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Distinct Nanostructures from a Molecular Shuttle: Effects of Shuttling Movement on Nanostructural Morphologies

机译：分子穿梭的不同纳米结构：穿梭运动对纳米结构形态的影响。

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摘要

A solvent driven molecular shuttle that contains a TCBD chromophore and in which the macrocycle can be positioned close to or far from the TCBD unit with a change of solvent is prepared. Several distinct nanostructures are obtained by control of the shuttling movement of the macrocycle: i) in a mixed solvent of CHCl_3-C_6H_(14) (1/1, v/v), the macrocycle locates at the peptide station, and interlaced nanofibers form as a result of the extended intermolecular dipole-dipole interactions of the TCBD units; ii) in a solvent of dimethyl sulfoxide, the macrocycle moves along the long alkyl-chain, and worm-like nanoparticles form because the macrocycle obstructs the intermolecular dipole-dipole interactions of the TCBD units. This system confirms that the molecular aggregation behaviors can be controlled by the shuttling movement of the macrocycle. Exploitation of the molecular shuttle to control the molecular aggregation behaviors will provide greater understanding in the field of molecular shuttle applications.
机译：制备了一种由溶剂驱动的分子穿梭，该分子穿梭包含TCBD生色团，并且其中大环可以随着溶剂的变化而靠近或远离TCBD单元。通过控制大环的穿梭运动获得了几种不同的纳米结构：i）在CHCl_3 / n-C_6H_（14）（1/1，v / v）的混合溶剂中，大环位于肽段并交织由于TCBD单元的分子间偶极-偶极相互作用的扩展，形成了纳米纤维； ii）在二甲亚砜的溶剂中，大环沿着长烷基链移动，并形成蠕虫状纳米颗粒，因为大环阻碍了TCBD单元的分子间偶极-偶极相互作用。该系统证实了分子聚集行为可以通过大环的穿梭运动来控制。利用分子穿梭来控制分子聚集行为将在分子穿梭应用领域中提供更多的了解。

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  • 来源
    《Advanced Functional Materials》 |2009年第1期|141-149|共9页
  • 作者

    Weidong Zhou; Jialiang Xu; Haiyan Zheng; Xiaodong Yin; Zicheng Zuo; Huibiao Liu; Yuliang Li;

  • 作者单位

    Beijing National Laboratory for Molecular Science (BNLMS) CAS Key Laboratory of Organic Solids, Institute of Chemistry Chinese Academy of Sciences and Graduate School of Chinese Academy of Sciences Beijing 100190 (P. R. China);

    Beijing National Laboratory for Molecular Science (BNLMS) CAS Key Laboratory of Organic Solids, Institute of Chemistry Chinese Academy of Sciences and Graduate School of Chinese Academy of Sciences Beijing 100190 (P. R. China);

    Beijing National Laboratory for Molecular Science (BNLMS) CAS Key Laboratory of Organic Solids, Institute of Chemistry Chinese Academy of Sciences and Graduate School of Chinese Academy of Sciences Beijing 100190 (P. R. China);

    Beijing National Laboratory for Molecular Science (BNLMS) CAS Key Laboratory of Organic Solids, Institute of Chemistry Chinese Academy of Sciences and Graduate School of Chinese Academy of Sciences Beijing 100190 (P. R. China);

    Beijing National Laboratory for Molecular Science (BNLMS) CAS Key Laboratory of Organic Solids, Institute of Chemistry Chinese Academy of Sciences and Graduate School of Chinese Academy of Sciences Beijing 100190 (P. R. China);

    Beijing National Laboratory for Molecular Science (BNLMS) CAS Key Laboratory of Organic Solids, Institute of Chemistry Chinese Academy of Sciences and Graduate School of Chinese Academy of Sciences Beijing 100190 (P. R. China);

    Beijing National Laboratory for Molecular Science (BNLMS) CAS Key Laboratory of Organic Solids, Institute of Chemistry Chinese Academy of Sciences and Graduate School of Chinese Academy of Sciences Beijing 100190 (P. R. China);

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