fig13
Figure 13. Conversion of BPT SAMs into graphene on copper substrates: (A) Schematic representation, (B) XPS spectra for the products in each step. Adapted from Ref.[71], copyright 2013 Wiley. BPT: Biphenyl-4-thiol; SAMs: self-assembled monolayers; XPS: X-ray photoelectron spectroscopy.