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首页> 外文期刊>Chemistry: A European journal >Chemisorption, Morphology, and Structure of a n-Type Perylene Diimide Derivative at the Interface with Gold: Influence on Devices from Thin Films to Single Molecules
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Chemisorption, Morphology, and Structure of a n-Type Perylene Diimide Derivative at the Interface with Gold: Influence on Devices from Thin Films to Single Molecules

机译：与金的界面上的n型Per二酰亚胺衍生物的化学吸附，形态和结构：对从薄膜到单分子的器件的影响

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摘要

We have investigated thin films of a perylene diimide derivative with a cyano-functionalized core (PDI-8CN(2)) deposited on Au(111) single crystals from the monolayer to the multilayer regime. We found that PDI-8CN(2) is chemisorbed on gold. The molecules experience a thickness-dependent reorientation, and a 2D growth mode with molecular stepped terraces is achieved adopting low deposition rates. The obtained results are discussed in terms of their impact on field effect devices, also clarifying why the use of substrate/contact treatments, decoupling PDI-8CN(2) molecules from the substrate/contacts, is beneficial for such devices. Our results also suggest that perylene diimide derivatives with CN bay-functionalization are very promising candidates for single-molecule electronic devices.
机译：我们研究了thin金属二酰亚胺衍生物与氰基官能化核心（PDI-8CN（2））从单层到多层沉积在Au（111）单晶上的薄膜。我们发现PDI-8CN（2）被化学吸附在金上。分子经历厚度依赖性的重新定向，并采用低沉积速率实现具有分子阶梯状平台的2D生长模式。讨论了所获得的结果对场效应器件的影响，并阐明了为什么使用衬底/接触处理将PDI-8CN（2）分子与衬底/接触解耦，对于此类设备是有益的。我们的结果还表明，具有CN托架功能化的per二酰亚胺衍生物是单分子电子设备的非常有希望的候选者。

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