High-quality bilayer graphene goes large

Graphene could be the two-dimensional nanomaterial for the future, but exploiting it will require further advances in methods to fabricate it. With a high carrier mobility, stability, and rigidity under atmospheric conditions, its electronic, chemical, and structural properties are unparalleled. In particular, AB stacked bilayer graphene, which consists of two graphene sheets stacked in an offset configuration, has an impressive tuneable bandgap ideal for usage in high performance device fabrication. However, growth of defect-free graphene and large-scale transfer from its native growth substrate, a necessity to bring such applications to fruition, remains challenging. Researchers Hussain Alsalman et al., under the direction of Michael Spencer, hope to overcome these challenges with their novel growth and dry transfer method.