Soft x-ray spectroscopy study of the element and orbital contributions to the electronic structure of copper hexadecafluoro-phthalocyanine

被引：46

作者：

Piper, L. F. J. ^{[1
]}

Cho, S. W. ^{[1
]}

Zhang, Y. ^{[1
]}

DeMasi, A. ^{[1
]}

Smith, K. E. ^{[1
]}

Matsuura, A. Y. ^{[2
]}

McGuinness, C. ^{[3
]}

机构：

[1] Boston Univ, Dept Phys, Boston, MA 02215 USA

[2] Univ Catholique Louvain, European Theoret Spect Facil, PCPM, B-1348 Louvain, Belgium

[3] Univ Dublin, Sch Phys, Trinity Coll Dublin, Dublin 2, Ireland

来源：

PHYSICAL REVIEW B | 2010年 / 81卷 / 04期

基金：

美国国家科学基金会; 爱尔兰科学基金会;

关键词：

SYNCHROTRON-RADIATION; ORGANIC SEMICONDUCTORS; EMISSION-SPECTROSCOPY; EXCHANGE-ENERGY; THIN-FILMS; TRANSISTORS; FLUORESCENCE; APPROXIMATION; PHOTOELECTRON; EXCITATIONS;

D O I：

10.1103/PhysRevB.81.045201

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The electronic structure of copper hexadecafluorophthalocyanine (F(16)CuPc) has been measured using soft x-ray emission spectroscopy and x-ray absorption spectroscopy at the C, N, and F K edges. Our element- and orbital-specific measurements confirm that substitution of hydrogen for fluorine leads to profound changes in the electronic environment of the carbon atoms in contrast to that of the nitrogen atoms. These findings are supported by simulated x-ray absorption and emission spectra of F(16)CuPc calculated by density-functional theory methods. The experimental results are directly compared with those of CuPc. Additional information regarding specific carbon sites is obtained from the evolution of the C K-edge resonant x-ray emission spectra of F(16)CuPc.

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页数：12

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