Graphene nanoribbons (GNRs) grown using PMMA !

Graphene nanoribbons (GNRs) are very promising material for electronic applications as quantum confinement opens a band gap in gapless graphene. Now researchers have used PMMA, a polymer used as a support to transfer graphene, to grow GNRs on epitaxial Ni thin films. The study paves for controlling the orientation of GNRs. 

http://pubs.acs.org/doi/abs/10.1021/nn405122r