Interface properties and electronic structures of aromatic molecules with anhydride and thio-functional groups on Ag (111) and Au (111) substrates
Yu Wei-Qi1, 2, Xiao Hong-Jun2, †, Wang Ge-Ming1
       

Projected density of states on carbon and oxygen atoms for (a) free NTCDA molecule, (b) NTCDA/Ag (111), and (c) NTCDA/Au (111). The unit a.u. is short for arbitrary units.