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首页> 外文期刊>Advanced Functional Materials >Tetrathiafulvalene-, 1,5-Dioxynaphthalene-,and Cyclobis(paraquat-p-phenylene)-based [2]Rotaxanes with Cyclohexyl and Alkyl Chains as Spacers: Synthesis,Langmuir-Blodgett Films, and Electrical Bistability
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Tetrathiafulvalene-, 1,5-Dioxynaphthalene-,and Cyclobis(paraquat-p-phenylene)-based [2]Rotaxanes with Cyclohexyl and Alkyl Chains as Spacers: Synthesis,Langmuir-Blodgett Films, and Electrical Bistability

机译：四硫富瓦烯-，1,5-二氧萘-和环双（百草枯-对苯撑）基[2]轮烷，以环己基和烷基链为间隔基：合成，Langmuir-Blodgett膜和电双稳性

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摘要

The synthesis and characterization of two new (TTF-DNP-CBPQT~(4+)) [2]rotaxanes 1 and 2 is reported, bascd on tetrathiafulva-lene (TTF), 1,5-dioxynaphthalene (DNP), and cyclobis(paraquat-p-phenylene) (CBPQT~(4+)) with cyclohexyl and alkyl chains as the spacers. Multilayer Langmuir-Blodgett (LB) films of [2]rotaxanes 1 and 2 are prepared. Conducting atomic force microscopy, scanning tunneling microscopy, and two-terminal junction device studies indicate that the LB films of [2]rotaxanes 1 and 2 show electrical bistability behavior. By comparing with the TTF-DNP-CBPQT~(4+) [2]rotaxanes reported by Stoddart et al. previously, the present results imply that proper modification of the chemical structures of the TTF uni( and the spacer have negligible effect on the electrical bistability behavior of these TTF-DNP-CBPQT~(4+) [2]rotaxanes. These findings will allow for the design and preparation of new multifunctional TTF-DNP-CBPQT~(4+)[2]rotaxanes in the future.
机译：报道了基于四硫富瓦烯（TTF），1,5-二氧萘（DNP）和环双（2）的两种新型（TTF-DNP-CBPQT〜（4+））[2]轮烷1和2的合成和表征。 （CBPQT〜（4+）），以环己基和烷基链为间隔基。制备[2]轮烷1和2的多层Langmuir-Blodgett（LB）膜。进行原子力显微镜，扫描隧道显微镜和两端连接装置的研究表明[2]轮烷1和2的LB膜显示出电双稳态行为。通过与Stoddart等人报道的TTF-DNP-CBPQT〜（4+）[2]轮烷比较。以前的结果表明，适当修饰TTF uni（和间隔基）的化学结构对这些TTF-DNP-CBPQT〜（4+）[2]轮烷的电双稳态行为的影响可忽略不计。用于未来新型多功能TTF-DNP-CBPQT〜（4 +）[2]轮烷的设计和制备。

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