Patterning Graphene with Zigzag Edges by Self-Aligned Anisotropic Etching Shi, Zhiwen ; Yang, Rong ; Zhang, Lianchang ; Wang, Yi ; Liu, Donghua ; Shi, Dongxia ; Wang, Enge ; Zhang, Guangyu Abstract Publication: Advanced Materials Pub Date: July 2011 DOI: 10.1002/adma.201100633 Bibcode: 2011AdM....23.3061S