Figure 5

(a) UPS spectra of Cu(001), 1, 3 and 10 nm ZnPc thin films on Cu. (b) UPS spectra of Au(111), 1, 3 and 10 nm ZnPc thin films on Au. The “SS” label represented the surface state of Au.

(a) UPS spectra of Cu(001), 1, 3 and 10 nm ZnPc thin films on Cu. (b) UPS spectra of Au(111), 1, 3 and 10 nm ZnPc thin films on Au. The “SS” label represented the surface state of Au.