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Construction of anisotropic fluorescent nanofibers assisted by electro-spinning and its optical sensing applications

机译：电纺助力各向异性荧光纳米纤维的构建及其光学传感应用

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Fixing the gap between “nano-scaled” pieces and “product-scale” materials, devices or machines is an ineluctable challenge that people have to tackle. Herein, we show that combining self-assembly and electrospinning processes results in the fabrication of anisotropic fluorescent nanofibers ( PDI@PVDF ) in which the well-defined rod-like perylene bisimide derivative assemblies are embedded in a highly oriented way along the axis of the poly(vinylidene fluoride) (PVDF) fiber. Compared to fragile individual PDI assemblies, the electrospinning anisotropic fluorescent PDI@PVDF nanofibers not only maintain high sensitivity for aniline vapour but also exhibit an unexpected short response time for both quenching and recovering. The results demonstrate that electrospinning assistance is a versatile and effective strategy to maintain the anisotropy of fluorescent nanomaterials, building a bridge between self-assembled nano-rods and practical materials.
机译：缩小“纳米级”零件与“产品级”材料，设备或机器之间的差距是人们必须解决的不可避免的挑战。在这里，我们表明结合自组装和静电纺丝过程导致各向异性荧光纳米纤维（PDI @ PVDF）的制造，其中明确定义的棒状per二酰亚胺衍生物组装体沿其轴高度取向地嵌入。聚偏二氟乙烯（PVDF）纤维。与易碎的单个PDI组件相比，电纺各向异性荧光PDI @ PVDF纳米纤维不仅保持了对苯胺蒸气的高灵敏度，而且还表现出出乎意料的短响应时间，既淬灭又恢复。结果表明，静电纺丝助剂是一种通用且有效的策略，可以保持荧光纳米材料的各向异性，在自组装纳米棒和实用材料之间架起一座桥梁。

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