Figure 2 | Scientific Reports

Figure 2

From: Ultrafast Method for Selective Design of Graphene Quantum Dots with Highly Efficient Blue Emission

Figure 2

PLE process for ultrafast design of GQDs with highly efficient blue emission.

(a) Time laps images of the MWCNTs suspension during PLE process. (b) Schematic illustration of MWCNTs suspension during PLE process showing cone-shape convection. HR TEM images of MWCNTs (c) before laser ablation, (d) after laser irradiated 1 min, (e) 6 min, respectively. Scale bar 50 nm (top TEM images), Scale bar 5 nm (bottom HR-TEM images) (f) Schematic illustration of possible mechanism for the exfoliation MWCNTs to GQDs.

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