Fig. 3
From: Planar and van der Waals heterostructures for vertical tunnelling single electron transistors
Characterisation of GQD-hBN interface of the in-plane heterostructure with GQDs of the size of 7 nm. a Raman spectra of GQD-hBN planar heterostructure (red) and pristine hBN (blue). XPS spectra of GQD-hBN planar heterostructure: b boron 1s, c nitrogen 1s and d carbon 1s spectrum
