Tai, L., Zhu, D., Liu, X., Yang, T., Wang, L., Wang, R., Jiang, S., Chen, Z., Xu, Z. and Li, X. 2017. Direct Growth of Graphene on Silicon by Metal-Free Chemical Vapor Deposition. Nano-Micro Letters. 10, 2 (Dec. 2017), 20. DOI:https://doi.org/10.1007/s40820-017-0173-1.