Previous Article Next Article Table of Contents Advanced Materials, Vol.25, No.7, 992-997, 2013 DOI10.1002/adma.201202973 Export Citation Two-Stage Metal-Catalyst-Free Growth of High-Quality Polycrystalline Graphene Films on Silicon Nitride Substrates Chen JY, Guo YL, Wen YG, Huang LP, Xue YZ, Geng DC, Wu B, Luo BR, Yu G, Liu YQ Keywords:two-stage growth;metal-catalyst-free growth;polycrystalline graphene;silicon nitride Please enable JavaScript to view the comments powered by Disqus.