参考文献

[1]　Geng D C，Wu B，Guo Y L，et al. Fractal etching of graphene[J]. Journal of the American Chemical Society，2013，135（17）：6431-6434.

[2]　Geng D C，Wu B，Guo Y L，et al. Uniform hexagonal graphene flakes and films grown on liquid copper surface[J]. PNAS，2012，109（21）：7992-7996.

[3]　Xu B，Yue S F，Sui Z Y，et al. What is the choice for supercapacitors：Graphene or graphene oxide?[J]. Energy & Environmental Science，2011，4（8）：2826-2830.

[4]　Huang H，Chen P W，Zhang X T，et al. Edge-to-edge assembled graphene oxide aerogels with outstanding mechanical performance and superhigh chemical activity[J]. Small，2013，9（8）：1397-1404.

[5]　Yang F，Fan X X，Wang C X，et al. P-doped nanomesh graphene with high-surface-area as an efficient metal-free catalyst for aerobic oxidative coupling of amines[J]. Carbon，2017，121：443-451.

[6]　Meyer J C，Geim A K，Katsnelson M I，et al. The structure of suspended graphene sheets[J]. Nature，2007，446（7131）：60-63.

[7]　Meyer J C，Geim A K，Katsnelson M I，et al. On the roughness of single- and bi-layer graphene membranes[J]. Solid State Communications，2007，143（1-2）：101-109.

[8]　Warner J H，Rümmeli M H，Gemming T，et al. Direct imaging of rotational stacking faults in few layer graphene[J]. Nano Letters，2009，9（1）：102-106.

[9]　Robertson A W，Montanari B，He K，et al. Structural reconstruction of the graphene monovacancy[J]. ACS Nano，2013，7（5）：4495-4502.

[10]　Robertson A W，Allen C S，Wu Y A，et al. Spatial control of defect creation in graphene at the nanoscale[J]. Nature Communications，2012，3：1144.

[11]　Warner J H，Margine E R，Mukai M，et al. Dislocation-driven deformations in graphene[J]. Science，2012，337（6091）：209-212.

[12]　Huang P Y，Ruiz-Vargas C S，van der Zande A M，et al. Grains and grain boundaries in single-layer graphene atomic patchwork quilts[J]. Nature，2011，469（7330）：389-392.

[13]　He Z Y，He K，Robertson A W，et al. Atomic structure and dynamics of metal dopant pairs in graphene[J]. Nano Letters，2014，14（7）：3766-3772.

[14]　Liu Z，Suenaga K，Harris P J F，et al. Open and closed edges of graphene layers[J]. Physical Review Letters，2009，102（1）：015501.

[15]　Suenaga K，Koshino M. Atom-by-atom spectroscopy at graphene edge[J]. Nature，2010，468（7327）：1088-1090.

[16]　Lui C H，Liu L，Mak K F，et al. Ultraflat graphene[J]. Nature，2009，462（7271）：339-341.

[17]　Panchal V，Yang Y F，Cheng G J，et al. Confocal laser scanning microscopy for rapid optical characterization of graphene[J]. Communications Physics，2018，1：83.

[18]　Lin L，Zhang J C，Su H S，et al. Towards super-clean graphene[J]. Nature Communications，2019，10：1912.

[19]　Pampaloni N P，Lottner M，Giugliano M，et al. Single-layer graphene modulates neuronal communication and augments membrane ion currents[J]. Nature Nanotechnology，2018，13（8）：755-764.

[20]　Hämäläinen S K，Boneschanscher M P，Jacobse P H，et al. Structure and local variations of the graphene moiré on Ir（111）[J]. Physical Review B，2013，88（20）：201406.

[21]　Ruffieux P，Wang S Y，Yang B，et al. On-surface synthesis of graphene nanoribbons with zigzag edge topology[J]. Nature，2016，531（7595）：489-492.

[22]　Mallet P，Varchon F，Naud C，et al. Electron states of mono- and bilayer graphene on SiC probed by scanning-tunneling microscopy[J]. Physical Review B，2007，76（4）：041403.

[23]　Stolyarova E，Rim K T，Ryu S，et al. High-resolution scanning tunneling microscopy imaging of mesoscopic graphene sheets on an insulating surface[J]. Proceedings of the National Academy of Sciences of the United States of America，2007，104（22）：9209-9212.

[24]　Cho J，Gao L，Tian J F，et al. Atomic-scale investigation of graphene grown on Cu foil and the effects of thermal annealing[J]. ACS Nano，2011，5（5）：3607-3613.

[25]　Lauffer P，Emtsev K V，Graupner R，et al. Atomic and electronic structure of few-layer graphene on SiC（0001）studied with scanning tunneling microscopy and spectroscopy[J]. Physical Review B，2008，77（15）：155426.

[26]　Chen H，Zhang X L，Zhang Y Y，et al. Atomically precise，custom-design origami graphene nanostructures[J]. Science，2019，365（6457）：1036-1040.

[27]　Wang Q H，Hersam M C. Room-temperature molecular-resolution characterization of self-assembled organic monolayers on epitaxial graphene[J]. Nature Chemistry，2009，1（3）：206-211.

[28]　Telychko M，Mutombo P，Ondrácˇek M，et al. Achieving high-quality single-atom nitrogen doping of graphene/SiC（0001）by ion implantation and subsequent thermal stabilization[J]. ACS Nano，2014，8（7）：7318-7324.

[29]　Telychko M，Mutombo P，Merino P，et al. Electronic and chemical properties of donor，acceptor centers in graphene[J]. ACS Nano，2015，9（9）：9180-9187.

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