Layers are then exfoliated by placing the functionalized boron nitride into a solvent .
Layers are then allow the solvation force between the attached groups and the solvent to overcome the Van der Waal forces present in each layer .
Layers are then exfoliated by placing the functionalized boron nitride into a solvent and allow the solvation force between the attached groups and the solvent to overcome the Van der Waal forces present in each layer .