Abstract
We investigate the electronic structure of a quasi-free-standing single layer of a B3N3-doped nanographene molecule deposited on Au(111) single crystals. The single layer shows very high orientational order, as well as high chemical and vacuum stability. We demonstrate that the borazine doping is an alternative way to design a material having electronic properties similar to doped graphene/h-BN. Specifically, borazine doping of nanographenes leads to tuning the gap in the same energy range of carbon-doped h-BN, in agreement with the expected doping effect of graphene quantum dots in h-BN. We support our experimental findings by first-principles calculations.
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