (Blue) | N/A | |
Carbon soot | Thermal plasma jet (Top-down) | 13 (Blue) | N/A | |
Graphite | Electrochemical oxidation (Top-down) | N/A | 40 | |
Glucose | Microwave-assisted hydrothermal (Bottom-up) | 11 (Blue) | 78 | |
Glycerol | Microwave-assisted pyrolysis (Bottom-up) | N/A | 10 |
