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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 ZhouCopper 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.
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Publication status
- Published
Journal
Journal of Physics: Condensed MatterISSN
0953-8984Publisher
Institute of PhysicsExternal DOI
Issue
13Volume
19Department affiliated with
- Chemistry Publications
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Article Number: 136002Full text available
- No
Peer reviewed?
- Yes
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2012-02-06Usage metrics
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