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Hybrid molecular electronic devices based on modified deoxyguanosines

机译:基于修饰的脱氧鸟苷的混合分子电子器件

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摘要

A new type of organic semiconductor, based on self-assembled modified DNA nucleosides (deoxyguanosine lipophilic derivative), is employed to fabricate hybrid molecular devices. Two different modifications of the guano sine are synthesized in order to change the oxidation potential of the active molecular system. The influence of the solvent on the self-assembly process and on the carrier transport is investigated by atomic force microscopy and electrical measurements, respectively. Our results demonstrate that upon appropriate engineering of the molecule and choice of the solvent, self-organization of molecules in ordered structures is achieved, resulting in high conductivity and electronic rectification in solid-state, planar molecular devices. The transport properties depend strongly on the molecular structure and on the arrangement of the molecules into the hybrid devices, thus opening the route to molecular transport engineering in hybrid molecular electronics.
机译:一种基于自组装修饰的DNA核苷(脱氧鸟苷亲脂性衍生物)的新型有机半导体可用于制造杂化分子器件。为了改变活性分子系统的氧化电位,合成了鸟苷正弦的两种不同的修饰。分别通过原子力显微镜和电学测量研究了溶剂对自组装过程和载流子传输的影响。我们的结果表明,通过对分子进行适当的工程设计和选择溶剂,可以实现分子在有序结构中的自组织,从而在固态,平面分子器件中实现高电导率和电子整流。传输特性在很大程度上取决于分子结构以及分子在杂化器件中的排列方式,从而为杂化分子电子学中的分子传输工程学开辟了道路。

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