Interaction of alkali metals with perylene-3,4,9,10-tetracarboxylic-dianhydride thin films studied by IR spectroscopy

被引:17
作者
Heimer, K. [1 ]
Wuesten, J. [1 ]
Lach, S. [1 ]
Ziegler, Ch. [1 ]
机构
[1] Univ Kaiserslautern, Dept Phys, D-67663 Kaiserslautern, Germany
关键词
D O I
10.1063/1.2722748
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
In order to clarify the doping behavior of different alkali metals in perylene-3,4,9,10-tetracarboxylic dianhydride (PTCDA), Fourier transform infrared spectra of PTCDA thin films doped with sodium, potassium, and cesium were measured and compared. Furthermore the vibrational properties were calculated using density-functional theory and these calculated vibrational frequencies were assigned to the experimental IR modes of the thin films. (c) 2007 American Institute of Physics.
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页数:5
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