Abstract
In this work, we design the model for carbon nanodots with 0.21 nm regular lattice fringes patterns in a TEM image observed in multiple experiments. Based on the structural and microscopic data analysis, we proposed a system built from AA-stacked graphene layers with several interlayer covalent C–C bonds and functional groups on the surface. Evaluation of the stability of considered systems upon change in the number of constituting graphene layers, breaking interlayer covalent C–C bonds, formation of vacancies, and changes of functional groups on the surface have been carried out. We also demonstrate the dependence of the bandgap of such carbon nanodots upon the described conditions. The possible assembly mechanism of such a system was also discussed.
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