Perfluorinated Phthalocyanines on Cu(110) and Cu(110)-(2 x 1)O: The Special Role of the Central Cobalt Atom

被引：8

作者：

Belser, Axel ^{[1
]}

Greulich, Katharina ^{[1
]}

Gruninger, Peter ^{[1
]}

Karstens, Reimer ^{[1
]}

Ovsyannikov, Ruslan ^{[2
]}

Giangrisostomi, Erika ^{[2
]}

Nagel, Peter ^{[3
]}

Merz, Michael ^{[3
]}

Schuppler, Stefan ^{[3
]}

Chasse, Thomas ^{[1
,4
]}

Peisert, Heiko ^{[1
]}

机构：

[1] Univ Tubingen, Inst Phys & Theoret Chem, D-72076 Tubingen, Germany

[2] Helmholtz Zentrum Berlin Mat & Energie GmbH, Inst Methods & Instrumentat Synchrotron Radiat Re, D-12489 Berlin, Germany

[3] Karlsruher Inst Technol, Inst Quantum Mat & Technol IQMT, D-76021 Karlsruhe, Germany

[4] Univ Tubingen, Ctr Light Matter Interact Sensors & Analyt LISA, D-72076 Tubingen, Germany

来源：

JOURNAL OF PHYSICAL CHEMISTRY C | 2021年 / 125卷 / 16期

关键词：

SCANNING-TUNNELING-MICROSCOPY; ENERGY-LEVEL ALIGNMENT; CHARGE-TRANSFER; ELECTRONIC-STRUCTURE; ORGANIC/METAL INTERFACES; AUGER PARAMETER; SINGLE-MOLECULE; METAL; COPC; PHOTOEMISSION;

D O I：

10.1021/acs.jpcc.1c01215

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Interface properties of CoPcF16 on Cu(110) and Cu(110)-(2 x 1)O were investigated by X-ray photoemission spectroscopy (XPS), ultraviolet photoemission spectroscopy (UPS), X-ray absorption spectroscopy (XAS), and scanning tunneling microscopy (STM). The results are compared to FePcF16 on Cu(110)-(2 x 1)O. A charge transfer from both substrates to the central Co ion of CoPcF16 is observed. Unlike to FePcF16 and related molecules, the strong interaction between CoPcF16 molecules of the first layer and the Cu(110) substrate is only partially suppressed by oxygen termination. The special nature of the electronic structure of the Co ion in Co phthalocyanines is discussed. The analysis of the fluorine Auger parameter enables the discussion of initial and final state effects of core level binding energy shifts in photoemission. A bidirectional charge transfer also involving the macrocycle of CoPcF16 molecules is concluded.

引用

页码：8803 / 8814

页数：12

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