Investigation into growth mechanism of polymer nanowires synthesized by a pulsed laser irradiation

聚合物纳米线由于其优异的电学、磁学和光学性能，在气敏传感器、激光器和有机场效应晶体管等领域有着广泛的应用。新型聚合物纳米线的制备方法对于实现未来纳米技术的应用非常重要。我们已经成功地产生的聚合物纳米线的亚纳秒脉冲激光照射和时间分辨图像的聚合物纳米线的生长均匀直径在大气压下进行了测量。利用该方法成功地合成了纳米FeO掺杂的PS纳米线。提出了聚合物纳米线合成的可能机理。它有望在广泛的应用领域，如在未来的分子器件和超高灵敏度传感器的制造中使用。

Polymer nanowires have much attention for their excellent use in gas sensors, lasers, and organic field-effect transistors owing to their excellent electrical, magnetic, and optical properties. The production method of novel polymer nanowires is quite important for realizing future nanotechnology applications. We have succeeded in generation of polymer nanowires by sub-nanosecond pulsed laser irradiation and time-resolved images of the growth of polymer nanowires with uniform diameters at atmospheric pressure were measured. Also nanoFeO-doped PS nanowires were successfully synthesized using this method. A plausible mechanism of polymer nanowire synthesis was proposed. It is expected to be utilized in a wide range of application fields such as in the fabrication of molecular devices and ultrahigh-sensitivity sensors in the future.