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    • 31. 发明申请
    • FLUORESCENT ORGANIC NANOFIBRILS AS SENSORY MATERIALS FOR EXPLOSIVES DETECTION
    • 荧光有机纳米微粒作为感染材料进行爆炸检测
    • US20120288950A1
    • 2012-11-15
    • US13420439
    • 2012-03-14
    • Ling ZangJeffrey S. MooreTammene NaddoWei Zhang
    • Ling ZangJeffrey S. MooreTammene NaddoWei Zhang
    • G01N21/64B82Y15/00
    • G01N33/0047G01N21/6428G01N27/4141G01N33/0057Y10T436/17
    • A class of fluorescent, organic nanofibrils, and particularly the films comprising entangled piling of these nanofibrils exhibiting effective quenching of their fluorescence upon exposure the vapor of explosives is disclosed. A sensor and a method for sensing the explosives vapor and other volatile organic compounds is disclosed, including the explosives taggants through the modulation of the fluorescence of the nanofibril film and the electrical conductivity of the nanofibrils. A development of synthetic methods is disclosed, such as protocols and techniques that lead to the production of various arylene-ethynylene macrocycle (AEM) molecules, which consist of a shape-persistent, toroidal scaffold in planar conformation, with minimal ring strain and highly tunable ring sizes (from 0.5 nm to above 10 nm). An approach to optimization of the one-dimensional molecular arrangement along the long axis of the nanofibril is also disclosed, which provides increased exciton migration and charge transport (via pi-electronic delocalization).
    • 一类荧光,有机纳米原纤维,特别是包括这些纳米纤维缠结的薄膜,这些纳米纤维在暴露于爆炸物的蒸气时表现出有效的淬灭荧光。 公开了用于感测爆炸物蒸气和其它挥发性有机化合物的传感器和方法,包括通过调节纳米原纤维膜的荧光和纳米原纤维的导电性的炸药标签。 公开了合成方法的开发,例如导致生产各种亚芳基 - 亚乙炔大环(AEM)分子的方案和技术,其由平面构象中的形状持久的环形支架组成,具有最小的环应变和高度可调的 环尺寸(从0.5nm到10nm以上)。 还公开了沿着纳米纤丝的长轴优化一维分子排列的方法,其提供增加的激子迁移和电荷转移(通过π-电离离域)。