Complex sentence: This facile method was first used by Novoselov and Geim to obtain graphene from graphite crystals.But it cannot be employed for a uniform 1-D layers, because of less adhesion of MoS2 with the substrate (either Si, glass or quartz).
Split into simpler sentences: This facile method was first used by Novoselov and Geim to obtain graphene from graphite crystals. However, it cannot be employed for a uniform 1-D layers because of less adhesion of MoS2 with the substrate (either Si, glass or quartz).