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Electronic structures of CuPc on a Ag(110) surface

journal contribution
posted on 2023-06-08, 06:35 authored by Fei Song, Han Huang, Weidong Dou, Hanjie Zhang, Yunwan Hu, Huiqin Qian, Haiyang Li, Pimo He, Shining Bao, Qiao ChenQiao Chen, Wuzong Zhou
Copper phthalocyanines ( CuPc) on a Ag( 110) surface have been studied by ultraviolet photoemission spectroscopy ( UPS). On depositing CuPc organic films, the features from the substrate 3d valence fade and four new features corresponding to the adsorbed molecules emerge at 1.68, 4.45, 6.36 and 9.20 eV below the Fermi level. These features shift in binding energy with increasing thickness of the organic films. In the case of a monolayer, angle- resolved UPS measurements suggest that the molecular plane is nearly parallel to the substrate. Further theoretical calculation indicates that the adsorption of CuPc on a hollow site is the most favourable configuration, and the separation between the adsorbate and the substrate is about 2.7 angstrom.

History

Publication status

  • Published

Journal

Journal of Physics: Condensed Matter

ISSN

0953-8984

Publisher

Institute of Physics

Issue

13

Volume

19

Department affiliated with

  • Chemistry Publications

Notes

Article Number: 136002

Full text available

  • No

Peer reviewed?

  • Yes

Legacy Posted Date

2012-02-06

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