Yang, Z., Gao, R., Hu, N., Chai, J., Cheng, Y., Zhang, L., Wei, H., Kong, E. S.-W., & Zhang, Y. (2012). The Prospective Two-Dimensional Graphene Nanosheets: Preparation, Functionalization and Applications. Nano-Micro Letters, 4(1), 1-9. https://doi.org/10.1007/BF03353684