Interface electronic structure of zinc-phthalocyanine on the silver thin-film quantum-well

Yasuo Nakayama, Meng Kai Lin, Chin Yung Wang, Tun Wen Pi, Hisao Ishii, S. J. Tang

Research output: Contribution to journalArticlepeer-review

3 Scopus citations


Electronic structures of a novel interface formed by coverage of organic semiconductor zinc-phthalocyanine (ZnPc) onto a nanometer-thick Ag thin-film with quantized electronic states were investigated by means of angle-resolved photoelectron spectroscopy (ARPES). While the highest occupied molecular orbital position of ZnPc accords with those of a ZnPc overlayer on a bulk Ag substrate having been reported previously, an interface state (IS) revealed different energy position with respect to the bulk case. Absence of the angular-dependence of the IS position strongly suggests that this state is localized at each ZnPc molecule.

Original languageEnglish
Pages (from-to)149-152
Number of pages4
Journale-Journal of Surface Science and Nanotechnology
StatePublished - 27 Apr 2012


  • Angle-resolved photoelectron spectroscopy
  • Interface
  • Organic semiconductor
  • Quantum well


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