Preparation, surface characterization and dielectric studies of hydrogen irradiated Cu/PANI polymer composites

IF 1 4区材料科学 Q4 MATERIALS SCIENCE, MULTIDISCIPLINARY

Digest Journal of Nanomaterials and Biostructures Pub Date : 2023-04-01 DOI:10.15251/djnb.2023.182.475

A. Atta, B. M. Alotaibi, H. Al-Yousef, A. M. Abdel-Reheem

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引用次数: 1

Abstract

In this study, a PANI/Cu nanocomposite films are prepare using ion sputtering technique. Then PANI/Cu nanocomposite films are irradiated by different fluence of low energy hydrogen ion (1x1016, 4x1016, and 8x1016 ion/cm2 ). The changes in crystallite structure are studied using XRD diffractometer. The dielectric properties and the energy density of the blank and irradiated films are obtained at room temperature in the frequency range of 100 to 5MHz. The measurements indicated significant changes in these parameters after hydrogen ion irradiation. The dielectric constant 𝜀𝜀′ improved from 1.5 for PANI/Cu to 6, 10 and 23 after exposed to 1x1016, 4x1016, and 8x1016 ion/cm2 . Moreover, the conductivity energy density is improved from 1.6x10-5 for unirradiated to 2.1x10-5 , 4.8x10-5 , and 1.5x10-4 for irradiated films. The results confirmed an improving in electric properties and energy density of the irradiated PANI/Cu nanocomposite films, which can using these films in wide range of application such as super-capacitor and microelectronic devices.

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氢辐照Cu/PANI聚合物复合材料的制备、表面表征及介电性能研究

本研究采用离子溅射技术制备了聚苯胺/铜纳米复合膜。然后用低能氢离子(1 × 1016、4 × 1016和8 × 1016离子/cm2)辐照PANI/Cu纳米复合膜。用XRD衍射仪研究了晶体结构的变化。在室温下，在100 ~ 5MHz的频率范围内获得了空白膜和辐照膜的介电性能和能量密度。测量结果表明，这些参数在氢离子辐照后发生了显著变化。在1 × 1016、4 × 1016和8 × 1016离子/cm2下，PANI/Cu的介电常数从1.5提高到6、10和23。此外，电导率能密度从未辐照时的1.6x10-5提高到辐照后的2.1x10-5、4.8x10-5和1.5x10-4。结果表明，辐照后的聚苯胺/铜纳米复合膜的电学性能和能量密度都得到了改善，可以广泛应用于超级电容器和微电子器件等领域。

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