Complex momentum behavior of electronic excitations in beta-CuPc

Naumann Marco; Knupfer Martin

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Complex momentum behavior of electronic excitations in beta-CuPc

机译：Beta-Cupc中电子激发的复杂势头行为

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The electronic excitation spectrum of beta-CuPc has been investigated using electron energy-loss spectroscopy in transmission. Our results demonstrate a rather strong momentum dependence of the lowest exciton features. Both main components show a negative dispersion, and the momentum dependence indicates that this negative dispersion is parallel to the molecular stacks in beta-CuPc. In addition, the spectral shape also varies upon increasing momentum transfer indicating a particular momentum dependence of the inter-molecular interactions. Published by AIP Publishing.

机译：已经使用电子能量损耗光谱法在变速器中研究了β-CUPC的电子激发谱。我们的结果表明了最低激子特征的相当强劲的势头。两个主要组分都显示出负分散，动量依赖性表明该负分散与β-CUPC中的分子堆相平行。另外，光谱形状在增加的动量转移时也会变化，这表明分子间相互作用的特定动量依赖性。通过AIP发布发布。

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来源
《The Journal of Chemical Physics》 |2018年第8期|共5页
作者
Naumann Marco; Knupfer Martin;
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IFW Dresden Helmholtzstr 20 D-01069 Dresden Germany;

IFW Dresden Helmholtzstr 20 D-01069 Dresden Germany;

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正文语种 eng
中图分类物理化学（理论化学）、化学物理学;
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Complex momentum behavior of electronic excitations in beta-CuPc

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