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Graphene quantum dots with visible light absorption of the carbon core: insights from single-particle spectroscopy and first principles based theory

Ghosh, Siddharth ; Awasthi, Manohar ; Ghosh, Moumita ; Seibt, Michael ; Niehaus, Thomas A.


Luminescent carbon nanodots (CND) are a recent addition to the family of carbon nanostructures. Interestingly, a large group of CNDs are fluorescent in the visible spectrum and possess single dipole emitters with potential applications in super-resolution microscopy, quantum information science, and optoelectronics. There is a large diversity of CND's size as well as a strong variability of edge ...


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