High resolution electron energy loss spectroscopy study of Zinc phthalocyanine and tetrafluoro tetracyanoquinodimethane on Au (1Â 1Â 1)

Interfacial energy line-up of ZnPc and F4-TCNQ (right) and HREELS spectrum (left) highlighting the shift in ν(CN) stretch for ZnPc films doped with different amount of F4-TCNQ.