Anomalous behaviors of visible luminescence from graphene quantum dots: interplay between size and shape.

By Sung Kim, Sung Won Hwang, Min-Kook Kim, D. Shin, D. Shin, Chang Oh Kim, Seung Bum Yang, Jae H. Park, E. Hwang, S. Choi and 6 more. ACS Nano, 2012

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Optical Properties of Carbon Dots: A Review (2020, background): “Furthermore, Choi Volume 1 Issue 1|2020| 4 Nanoarchitectonics et al.[33] demonstrated that the anomalous fluorescent behaviors of GQDs in the 5−35 nm size range are arising from the size-dependent shape and corresponding edge-state variations of GQDs. Lin’s group[9] prepared three CDs with red, gree”
Tuning the photoluminescence of graphene quantum dots through the charge transfer effect of functional groups. (2013, background): “Since the most GQDs and GQDs-NHR are close to circular shapes rather than polygonal shapes, both of them show the random or mixed edges.(6) It shows that edge structures of GQDs are not significantly affected by functionalization.”