5Science News Staff. Breakthrough of the Year: The Runners- Up. Science, 2009, 326 (5960): 1600-1607.
6Stankovich S, Dikin D A, Piner R D, et al. Synthesis of graphene-based nanosheets via chemical reduction of exfoliated graphite oxide. Carbon, 2007, 45(7): 155811565.
7Park S, An J, Piner R D, et al. Aqueous suspension and characterization of chemically modified graphene sheets. Chem. Mater., 2008, 20(21 ): 6592-6594.
8Dreyer D R, Park S, Bielawski C W, et al. The chemistry of graphene oxide. Chem. Soc. Rev., 2010, 39(1): 228-240.
9Loh K P, Bao Q, Ang P K, et al. The chemistry ofgraphene. J. Mater. Chem., 2010, 20(12): 2272-2289.
10Hongki Min, S. Adam, Young Jae Song, et al. Landau levels and band bending in few-layer epitaxial grapheme. Phys. Rev, B, 2011, 83: 155430.
