Table 2. Film thickness, lattice parameters and characteristic dose for TPA on graphene. Also shown are the lattice projections looking down the c-axis of the reported TPA bulk structure.42 Note that the exact 3D crystallographic orientation of the thicker films here is not known.

Deposition time	Thickness (nm)	a (nm)	b (nm)	γ (°)	Unit cell area (nm2)
Monolayer (STM)	—	0.95 ± 0.02	0.75 ± 0.06	53 ± 3	0.57 ± 0.05
15 seconds	1.1 ± 0.4	0.95 ± 0.02	0.74 ± 0.02	50 ± 2	0.54 ± 0.02
1 minute	1.2 ± 0.2	0.90 ± 0.02	0.72 ± 0.02	53 ± 2	0.52 ± 0.02
6 minutes	12 ± 3	0.85 ± 0.02	0.62 ± 0.02	57 ± 2	0.44 ± 0.02
18 minutes	25 ± 1	0.86 ± 0.02	0.60 ± 0.02	56 ± 2	0.43 ± 0.02
Bulk projection	—	0.92 ± 0.01	0.65 ± 0.01	52 ± 1	0.47 ± 0.01