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25-11-2022
Chemistry

Answered

Using the nearest-neighbor broken bond model that we discussed in class, calculate the surface energy of graphene, and compare it to experimental values from literature, knowing the following about this system: - sp2 bond energy ~ 5.9 eV/bond; lattice constant = 0.142 nm
- vdw energy (along pz direction) ~ 50 meV/bond; spacing = 0.335 nm
- nb is different for each C atom in the unit cell (assume nb ~ 1)

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