The surface stability of coinage metals is paramount when they are used as electrode materials for functional electronic devices incorporating organic semiconductors. In this work, it is shown that the adsorption of non-planar vanadyl phthalocyanine molecules on Cu(110) drastically restructured the metal surface at room temperature, which was further enhanced upon moderate annealing. Scanning tunneling microscopy imaging demonstrated that the surface was restructured at step edges into sawtooth features that gradually replaced the (110) terraces. The edges of the modified steps were preferentially composed of chiral (1×6) kink sites decorated with vanadyl phthalocyanine molecules adsorbed in a tilted configuration with the oxygen atom pointing downwards. These results can have a strong impact on the optimization of the performance of organic devices integrated with phthalocyanine molecules.

中文翻译：

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揭开非平面酞菁引起的巨型Cu（110）表面重构

当造币金属用作包含有机半导体的功能电子设备的电极材料时，造币金属的表面稳定性至关重要。在这项工作中，它表明非平面的钒基酞菁分子在Cu（110）上的吸附在室温下急剧地重整了金属表面，经过适度的退火处理后，金属表面得到了进一步的增强。扫描隧道显微镜成像表明，该表面在台阶边缘处被重组为锯齿形特征，逐渐取代了（110）阶地。修饰步骤的边缘优先由手性（1×6）扭结位点组成，这些位点装饰有以倾斜构型吸附的钒氧酞菁分子，氧原子指向下方。