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Extraction Of Optical Constants Of Polyaniline Thin Films By Surfaceplasmon Resonance

机译：表面等离子体共振提取聚苯胺薄膜的光学常数

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摘要

The method of surface plasmon resonance was used to determine the thickness, refractive index and extinction coefficient of thin electropolymerized films of polyaniline (PAN1). A monotonic decrease of the refractive index (from 1.4 to 1.1) was observed in the thickness range of 5-20 nm. It stabilized at the level of 1.1 in the range of 20-30 nm. The extinction coefficient demonstrated similar behavior - its value reduced from 0.2 to 0.1 in the range of 10-30 nm. The optical parameters extracted by surface plasmon resonance are in good agreement with the data obtained using other optical methods. The nanocomposite model for formation of the electropolymerized PANI film was proposed.
机译：用表面等离振子共振法测定聚苯胺（PAN1）薄电聚合薄膜的厚度，折射率和消光系数。在5-20nm的厚度范围内观察到折射率的单调降低（从1.4至1.1）。它稳定在20-30 nm范围内的1.1水平。消光系数显示出相似的行为-其值在10-30 nm范围内从0.2降低到0.1。通过表面等离子体激元共振提取的光学参数与使用其他光学方法获得的数据非常吻合。提出了形成电聚合PANI膜的纳米复合材料模型。

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