Figure 4.

Atomic structures of (a) F, (b) CF, (c) CF2, and (d) CF3ions on graphene sheets. C and F atoms are indicated by yellow and gray balls, respectively. Theoretical simulation indicates that CF and CF2 can hardly be adsorbed.

Shen et al. Nanoscale Research Letters 2012 7:268   doi:10.1186/1556-276X-7-268
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