Tailoring the structural and dielectric properties of low energy ion beam irradiated polymer/silver nanocomposite films

IF 2.7 4区材料科学 Q3 CHEMISTRY, PHYSICAL Surface Innovations Pub Date : 2022-02-28 DOI:10.1680/jsuin.22.00010

N. Althubiti, A. Atta, B. M. Alotaibi, M. M. Abdelhamied

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引用次数: 6

Abstract

In this work, flexible nanocomposite films, which are comprised of silver nanoparticles (AgNPs), polyaniline (PANI), and methylcellulose (MC), were manufactured using casting solution fabrication technique. The manufactured films were characterized using X-ray diffraction (XRD) and Fourier transformation infrared (FTIR), which supported the preparation of the composite samples. The MC/PANI/Ag films were then irradiated with oxygen-ion beams at a range of fluence (8x1017, 16x1017, and 24x1017 ions.cm−2). The electrical conductivity, complex impedance behavior, electric modulus, and energy density of pure and irradiated films are determined throughout frequency range of 100 Hz - 5 MHz. The oxygen-beam-irradiation of MC/PANI/Ag films caused a significant modification in dielectric parameters. Also, the dielectric constant ε′ improved from 0.68 to 3.17, and conductivity was modified from 1.47x10−6 S/cm to 25.9x10−6 S/cm. The present study’s findings pave the way for the use of irradiated MC/PANI/Ag nanocomposite films in a variety of applications, including microelectronic devices, batteries, and supercapacitors.

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低能离子束辐照聚合物/银纳米复合薄膜的结构和介电性能

本工作采用流延溶液制备技术制备了由银纳米粒子（AgNPs）、聚苯胺（PANI）和甲基纤维素（MC）组成的柔性纳米复合薄膜。利用X射线衍射（XRD）和傅立叶变换红外光谱（FTIR）对制备的薄膜进行了表征，支持了复合材料样品的制备。然后用注量范围（8x1017、16x1017和24x1017）的氧离子束照射MC/PANI/Ag膜离子.cm−2）。纯膜和辐照膜的电导率、复阻抗行为、电模量和能量密度在100Hz-5MHz的整个频率范围内测定。氧束辐照MC/PANI/Ag薄膜使介电参数发生了显著变化。此外，介电常数ε′从0.68提高到3.17，电导率从1.47x10−6 S/cm至25.9x10−6 S/cm。本研究的发现为辐照的MC/PANI/Ag纳米复合膜在各种应用中的应用铺平了道路，包括微电子器件、电池和超级电容器。

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来源期刊

Surface Innovations CHEMISTRY, PHYSICALMATERIALS SCIENCE, COAT-MATERIALS SCIENCE, COATINGS & FILMS

CiteScore

5.80

自引率

22.90%

发文量

期刊介绍： The material innovations on surfaces, combined with understanding and manipulation of physics and chemistry of functional surfaces and coatings, have exploded in the past decade at an incredibly rapid pace. Superhydrophobicity, superhydrophlicity, self-cleaning, self-healing, anti-fouling, anti-bacterial, etc., have become important fundamental topics of surface science research community driven by curiosity of physics, chemistry, and biology of interaction phenomenon at surfaces and their enormous potential in practical applications. Materials having controlled-functionality surfaces and coatings are important to the manufacturing of new products for environmental control, liquid manipulation, nanotechnological advances, biomedical engineering, pharmacy, biotechnology, and many others, and are part of the most promising technological innovations of the twenty-first century.