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首页> 外文期刊>Proceedings of the institution of mechanical engineers >Expedient fabrication of well-defined nanofibres from a macrocycle molecule: solution-controlled self-assembly
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Expedient fabrication of well-defined nanofibres from a macrocycle molecule: solution-controlled self-assembly

机译:用大环分子方便地制备定义明确的纳米纤维:溶液控制的自组装

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摘要

In this paper an expedient fabrication of uniform nanofibres from a planar arylene-ethynylene tetracycle molecule is reported. The long-range one-dimensional molecular arrangement, which is mainly due to the favourable rc-n stacking between the planar shape-persistent molecules, is conducive to enhancement of the exciton migration along the long axis of nanofibres. Such extended exciton migration allows amplification of the fluorescence quenching of the nanofibre by surface-adsorbed chemical reagents, making it possible to construct sensory films consisting of an entangled mesh of the nanofibres, which possess a high sensing efficacy and fast response in vapour detection of explosives.
机译:在本文中,报道了由平面亚芳基-亚乙炔四环分子方便地制备均匀纳米纤维的方法。长程一维分子排列,主要是由于平面形状持久分子之间的rc-n堆积,有利于激子沿纳米纤维长轴的迁移。这种扩展的激子迁移可以通过表面吸附的化学试剂放大纳米纤维的荧光猝灭,从而有可能构建由纠缠的纳米纤维网构成的传感膜,该传感膜在爆炸物的蒸气检测中具有很高的传感效率和快速响应。 。

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    Department of Materials Science and Engineering, University of Utah, USTAR Building, 383 Colorow Drive, Salt Lake City, UT 84108, USA;

    rnMaterials Technology Center, Southern Illinois University, Carbondale, Illinois, USA;

    rnDepartment of Chemistry and Biochemistry, Southern Illinois University, Carbondale, Illinois, USA,Department of Mechanical Engineering and Materials Science, Rice University, Houston, Texas, USA;

    rnDepartment of Materials Science and Engineering, University of Utah, Salt Lake City, Utah, USA;

    Departments of Chemistry and Materials Science and Engineering, University of Illinois at Urbana-Champaign, Urbana, Illinois, USA;

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  • 正文语种 eng
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  • 关键词

    macrocyclic molecule; nanofibre; self-assembly; emission polarization; fluorescence; sensor; explosive;

    机译:大环分子纳米纤维自组装;发射极化荧光传感器;炸药;

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