CAS OpenIR  > 中科院上海应用物理研究所2011-2018年
Photoelectron spectroscopy study of the electronic structures at CoPc/Bi(111) interface
Sun, HL; Liang, ZF; Shen, KC; Hu, JB; Ji, GW; Li, ZS; Li, HY; Zhu, ZY; Li, J; Gao, XY; Han, H; Jiang, Z; Song, F
2017
Source PublicationSURFACE SCIENCE
ISSN0039-6028
Volume661Pages:34-41
Subtype期刊论文
AbstractSelf-assembly of functional molecules on solid substrate has been recognized as an appealing approach for the fabrication of diverse nanostructures for nanoelectronics. Herein, we investigate the growth of cobalt phthalocyanine (CoPc) on a Bi(111) surface with focus on the interface electronic structures utilizing photoelectron spectroscopy. While charge transfer from bismuth substrate to the molecule results in the emergence of an interface component in the Co 3p core level at lower binding energy, core-levels associated to the molecular ligand (C 1s and N 1s) are less influenced by the adsorption. In addition, density functional theory (DFT) calculations also support the empirical inference that the molecule-substrate interaction mainly involves the out-of-plane empty Co 3d orbital and bismuth states. Finally, valence band spectra demonstrate the molecule-substrate interaction is induced by interface charge transfer, agreeing well with core level measurements. Charge transfer is shown to be mainly from the underlying bismuth substrate to the empty states located at the central Co atom in the CoPc molecules. This report may provide a fundamental basis,to the on-surface engineering of interfaces for molecular devices and spintronics.
KeywordPhotoemission Spectroscopy Electronic Structure Copc Bi(111) Interface
DOI10.1016/j.susc.2017.03.003
Indexed BySCI
Language英语
WOS IDWOS:000401689400006
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/27410
Collection中科院上海应用物理研究所2011-2018年
Recommended Citation
GB/T 7714
Sun, HL,Liang, ZF,Shen, KC,et al. Photoelectron spectroscopy study of the electronic structures at CoPc/Bi(111) interface[J]. SURFACE SCIENCE,2017,661:34-41.
APA Sun, HL.,Liang, ZF.,Shen, KC.,Hu, JB.,Ji, GW.,...&Song, F.(2017).Photoelectron spectroscopy study of the electronic structures at CoPc/Bi(111) interface.SURFACE SCIENCE,661,34-41.
MLA Sun, HL,et al."Photoelectron spectroscopy study of the electronic structures at CoPc/Bi(111) interface".SURFACE SCIENCE 661(2017):34-41.
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