Figure 1

(A) XRD patterns of the h-BN nanosheets formed at different temperatures with a salt-to-reactant ratio of 2:1 and a N-to-B ratio of 2:1. (B) XRD patterns of the h-BN nanosheets formed at 1000 °C with a N-to-B ratio of 2:1 and different ratios of salt to reactant.